jacobnguyenn / canary-sample-app

Sample app to demo canary analysis

Dummy application which display hostname and version

GoLang webserver which purpose is to reply with the hostname and if existing, the environment variable VERSION.

Getting started

Development

Install dependencies using dep:

$ dep ensure
$ go run main.go

Docker

Build

$ docker build -t containersol/k8s-deployment-strategies .

Run

$ docker run -d \
    --name app \
    -p 8080:8080 \
    -h host-1 \
    -e VERSION=v1.0.0
    containersol/k8s-deployment-strategies

Test

$ curl localhost:8080
2018-01-28T00:22:04+01:00 - Host: host-1, Version: v1.0.0

Liveness and readiness probes are replying on :8086/live and :8086/ready.

Prometheus metrics are served at :9101/metrics.

Cleanup

$ docker stop app

Reference

https://github.com/ContainerSolutions/k8s-deployment-strategies/tree/master/app