Sign only GHCR artifacts with Notation

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: stefanprodan

.github/workflows/cve-scan.yml

@@ -3,7 +3,7 @@ name: cve-scan
 on:
   push:
     branches:
-      - 'master'
+      - "master"
 
 permissions:
   contents: read
@@ -19,7 +19,7 @@ jobs:
         run: |
           IMAGE=test/podinfo:${GITHUB_SHA}
           docker build -t ${IMAGE} .
-          echo "::set-output name=image::$IMAGE"
+          echo "image=$IMAGE" >> $GITHUB_OUTPUT
       - name: Run Trivy vulnerability scanner
         uses: aquasecurity/trivy-action@master
         with:

.github/workflows/release.yml

@@ -20,6 +20,18 @@ jobs:
       - uses: sigstore/cosign-installer@v3
       - uses: fluxcd/flux2/action@main
       - uses: stefanprodan/timoni/actions/setup@main
+      - name: Setup Notation CLI
+        uses: notaryproject/notation-action/setup@v1
+        with:
+          version: "1.1.0"
+      - name: Setup Notation signing keys
+        run: |
+          mkdir -p ~/.config/notation/localkeys/
+          cp ./.notation/signingkeys.json ~/.config/notation/
+          cp ./.notation/notation.crt ~/.config/notation/localkeys/
+          echo "$NOTATION_KEY" > ~/.config/notation/localkeys/notation.key
+        env:
+          NOTATION_KEY: ${{ secrets.NOTATION_SIGNING_KEY }}
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
@@ -101,7 +113,7 @@ jobs:
             --source="${{ github.event.repository.html_url }}" \
             --revision="${GITHUB_REF_NAME}/${GITHUB_SHA}"
           flux tag artifact oci://ghcr.io/stefanprodan/manifests/podinfo:${{ steps.prep.outputs.VERSION }} --tag latest
-      - name: Sign OCI artifacts
+      - name: Sign artifacts with Cosign
         env:
           COSIGN_EXPERIMENTAL: 1
         run: |
@@ -129,7 +141,7 @@ jobs:
             --source="${{ github.event.repository.html_url }}" \
             --revision="${GITHUB_REF_NAME}/${GITHUB_SHA}"
           flux tag artifact oci://ghcr.io/stefanprodan/podinfo-deploy:${{ steps.prep.outputs.VERSION }} --tag latest
-      - name: Sign config artifact
+      - name: Sign config artifact with cso
         run: |
           echo "$COSIGN_KEY" > /tmp/cosign.key
           cosign sign -key /tmp/cosign.key ghcr.io/stefanprodan/podinfo-deploy:${{ steps.prep.outputs.VERSION }} --yes
@@ -137,6 +149,13 @@ jobs:
         env:
           COSIGN_PASSWORD: ${{secrets.COSIGN_PASSWORD}}
           COSIGN_KEY: ${{secrets.COSIGN_KEY}}
+      - name: Sign artifacts with Notation
+        run: |
+          notation sign --signature-format cose ghcr.io/stefanprodan/podinfo:${{ steps.prep.outputs.VERSION }}
+          notation sign --signature-format cose ghcr.io/stefanprodan/charts/podinfo:${{ steps.prep.outputs.VERSION }}
+          notation sign --signature-format cose ghcr.io/stefanprodan/manifests/podinfo:${{ steps.prep.outputs.VERSION }}
+          notation sign --signature-format cose ghcr.io/stefanprodan/podinfo-deploy:${{ steps.prep.outputs.VERSION }}
+          notation sign --signature-format cose ghcr.io/stefanprodan/podinfo-deploy:latest
       - uses: ./.github/actions/release-notes
       - name: Generate release notes
         run: |

.gitignore

@@ -23,3 +23,6 @@ bin/
 cue/cue.mod/gen/
 cue/go.mod
 cue/go.sum
+
+.notation/podinfo.csr
+.notation/podinfo.key

.notation/README.md

@@ -0,0 +1,15 @@
+# Podinfo signed releases
+
+Podinfo release assets such as the Helm chart and the Flux artifact
+are published to GitHub Container Registry and are signed with
+[Notation](https://github.com/notaryproject/notation).
+
+## Generate signing keys
+
+Generate a new signing key pair:
+
+```sh
+openssl genrsa -out podinfo.key 2048
+openssl req -new -key podinfo.key -out podinfo.csr -config codesign.cnf
+openssl x509 -req -days 1826 -in podinfo.csr -signkey podinfo.key -out notation.crt -extensions v3_req -extfile codesign.cnf
+```

.notation/codesign.cnf

@@ -0,0 +1,18 @@
+[ req ]
+default_bits           = 2048
+default_keyfile        = privatekey.pem
+distinguished_name     = req_distinguished_name
+req_extensions         = v3_req
+prompt                 = no
+
+[ req_distinguished_name ]
+C                      = RO
+ST                     = BU
+L                      = Bucharest
+O                      = Notary
+CN                     = stefanprodan.com
+
+[ v3_req ]
+keyUsage               = critical,digitalSignature
+extendedKeyUsage       = critical,codeSigning
+#subjectKeyIdentifier  = hash

.notation/notation.crt

@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----
+MIIDbDCCAlSgAwIBAgIUP7zhmTw5XTWLcgBGkBEsErMOkz4wDQYJKoZIhvcNAQEL
+BQAwWjELMAkGA1UEBhMCUk8xCzAJBgNVBAgMAkJVMRIwEAYDVQQHDAlCdWNoYXJl
+c3QxDzANBgNVBAoMBk5vdGFyeTEZMBcGA1UEAwwQc3RlZmFucHJvZGFuLmNvbTAe
+Fw0yNDAyMjUxMDAyMzZaFw0yOTAyMjQxMDAyMzZaMFoxCzAJBgNVBAYTAlJPMQsw
+CQYDVQQIDAJCVTESMBAGA1UEBwwJQnVjaGFyZXN0MQ8wDQYDVQQKDAZOb3Rhcnkx
+GTAXBgNVBAMMEHN0ZWZhbnByb2Rhbi5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IB
+DwAwggEKAoIBAQDtH4oPi3SyX/DGv6NdjIvmApvD9eeSgsmHdwpAly8T9D2me+fx
+Z+wRNJmq4aq/A1anX+Sg28iwHzV+1WKpsHnjYzDAJSEYP2S8A5H1nGRKUoibdijw
+C3QBh5C75rjF/tmZVSX/Vgbf3HJJEsF4WUxWabLxoV2QLo7UlEsQd9+bSeKNMncx
+1+E6FdbRCrYo90iobvZJ8K/S2zCWq/JTeHfTnmSEDhx6nMJcaSjvMPn3zyauWcQw
+dDpkcaGiJ64fEJRT2OFxXv9u+vDmIMKzo/Wjbd+IzFj6YY4VisK88aU7tmDelnk5
+gQB9eu62PFoaVsYJp4VOhblFKvGJpQwbWB9BAgMBAAGjKjAoMA4GA1UdDwEB/wQE
+AwIHgDAWBgNVHSUBAf8EDDAKBggrBgEFBQcDAzANBgkqhkiG9w0BAQsFAAOCAQEA
+6x+C6hAIbLwMvkNx4K5p7Qe/pLQR0VwQFAw10yr/5KSN+YKFpon6pQ0TebL7qll+
+uBGZvtQhN6v+DlnVqB7lvJKd+89isgirkkews5KwuXg7Gv5UPIugH0dXISZU8DMJ
+7J4oKREv5HzdFmfsUfNlQcfyVTjKL6UINXfKGdqNNxXxR9b4a1TY2JcmEhzBTHaq
+ZqX6HK784a0dB7aHgeFrFwPCCP4M684Hs7CFbk3jo2Ef4ljnB5AyWpe8pwCLMdRt
+UjSjL5xJWVQvRU+STQsPr6SvpokPCG4rLQyjgeYYk4CCj5piSxbSUZFavq8v1y7Y
+m91USVqfeUX7ZzjDxPHE2A==
+-----END CERTIFICATE-----

.notation/signingkeys.json

@@ -0,0 +1,10 @@
+{
+    "default": "stefanprodan.com",
+    "keys": [
+        {
+            "name": "stefanprodan.com",
+            "keyPath": "/home/runner/.config/notation/localkeys/notation.key",
+            "certPath": "/home/runner/.config/notation/localkeys/notation.crt"
+        }
+    ]
+}

.notation/trustpolicy.json

@@ -0,0 +1,19 @@
+{
+    "version": "1.0",
+    "trustPolicies": [
+        {
+            "name": "stefanprodan.com",
+            "registryScopes": [
+                "ghcr.io/stefanprodan/podinfo-deploy",
+                "ghcr.io/stefanprodan/charts/podinfo"
+            ],
+            "signatureVerification": {
+                "level" : "strict"
+            },
+            "trustStores": [ "ca:stefanprodan.com" ],
+            "trustedIdentities": [
+                "x509.subject: C=RO, ST=BU, L=Bucharest, O=Notary, CN=stefanprodan.com"
+            ]
+        }
+    ]
+}

README.md

@@ -57,6 +57,8 @@ Web API:
 gRPC API:
 
 * `/grpc.health.v1.Health/Check` health checking
+* `/grpc.EchoService/Echo` echos the received content
+* `/grpc.VersionService/Version` returns podinfo version and Git commit hash
 
 Web UI:
 

charts/podinfo/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
-version: 6.5.4
-appVersion: 6.5.4
+version: 6.6.0
+appVersion: 6.6.0
 name: podinfo
 engine: gotpl
 description: Podinfo Helm chart for Kubernetes

charts/podinfo/values-prod.yaml

@@ -8,7 +8,7 @@ backends: []
 
 image:
   repository: ghcr.io/stefanprodan/podinfo
-  tag: 6.5.4
+  tag: 6.6.0
   pullPolicy: IfNotPresent
 
 ui:

charts/podinfo/values.yaml

@@ -8,7 +8,7 @@ backends: []
 
 image:
   repository: ghcr.io/stefanprodan/podinfo
-  tag: 6.5.4
+  tag: 6.6.0
   pullPolicy: IfNotPresent
 
 ui:

cmd/podinfo/main.go

@@ -13,8 +13,8 @@ import (
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 
-	"github.com/stefanprodan/podinfo/pkg/api"
-	"github.com/stefanprodan/podinfo/pkg/grpc"
+	"github.com/stefanprodan/podinfo/pkg/api/grpc"
+	"github.com/stefanprodan/podinfo/pkg/api/http"
 	"github.com/stefanprodan/podinfo/pkg/signals"
 	"github.com/stefanprodan/podinfo/pkg/version"
 	go_grpc "google.golang.org/grpc"
@@ -138,11 +138,13 @@ func main() {
 	var grpcServer *go_grpc.Server
 	if grpcCfg.Port > 0 {
 		grpcSrv, _ := grpc.NewServer(&grpcCfg, logger)
+		//grpcinfoSrv, _ := grpc.NewInfoServer(&grpcCfg)
+		
 		grpcServer = grpcSrv.ListenAndServe()
 	}
 
 	// load HTTP server config
-	var srvCfg api.Config
+	var srvCfg http.Config
 	if err := viper.Unmarshal(&srvCfg); err != nil {
 		logger.Panic("config unmarshal failed", zap.Error(err))
 	}
@@ -155,7 +157,7 @@ func main() {
 	)
 
 	// start HTTP server
-	srv, _ := api.NewServer(&srvCfg, logger)
+	srv, _ := http.NewServer(&srvCfg, logger)
 	httpServer, httpsServer, healthy, ready := srv.ListenAndServe()
 
 	// graceful shutdown

deploy/bases/backend/deployment.yaml

@@ -23,7 +23,7 @@ spec:
     spec:
       containers:
       - name: backend
-        image: ghcr.io/stefanprodan/podinfo:6.5.4
+        image: ghcr.io/stefanprodan/podinfo:6.6.0
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

deploy/bases/frontend/deployment.yaml

@@ -23,7 +23,7 @@ spec:
     spec:
       containers:
       - name: frontend
-        image: ghcr.io/stefanprodan/podinfo:6.5.4
+        image: ghcr.io/stefanprodan/podinfo:6.6.0
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

deploy/webapp/backend/deployment.yaml

@@ -25,7 +25,7 @@ spec:
       serviceAccountName: webapp
       containers:
       - name: backend
-        image: ghcr.io/stefanprodan/podinfo:6.5.4
+        image: ghcr.io/stefanprodan/podinfo:6.6.0
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

deploy/webapp/frontend/deployment.yaml

@@ -25,7 +25,7 @@ spec:
       serviceAccountName: webapp
       containers:
       - name: frontend
-        image: ghcr.io/stefanprodan/podinfo:6.5.4
+        image: ghcr.io/stefanprodan/podinfo:6.6.0
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

kustomize/deployment.yaml

@@ -23,7 +23,7 @@ spec:
     spec:
       containers:
       - name: podinfod
-        image: ghcr.io/stefanprodan/podinfo:6.5.4
+        image: ghcr.io/stefanprodan/podinfo:6.6.0
         imagePullPolicy: IfNotPresent
         ports:
         - name: http
@@ -72,3 +72,9 @@ spec:
           requests:
             cpu: 100m
             memory: 64Mi
+        volumeMounts:
+          - name: data
+            mountPath: /data
+      volumes:
+        - name: data
+          emptyDir: {}

pkg/api/grpc/echo.go

@@ -0,0 +1,20 @@
+package grpc
+
+import (
+	"context"
+
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/echo"
+	"go.uber.org/zap"
+)
+
+type echoServer struct {
+	echo.UnimplementedEchoServiceServer
+	config *Config
+	logger *zap.Logger
+}
+
+func (s *echoServer) Echo (ctx context.Context, message *echo.Message) (*echo.Message, error){
+
+	s.logger.Info("Received message body from client:", zap.String("input body", message.Body))
+	return &echo.Message {Body: message.Body}, nil
+}

pkg/api/grpc/echo/echo.pb.go

@@ -0,0 +1,146 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v4.24.3
+// source: echo/echo.proto
+
+package echo
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type Message struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Body string `protobuf:"bytes,1,opt,name=body,proto3" json:"body,omitempty"`
+}
+
+func (x *Message) Reset() {
+	*x = Message{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_echo_echo_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Message) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Message) ProtoMessage() {}
+
+func (x *Message) ProtoReflect() protoreflect.Message {
+	mi := &file_echo_echo_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Message.ProtoReflect.Descriptor instead.
+func (*Message) Descriptor() ([]byte, []int) {
+	return file_echo_echo_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Message) GetBody() string {
+	if x != nil {
+		return x.Body
+	}
+	return ""
+}
+
+var File_echo_echo_proto protoreflect.FileDescriptor
+
+var file_echo_echo_proto_rawDesc = []byte{
+	0x0a, 0x0f, 0x65, 0x63, 0x68, 0x6f, 0x2f, 0x65, 0x63, 0x68, 0x6f, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x12, 0x04, 0x65, 0x63, 0x68, 0x6f, 0x22, 0x1d, 0x0a, 0x07, 0x4d, 0x65, 0x73, 0x73, 0x61,
+	0x67, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x62, 0x6f, 0x64, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x04, 0x62, 0x6f, 0x64, 0x79, 0x32, 0x35, 0x0a, 0x0b, 0x45, 0x63, 0x68, 0x6f, 0x53, 0x65,
+	0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x26, 0x0a, 0x04, 0x45, 0x63, 0x68, 0x6f, 0x12, 0x0d, 0x2e,
+	0x65, 0x63, 0x68, 0x6f, 0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x1a, 0x0d, 0x2e, 0x65,
+	0x63, 0x68, 0x6f, 0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22, 0x00, 0x42, 0x08, 0x5a,
+	0x06, 0x2e, 0x2f, 0x65, 0x63, 0x68, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_echo_echo_proto_rawDescOnce sync.Once
+	file_echo_echo_proto_rawDescData = file_echo_echo_proto_rawDesc
+)
+
+func file_echo_echo_proto_rawDescGZIP() []byte {
+	file_echo_echo_proto_rawDescOnce.Do(func() {
+		file_echo_echo_proto_rawDescData = protoimpl.X.CompressGZIP(file_echo_echo_proto_rawDescData)
+	})
+	return file_echo_echo_proto_rawDescData
+}
+
+var file_echo_echo_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_echo_echo_proto_goTypes = []interface{}{
+	(*Message)(nil), // 0: echo.Message
+}
+var file_echo_echo_proto_depIdxs = []int32{
+	0, // 0: echo.EchoService.Echo:input_type -> echo.Message
+	0, // 1: echo.EchoService.Echo:output_type -> echo.Message
+	1, // [1:2] is the sub-list for method output_type
+	0, // [0:1] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_echo_echo_proto_init() }
+func file_echo_echo_proto_init() {
+	if File_echo_echo_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_echo_echo_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Message); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_echo_echo_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_echo_echo_proto_goTypes,
+		DependencyIndexes: file_echo_echo_proto_depIdxs,
+		MessageInfos:      file_echo_echo_proto_msgTypes,
+	}.Build()
+	File_echo_echo_proto = out.File
+	file_echo_echo_proto_rawDesc = nil
+	file_echo_echo_proto_goTypes = nil
+	file_echo_echo_proto_depIdxs = nil
+}

pkg/api/grpc/echo/echo.proto

@@ -0,0 +1,14 @@
+syntax = "proto3";
+
+option go_package = "./echo";
+
+package echo;
+
+message Message {
+    string body = 1;
+}
+
+
+service EchoService {
+    rpc Echo(Message) returns (Message) {}
+}

pkg/api/grpc/echo/echo_grpc.pb.go

@@ -0,0 +1,109 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.3.0
+// - protoc             v4.24.3
+// source: echo/echo.proto
+
+package echo
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+const (
+	EchoService_Echo_FullMethodName = "/echo.EchoService/Echo"
+)
+
+// EchoServiceClient is the client API for EchoService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type EchoServiceClient interface {
+	Echo(ctx context.Context, in *Message, opts ...grpc.CallOption) (*Message, error)
+}
+
+type echoServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewEchoServiceClient(cc grpc.ClientConnInterface) EchoServiceClient {
+	return &echoServiceClient{cc}
+}
+
+func (c *echoServiceClient) Echo(ctx context.Context, in *Message, opts ...grpc.CallOption) (*Message, error) {
+	out := new(Message)
+	err := c.cc.Invoke(ctx, EchoService_Echo_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// EchoServiceServer is the server API for EchoService service.
+// All implementations must embed UnimplementedEchoServiceServer
+// for forward compatibility
+type EchoServiceServer interface {
+	Echo(context.Context, *Message) (*Message, error)
+	mustEmbedUnimplementedEchoServiceServer()
+}
+
+// UnimplementedEchoServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedEchoServiceServer struct {
+}
+
+func (UnimplementedEchoServiceServer) Echo(context.Context, *Message) (*Message, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Echo not implemented")
+}
+func (UnimplementedEchoServiceServer) mustEmbedUnimplementedEchoServiceServer() {}
+
+// UnsafeEchoServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to EchoServiceServer will
+// result in compilation errors.
+type UnsafeEchoServiceServer interface {
+	mustEmbedUnimplementedEchoServiceServer()
+}
+
+func RegisterEchoServiceServer(s grpc.ServiceRegistrar, srv EchoServiceServer) {
+	s.RegisterService(&EchoService_ServiceDesc, srv)
+}
+
+func _EchoService_Echo_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Message)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(EchoServiceServer).Echo(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: EchoService_Echo_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(EchoServiceServer).Echo(ctx, req.(*Message))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// EchoService_ServiceDesc is the grpc.ServiceDesc for EchoService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var EchoService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "echo.EchoService",
+	HandlerType: (*EchoServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Echo",
+			Handler:    _EchoService_Echo_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "echo/echo.proto",
+}

pkg/api/grpc/echo_test.go

@@ -0,0 +1,70 @@
+package grpc
+
+import (
+	"context"
+	"log"
+	"net"
+	"regexp"
+	"testing"
+
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/echo"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/status"
+	"google.golang.org/grpc/test/bufconn"
+)
+
+func TestGrpcEcho(t *testing.T) {
+
+	// Server initialization
+	// bufconn => uses in-memory connection instead of system network I/O
+	lis := bufconn.Listen(1024*1024)
+	t.Cleanup(func() {
+		lis.Close()
+	})
+
+	s := NewMockGrpcServer()
+	srv := grpc.NewServer()
+	t.Cleanup(func() {
+		srv.Stop()
+	})
+
+	echo.RegisterEchoServiceServer(srv, &echoServer{config: s.config, logger: s.logger})
+
+	go func(){
+		if err := srv.Serve(lis); err != nil {
+			log.Fatalf("srv.Serve %v", err)
+		}
+	}()
+
+	// - Test
+	dialer := func(context.Context, string) (net.Conn, error){
+		return lis.Dial()
+	}
+
+	ctx := context.Background()
+	
+	conn, err := grpc.DialContext(ctx, "", grpc.WithContextDialer(dialer), grpc.WithInsecure())
+	t.Cleanup(func() {
+		conn.Close()
+	})
+
+	if err != nil {
+		t.Fatalf("grpc.DialContext %v", err)
+	}
+
+	client := echo.NewEchoServiceClient(conn)
+	res , err := client.Echo(context.Background(), &echo.Message{Body:"test123-test"})
+
+	// Check the status code is what we expect.
+	if _, ok := status.FromError(err); !ok {
+		t.Errorf("Echo returned type %T, want %T", err, status.Error)
+	}
+
+	// Check the response body is what we expect.
+	expected := ".*body.*test123-test.*"
+	r := regexp.MustCompile(expected)
+	if !r.MatchString(res.String()) {
+		t.Fatalf("Returned unexpected body:\ngot \n%v \nwant \n%s",
+			res, expected)
+	}
+}

pkg/api/grpc/mock_grpc.go

@@ -0,0 +1,31 @@
+package grpc
+
+import (
+	"go.uber.org/zap"
+)
+
+
+func NewMockGrpcServer() *Server {
+	config := &Config{
+		Port:                  9999,
+		// ServerShutdownTimeout: 5 * time.Second,
+		// HttpServerTimeout:     30 * time.Second,
+		BackendURL:            []string{},
+		ConfigPath:            "/config",
+		DataPath:              "/data",
+		// HttpClientTimeout:     30 * time.Second,
+		UIColor:               "blue",
+		UIPath:                ".ui",
+		UIMessage:             "Greetings",
+		Hostname:              "localhost",
+	}
+
+	logger, _ := zap.NewDevelopment()
+
+	return &Server{
+		//router: mux.NewRouter(),
+		logger: logger,
+		config: config,
+		//tracer: trace.NewNoopTracerProvider().Tracer("mock"),
+	}
+}

pkg/api/grpc/panic.go

@@ -0,0 +1,24 @@
+package grpc
+
+import (
+	"context"
+	// "log"
+	"os"
+
+	pb "github.com/stefanprodan/podinfo/pkg/api/grpc/panic"
+	"go.uber.org/zap"
+)
+
+type PanicServer struct {
+	pb.UnimplementedPanicServiceServer
+	config *Config
+	logger *zap.Logger
+
+}
+
+func (s *PanicServer) Panic(ctx context.Context, req *pb.PanicRequest) (*pb.PanicResponse, error) {
+	s.logger.Info("Panic command received")
+	os.Exit(225)
+	return &pb.PanicResponse{}, nil
+}
+

pkg/api/grpc/panic/panic.pb.go

@@ -0,0 +1,189 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.6.1
+// source: panic.proto
+
+package panic
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type PanicRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *PanicRequest) Reset() {
+	*x = PanicRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_panic_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PanicRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PanicRequest) ProtoMessage() {}
+
+func (x *PanicRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_panic_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PanicRequest.ProtoReflect.Descriptor instead.
+func (*PanicRequest) Descriptor() ([]byte, []int) {
+	return file_panic_proto_rawDescGZIP(), []int{0}
+}
+
+type PanicResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *PanicResponse) Reset() {
+	*x = PanicResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_panic_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PanicResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PanicResponse) ProtoMessage() {}
+
+func (x *PanicResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_panic_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PanicResponse.ProtoReflect.Descriptor instead.
+func (*PanicResponse) Descriptor() ([]byte, []int) {
+	return file_panic_proto_rawDescGZIP(), []int{1}
+}
+
+var File_panic_proto protoreflect.FileDescriptor
+
+var file_panic_proto_rawDesc = []byte{
+	0x0a, 0x0b, 0x70, 0x61, 0x6e, 0x69, 0x63, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x05, 0x70,
+	0x61, 0x6e, 0x69, 0x63, 0x22, 0x0e, 0x0a, 0x0c, 0x50, 0x61, 0x6e, 0x69, 0x63, 0x52, 0x65, 0x71,
+	0x75, 0x65, 0x73, 0x74, 0x22, 0x0f, 0x0a, 0x0d, 0x50, 0x61, 0x6e, 0x69, 0x63, 0x52, 0x65, 0x73,
+	0x70, 0x6f, 0x6e, 0x73, 0x65, 0x32, 0x44, 0x0a, 0x0c, 0x50, 0x61, 0x6e, 0x69, 0x63, 0x53, 0x65,
+	0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x34, 0x0a, 0x05, 0x50, 0x61, 0x6e, 0x69, 0x63, 0x12, 0x13,
+	0x2e, 0x70, 0x61, 0x6e, 0x69, 0x63, 0x2e, 0x50, 0x61, 0x6e, 0x69, 0x63, 0x52, 0x65, 0x71, 0x75,
+	0x65, 0x73, 0x74, 0x1a, 0x14, 0x2e, 0x70, 0x61, 0x6e, 0x69, 0x63, 0x2e, 0x50, 0x61, 0x6e, 0x69,
+	0x63, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x09, 0x5a, 0x07, 0x2e,
+	0x2f, 0x70, 0x61, 0x6e, 0x69, 0x63, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_panic_proto_rawDescOnce sync.Once
+	file_panic_proto_rawDescData = file_panic_proto_rawDesc
+)
+
+func file_panic_proto_rawDescGZIP() []byte {
+	file_panic_proto_rawDescOnce.Do(func() {
+		file_panic_proto_rawDescData = protoimpl.X.CompressGZIP(file_panic_proto_rawDescData)
+	})
+	return file_panic_proto_rawDescData
+}
+
+var file_panic_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_panic_proto_goTypes = []interface{}{
+	(*PanicRequest)(nil),  // 0: panic.PanicRequest
+	(*PanicResponse)(nil), // 1: panic.PanicResponse
+}
+var file_panic_proto_depIdxs = []int32{
+	0, // 0: panic.PanicService.Panic:input_type -> panic.PanicRequest
+	1, // 1: panic.PanicService.Panic:output_type -> panic.PanicResponse
+	1, // [1:2] is the sub-list for method output_type
+	0, // [0:1] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_panic_proto_init() }
+func file_panic_proto_init() {
+	if File_panic_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_panic_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PanicRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_panic_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PanicResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_panic_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_panic_proto_goTypes,
+		DependencyIndexes: file_panic_proto_depIdxs,
+		MessageInfos:      file_panic_proto_msgTypes,
+	}.Build()
+	File_panic_proto = out.File
+	file_panic_proto_rawDesc = nil
+	file_panic_proto_goTypes = nil
+	file_panic_proto_depIdxs = nil
+}

pkg/api/grpc/panic/panic.proto

@@ -0,0 +1,17 @@
+syntax = "proto3";
+
+option go_package = "./panic";
+
+package panic;
+
+// The greeting service definition.
+service PanicService {
+    rpc Panic (PanicRequest) returns (PanicResponse) {}
+}
+
+message PanicRequest {
+}
+
+message PanicResponse {
+}
+

pkg/api/grpc/panic/panic_grpc.pb.go

@@ -0,0 +1,105 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.6.1
+// source: panic.proto
+
+package panic
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// PanicServiceClient is the client API for PanicService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type PanicServiceClient interface {
+	Panic(ctx context.Context, in *PanicRequest, opts ...grpc.CallOption) (*PanicResponse, error)
+}
+
+type panicServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewPanicServiceClient(cc grpc.ClientConnInterface) PanicServiceClient {
+	return &panicServiceClient{cc}
+}
+
+func (c *panicServiceClient) Panic(ctx context.Context, in *PanicRequest, opts ...grpc.CallOption) (*PanicResponse, error) {
+	out := new(PanicResponse)
+	err := c.cc.Invoke(ctx, "/panic.PanicService/Panic", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// PanicServiceServer is the server API for PanicService service.
+// All implementations must embed UnimplementedPanicServiceServer
+// for forward compatibility
+type PanicServiceServer interface {
+	Panic(context.Context, *PanicRequest) (*PanicResponse, error)
+	mustEmbedUnimplementedPanicServiceServer()
+}
+
+// UnimplementedPanicServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedPanicServiceServer struct {
+}
+
+func (UnimplementedPanicServiceServer) Panic(context.Context, *PanicRequest) (*PanicResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Panic not implemented")
+}
+func (UnimplementedPanicServiceServer) mustEmbedUnimplementedPanicServiceServer() {}
+
+// UnsafePanicServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to PanicServiceServer will
+// result in compilation errors.
+type UnsafePanicServiceServer interface {
+	mustEmbedUnimplementedPanicServiceServer()
+}
+
+func RegisterPanicServiceServer(s grpc.ServiceRegistrar, srv PanicServiceServer) {
+	s.RegisterService(&PanicService_ServiceDesc, srv)
+}
+
+func _PanicService_Panic_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(PanicRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(PanicServiceServer).Panic(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/panic.PanicService/Panic",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(PanicServiceServer).Panic(ctx, req.(*PanicRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// PanicService_ServiceDesc is the grpc.ServiceDesc for PanicService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var PanicService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "panic.PanicService",
+	HandlerType: (*PanicServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Panic",
+			Handler:    _PanicService_Panic_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "panic.proto",
+}

pkg/api/grpc/server.go

@@ -0,0 +1,93 @@
+package grpc
+
+import (
+	"fmt"
+	"net"
+
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/echo"
+
+	"go.uber.org/zap"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/health"
+	"google.golang.org/grpc/health/grpc_health_v1"
+	"google.golang.org/grpc/reflection"
+
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/panic"
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/version"
+)
+
+
+type Server struct {
+	logger *zap.Logger
+	config *Config
+}
+
+type Config struct {
+	Port        int    `mapstructure:"grpc-port"`
+	ServiceName string `mapstructure:"grpc-service-name"`
+
+
+	BackendURL            []string      `mapstructure:"backend-url"`
+	UILogo                string        `mapstructure:"ui-logo"`
+	UIMessage             string        `mapstructure:"ui-message"`
+	UIColor               string        `mapstructure:"ui-color"`
+	UIPath                string        `mapstructure:"ui-path"`
+	DataPath              string        `mapstructure:"data-path"`
+	ConfigPath            string        `mapstructure:"config-path"`
+	CertPath              string        `mapstructure:"cert-path"`
+	Host                  string        `mapstructure:"host"`
+	//Port                  string        `mapstructure:"port"`
+	SecurePort            string        `mapstructure:"secure-port"`
+	PortMetrics           int           `mapstructure:"port-metrics"`
+	Hostname              string        `mapstructure:"hostname"`
+	H2C                   bool          `mapstructure:"h2c"`
+	RandomDelay           bool          `mapstructure:"random-delay"`
+	RandomDelayUnit       string        `mapstructure:"random-delay-unit"`
+	RandomDelayMin        int           `mapstructure:"random-delay-min"`
+	RandomDelayMax        int           `mapstructure:"random-delay-max"`
+	RandomError           bool          `mapstructure:"random-error"`
+	Unhealthy             bool          `mapstructure:"unhealthy"`
+	Unready               bool          `mapstructure:"unready"`
+	JWTSecret             string        `mapstructure:"jwt-secret"`
+	CacheServer           string        `mapstructure:"cache-server"`
+
+}
+
+func NewServer(config *Config, logger *zap.Logger) (*Server, error) {
+	srv := &Server{
+		logger: logger,
+		config: config,
+	}
+
+	return srv, nil
+}
+
+
+func (s *Server) ListenAndServe() *grpc.Server {
+	listener, err := net.Listen("tcp", fmt.Sprintf(":%v", s.config.Port))
+	if err != nil {
+		s.logger.Fatal("failed to listen", zap.Int("port", s.config.Port))
+	}
+
+	srv := grpc.NewServer()
+	server := health.NewServer()
+
+	
+	// Register grpc apis for refection
+	echo.RegisterEchoServiceServer(srv, &echoServer{config: s.config, logger: s.logger})
+
+	version.RegisterVersionServiceServer(srv, &VersionServer{config: s.config, logger: s.logger})
+	panic.RegisterPanicServiceServer(srv, &PanicServer{config: s.config, logger: s.logger})
+
+	reflection.Register(srv)
+	grpc_health_v1.RegisterHealthServer(srv, server)
+	server.SetServingStatus(s.config.ServiceName, grpc_health_v1.HealthCheckResponse_SERVING)
+
+	go func() {
+		if err := srv.Serve(listener); err != nil {
+			s.logger.Fatal("failed to serve", zap.Error(err))
+		}
+	}()
+
+	return srv
+}

pkg/api/grpc/version.go

@@ -0,0 +1,21 @@
+package grpc
+
+import (
+	"context"
+
+	pb "github.com/stefanprodan/podinfo/pkg/api/grpc/version"
+	"github.com/stefanprodan/podinfo/pkg/version"
+	"go.uber.org/zap"
+)
+
+type VersionServer struct {
+	pb.UnimplementedVersionServiceServer
+	config *Config
+	logger *zap.Logger
+	
+}
+
+func (s *VersionServer) Version(ctx context.Context, req *pb.VersionRequest) (*pb.VersionResponse, error) {
+	return &pb.VersionResponse{Version: version.VERSION, Commit: version.REVISION}, nil
+}
+

pkg/api/grpc/version/version.pb.go

@@ -0,0 +1,211 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.6.1
+// source: version.proto
+
+package version
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type VersionRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *VersionRequest) Reset() {
+	*x = VersionRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_version_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *VersionRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*VersionRequest) ProtoMessage() {}
+
+func (x *VersionRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_version_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use VersionRequest.ProtoReflect.Descriptor instead.
+func (*VersionRequest) Descriptor() ([]byte, []int) {
+	return file_version_proto_rawDescGZIP(), []int{0}
+}
+
+type VersionResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Version string `protobuf:"bytes,1,opt,name=version,proto3" json:"version,omitempty"`
+	Commit  string `protobuf:"bytes,2,opt,name=commit,proto3" json:"commit,omitempty"`
+}
+
+func (x *VersionResponse) Reset() {
+	*x = VersionResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_version_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *VersionResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*VersionResponse) ProtoMessage() {}
+
+func (x *VersionResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_version_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use VersionResponse.ProtoReflect.Descriptor instead.
+func (*VersionResponse) Descriptor() ([]byte, []int) {
+	return file_version_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *VersionResponse) GetVersion() string {
+	if x != nil {
+		return x.Version
+	}
+	return ""
+}
+
+func (x *VersionResponse) GetCommit() string {
+	if x != nil {
+		return x.Commit
+	}
+	return ""
+}
+
+var File_version_proto protoreflect.FileDescriptor
+
+var file_version_proto_rawDesc = []byte{
+	0x0a, 0x0d, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
+	0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x22, 0x10, 0x0a, 0x0e, 0x56, 0x65, 0x72, 0x73,
+	0x69, 0x6f, 0x6e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x22, 0x43, 0x0a, 0x0f, 0x56, 0x65,
+	0x72, 0x73, 0x69, 0x6f, 0x6e, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x18, 0x0a,
+	0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07,
+	0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x16, 0x0a, 0x06, 0x63, 0x6f, 0x6d, 0x6d, 0x69,
+	0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x63, 0x6f, 0x6d, 0x6d, 0x69, 0x74, 0x32,
+	0x50, 0x0a, 0x0e, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63,
+	0x65, 0x12, 0x3e, 0x0a, 0x07, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x17, 0x2e, 0x76,
+	0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x2e, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x52, 0x65,
+	0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x18, 0x2e, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x2e,
+	0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22,
+	0x00, 0x42, 0x0b, 0x5a, 0x09, 0x2e, 0x2f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x62, 0x06,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_version_proto_rawDescOnce sync.Once
+	file_version_proto_rawDescData = file_version_proto_rawDesc
+)
+
+func file_version_proto_rawDescGZIP() []byte {
+	file_version_proto_rawDescOnce.Do(func() {
+		file_version_proto_rawDescData = protoimpl.X.CompressGZIP(file_version_proto_rawDescData)
+	})
+	return file_version_proto_rawDescData
+}
+
+var file_version_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_version_proto_goTypes = []interface{}{
+	(*VersionRequest)(nil),  // 0: version.VersionRequest
+	(*VersionResponse)(nil), // 1: version.VersionResponse
+}
+var file_version_proto_depIdxs = []int32{
+	0, // 0: version.VersionService.Version:input_type -> version.VersionRequest
+	1, // 1: version.VersionService.Version:output_type -> version.VersionResponse
+	1, // [1:2] is the sub-list for method output_type
+	0, // [0:1] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_version_proto_init() }
+func file_version_proto_init() {
+	if File_version_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_version_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*VersionRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_version_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*VersionResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_version_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_version_proto_goTypes,
+		DependencyIndexes: file_version_proto_depIdxs,
+		MessageInfos:      file_version_proto_msgTypes,
+	}.Build()
+	File_version_proto = out.File
+	file_version_proto_rawDesc = nil
+	file_version_proto_goTypes = nil
+	file_version_proto_depIdxs = nil
+}

pkg/api/grpc/version/version.proto

@@ -0,0 +1,18 @@
+syntax = "proto3";
+
+option go_package = "./version";
+
+package version;
+
+
+service VersionService {
+    rpc Version (VersionRequest) returns (VersionResponse) {}
+}
+
+
+message VersionRequest {}
+
+message VersionResponse {
+  string version = 1;
+  string commit = 2;
+}

pkg/api/grpc/version/version_grpc.pb.go

@@ -0,0 +1,105 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.6.1
+// source: version.proto
+
+package version
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// VersionServiceClient is the client API for VersionService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type VersionServiceClient interface {
+	Version(ctx context.Context, in *VersionRequest, opts ...grpc.CallOption) (*VersionResponse, error)
+}
+
+type versionServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewVersionServiceClient(cc grpc.ClientConnInterface) VersionServiceClient {
+	return &versionServiceClient{cc}
+}
+
+func (c *versionServiceClient) Version(ctx context.Context, in *VersionRequest, opts ...grpc.CallOption) (*VersionResponse, error) {
+	out := new(VersionResponse)
+	err := c.cc.Invoke(ctx, "/version.VersionService/Version", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// VersionServiceServer is the server API for VersionService service.
+// All implementations must embed UnimplementedVersionServiceServer
+// for forward compatibility
+type VersionServiceServer interface {
+	Version(context.Context, *VersionRequest) (*VersionResponse, error)
+	mustEmbedUnimplementedVersionServiceServer()
+}
+
+// UnimplementedVersionServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedVersionServiceServer struct {
+}
+
+func (UnimplementedVersionServiceServer) Version(context.Context, *VersionRequest) (*VersionResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Version not implemented")
+}
+func (UnimplementedVersionServiceServer) mustEmbedUnimplementedVersionServiceServer() {}
+
+// UnsafeVersionServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to VersionServiceServer will
+// result in compilation errors.
+type UnsafeVersionServiceServer interface {
+	mustEmbedUnimplementedVersionServiceServer()
+}
+
+func RegisterVersionServiceServer(s grpc.ServiceRegistrar, srv VersionServiceServer) {
+	s.RegisterService(&VersionService_ServiceDesc, srv)
+}
+
+func _VersionService_Version_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VersionRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VersionServiceServer).Version(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/version.VersionService/Version",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VersionServiceServer).Version(ctx, req.(*VersionRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// VersionService_ServiceDesc is the grpc.ServiceDesc for VersionService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var VersionService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "version.VersionService",
+	HandlerType: (*VersionServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Version",
+			Handler:    _VersionService_Version_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "version.proto",
+}

pkg/api/grpc/version_test.go

@@ -0,0 +1,72 @@
+package grpc
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"net"
+	"regexp"
+	"testing"
+
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/version"
+	v "github.com/stefanprodan/podinfo/pkg/version"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/status"
+	"google.golang.org/grpc/test/bufconn"
+)
+
+func TestGrpcVersion(t *testing.T) {
+
+	// Server initialization
+	// bufconn => uses in-memory connection instead of system network I/O
+	lis := bufconn.Listen(1024*1024)
+	t.Cleanup(func() {
+		lis.Close()
+	})
+
+
+	srv := grpc.NewServer()
+	t.Cleanup(func() {
+		srv.Stop()
+	})
+
+	version.RegisterVersionServiceServer(srv, &VersionServer{})
+
+	go func(){
+		if err := srv.Serve(lis); err != nil {
+			log.Fatalf("srv.Serve %v", err)
+		}
+	}()
+
+	// - Test
+	dialer := func(context.Context, string) (net.Conn, error){
+		return lis.Dial()
+	}
+
+	ctx := context.Background()
+	
+	conn, err := grpc.DialContext(ctx, "", grpc.WithContextDialer(dialer), grpc.WithInsecure())
+	t.Cleanup(func() {
+		conn.Close()
+	})
+
+	if err != nil {
+		t.Fatalf("grpc.DialContext %v", err)
+	}
+
+	client := version.NewVersionServiceClient(conn)
+	res , err := client.Version(context.Background(), &version.VersionRequest{})
+
+	// Check the status code is what we expect.
+	if _, ok := status.FromError(err); !ok {
+		t.Errorf("Version returned type %T, want %T", err, status.Error)
+	}
+
+	// Check the response body is what we expect.
+	expected := fmt.Sprintf(".*%s.*", v.VERSION)
+	r := regexp.MustCompile(expected)
+	if !r.MatchString(res.String()) {
+		t.Fatalf("Returned unexpected body:\ngot \n%v \nwant \n%s",
+			res, expected)
+	}
+}

pkg/api/http/cache.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"fmt"

pkg/api/http/chunked.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"math/rand"

pkg/api/http/chunked_test.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/configs.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import "net/http"
 

pkg/api/http/delay.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"math/rand"

pkg/api/http/delay_test.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/echo.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"bytes"

pkg/api/http/echo_test.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/echows.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/env.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/env_test.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/headers.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/headers_test.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"fmt"

pkg/api/http/health.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/health_test.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/http.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"bytes"

pkg/api/http/index.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"html/template"

pkg/api/http/info.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/info_test.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/logging.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/metrics.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"bufio"

pkg/api/http/mock.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"time"

pkg/api/http/panic.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/server.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"context"
@@ -14,7 +14,7 @@ import (
 	"github.com/gomodule/redigo/redis"
 	"github.com/gorilla/mux"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
-	_ "github.com/stefanprodan/podinfo/pkg/api/docs"
+	_ "github.com/stefanprodan/podinfo/pkg/api/http/docs"
 	"github.com/stefanprodan/podinfo/pkg/fscache"
 	httpSwagger "github.com/swaggo/http-swagger"
 	"github.com/swaggo/swag"

pkg/api/http/status.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/status_test.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/store.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"crypto/sha1"

pkg/api/http/token.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"fmt"

pkg/api/http/token_test.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"encoding/json"

pkg/api/http/tracer.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"context"

pkg/api/http/version.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"net/http"

pkg/api/http/version_test.go

@@ -1,4 +1,4 @@
-package api
+package http
 
 import (
 	"fmt"

pkg/grpc/server.go

@@ -1,52 +0,0 @@
-package grpc
-
-import (
-	"fmt"
-	"net"
-
-	"go.uber.org/zap"
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/health"
-	"google.golang.org/grpc/health/grpc_health_v1"
-	"google.golang.org/grpc/reflection"
-)
-
-type Server struct {
-	logger *zap.Logger
-	config *Config
-}
-
-type Config struct {
-	Port        int    `mapstructure:"grpc-port"`
-	ServiceName string `mapstructure:"grpc-service-name"`
-}
-
-func NewServer(config *Config, logger *zap.Logger) (*Server, error) {
-	srv := &Server{
-		logger: logger,
-		config: config,
-	}
-
-	return srv, nil
-}
-
-func (s *Server) ListenAndServe() *grpc.Server {
-	listener, err := net.Listen("tcp", fmt.Sprintf(":%v", s.config.Port))
-	if err != nil {
-		s.logger.Fatal("failed to listen", zap.Int("port", s.config.Port))
-	}
-
-	srv := grpc.NewServer()
-	server := health.NewServer()
-	reflection.Register(srv)
-	grpc_health_v1.RegisterHealthServer(srv, server)
-	server.SetServingStatus(s.config.ServiceName, grpc_health_v1.HealthCheckResponse_SERVING)
-
-	go func() {
-		if err := srv.Serve(listener); err != nil {
-			s.logger.Fatal("failed to serve", zap.Error(err))
-		}
-	}()
-
-	return srv
-}

pkg/version/version.go

@@ -1,4 +1,4 @@
 package version
 
-var VERSION = "6.5.4"
+var VERSION = "6.6.0"
 var REVISION = "unknown"

timoni/podinfo/values.cue

@@ -9,7 +9,7 @@ package main
 values: {
 	image: {
 		repository: "ghcr.io/stefanprodan/podinfo"
-		tag:        "6.5.4"
+		tag:        "6.6.0"
 		digest:     ""
 	}
 	test: image: {