Simple Golang echo server shipped in docker image

A Simple Golang echo server shipped in docker image README.md

Deployment

Build

docker build -t echo-server .
docker tag echo-server olivernadj/echo-server
docker push olivernadj/echo-server

Run

docker pull olivernadj/echo-server && \
docker stop echo-server-container && \
docker rm echo-server-container && \
docker run --name=echo-server-container -p 8080:8080 -d olivernadj/echo-server

Dev

docker build -t echo-server .
docker run --name echo-server-container -p 8080:8080 --rm -it echo-server

kubectl

kubectl delete --all pods &&   kubectl delete --all deployments &&   kubectl delete --all services
kubectl create -f echo-server.yaml,echo-server-service.yaml

Dockerfile

FROM golang:1.12
MAINTAINER Oliver Nadj <mr.oliver.nadj@gmail.com>
ADD main.go /go/src/main.go
EXPOSE 8080
WORKDIR /go/src
ENTRYPOINT [ "go", "run",  "main.go"]

echo-server-service.yaml

apiVersion: v1
kind: Service
metadata:
  name: echoserver-service
spec:
  type: LoadBalancer
  ports:
  - port: 8080
    targetPort: echo-port
    protocol: TCP
  selector:
    app: echoserver

echo-server.yaml

apiVersion: v1
kind: Pod
metadata:
  name: echoserver.example.com
  labels:
    app: echoserver
spec:
  containers:
  - image: olivernadj/echo-server
    name: echo-server
    ports:
    - name: echo-port
      containerPort: 8080

main.go

package main

import (
	"log"
	"net/http"
)

func EchoHandler(writer http.ResponseWriter, request *http.Request) {
	request.Write(writer)
	writer.Write([]byte("\nGreetings from coderschool.vn\n"))
}

func main() {
	log.Println("starting server, listening on port 8080")
	http.HandleFunc("/", EchoHandler)
	http.ListenAndServe(":8080", nil)
}