Add golang tools GitHub Action

.github/golang/Dockerfile

@@ -0,0 +1,20 @@
+FROM golang:1.10
+
+LABEL "name"="golang tools action"
+LABEL "maintainer"="Stefan Prodan <support@gweave.works>"
+LABEL "version"="1.0.0"
+
+LABEL "com.github.actions.icon"="code"
+LABEL "com.github.actions.color"="gray-dark"
+LABEL "com.github.actions.name"="Go Tools"
+LABEL "com.github.actions.description"="This is an Action to run go and dep commands."
+
+ENV DEP_VERSION="v0.5.0"
+
+RUN curl -fL -o /usr/local/bin/dep https://github.com/golang/dep/releases/download/${DEP_VERSION}/dep-linux-amd64 \
+ && chmod +x /usr/local/bin/dep
+
+COPY entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
+

.github/golang/entrypoint.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+set -e
+
+APP_DIR="/go/src/github.com/${GITHUB_REPOSITORY}/"
+
+mkdir -p ${APP_DIR} && cp -r ./ ${APP_DIR} && cd ${APP_DIR}
+
+if [[ "$1" == "fmt" ]]; then
+    echo "Running gofmt"
+    files=$(gofmt -l $(find . -type f -name '*.go' -not -path "./vendor/*") 2>&1)
+    if [ "$files" ]; then
+      echo "These files did not pass the gofmt check:"
+      echo ${files}
+      exit 1
+    fi
+fi
+
+if [[ "$1" == "test" ]]; then
+    echo "Running go test"
+    go test $(go list ./... | grep -v /vendor/) -cover
+fi
+

.github/main.workflow

@@ -3,13 +3,25 @@ workflow "Publish container" {
   resolves = ["Docker tag and push"]
 }
 
-action "Test and build" {
+action "Lint" {
+  uses = "./.github/actions/golang"
+  args = "fmt"
+}
+
+action "Test" {
+  needs = ["Lint"]
+  uses = "./.github/actions/golang"
+  args = "test"
+}
+
+action "Build" {
+  needs = ["Test"]
   uses = "actions/docker/cli@master"
   args = "build -t app -f Dockerfile.ci ."
 }
 
 action "Docker login" {
-  needs = ["Test and build"]
+  needs = ["Build"]
   uses = "actions/docker/login@master"
   secrets = ["DOCKER_USERNAME", "DOCKER_PASSWORD"]
 }