perteghella / hello-shell

Sample "Hello world" containerized web server written in GO and the tools of alpine

Information

Sample "Hello world" containerized web server written in GO and the tools of alpine:

• golang:1.20.4 https://hub.docker.com/_/golang
• alpine 3.17.2 https://hub.docker.com/_/alpine

This application is available as two OCI images on Docker Hub, which respond to requests with different version numbers:

• perteghella/hello-shell:1.0
• perteghella/hello-shell:2.0

The images are based on https://github.com/GoogleCloudPlatform/kubernetes-engine-samples/tree/main/hello-app

Key features

• Multi architecture build
  • linux/amd64
  • linux/arm64
• Minimal size due to multistage build
• Multiple tag to test the migration to different version of deployment

How to use this image with Docker cli

Download the proper tagged image docker pull perteghella/hello-shell:TAG

Run as daemon exposing port 8080 on localhost port 8000

docker pull perteghella/hello-shell:1.0

docker run -d -p 8000:8080 perteghella/hello-shell:1.0

Verify that the server is running and respond

curl http://127.0.0.1:8000

Attach to shell using

docker exec -it CONTAINER-ID /bin/sh

Code

Source on Github https://github.com/Perteghella/hello-shell

Build the image

docker buildx build --platform linux/amd64,linux/arm64 --tag perteghella/hello-shell:1.0 --push .