Release automation (Make/TravisCI/CircleCI/Quay.io/Google Cloud Container Builder/Skaffold/Weave Flux)
Multi-platform Docker image (amd64/arm/arm64/ppc64le/s390x)
Health checks (readiness and liveness)
Graceful shutdown on interrupt signals
Watches for secrets and configmaps changes and updates the in-memory cache
Prometheus instrumentation (RED metrics)
Dependency management with golang/dep
Structured logging with zerolog
Error handling with pkg/errors
Helm chart

Web API:

GET / prints runtime information, environment variables, labels and annotations
GET /version prints podinfo version and git commit hash
GET /metrics http requests duration and Go runtime metrics
GET /healthz used by Kubernetes liveness probe
GET /readyz used by Kubernetes readiness probe
POST /readyz/enable signals the Kubernetes LB that this instance is ready to receive traffic
POST /readyz/disable signals the Kubernetes LB to stop sending requests to this instance
GET /error returns code 500 and logs the error
GET /panic crashes the process with exit code 255
POST /echo echos the posted content, logs the SHA1 hash of the content
GET /echoheaders prints the request HTTP headers
POST /job long running job, json body: {"wait":2}
GET /configs prints the configmaps and/or secrets mounted in the config volume
POST /write writes the posted content to disk at /data/hash and returns the SHA1 hash of the content
POST /read receives a SHA1 hash and returns the content of the file /data/hash if exists
POST /backend forwards the call to the backend service on http://backend-podinfo:9898/echo

Languages

Go 76.8%

CUE 11.6%

HTML 3.7%

Makefile 3.4%

Shell 2.4%

Other 2.1%