Simple API server for SupInfo devops specialization

README.md

Build & run

docker build -t simple_api .
docker run -p 5000:5000 simple_api

Tests

$ curl 127.0.0.1:5000/World
Hello World!

$ curl 127.0.0.1:5000/hi
Hi

Ressources

• https://medium.com/@yusufkaratoprak/golang-rest-api-by-docker-7ad7d9b05e22
• https://semaphoreci.com/community/tutorials/how-to-deploy-a-go-web-application-with-docker
• https://tutorialedge.net/golang/go-docker-tutorial/
• https://quii.gitbook.io/learn-go-with-tests/build-an-application/http-server

Dockerfile

FROM golang:latest
RUN mkdir /app
ADD . /app/
WORKDIR /app
RUN go build -o main .
CMD ["/app/main"]

main.go

package main

import (
    "fmt"
    "log"
    "net/http"
)

func main() {
    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
        fmt.Fprintf(w, "Hello %s!", r.URL.Path[1:])
        fmt.Println("RESTfulServ. on:5000, Controller:",r.URL.Path[1:])
    })
    http.HandleFunc("/hi", func(w http.ResponseWriter, r *http.Request){
        fmt.Fprintf(w, "Hi")
    })
    log.Fatal(http.ListenAndServe(":5000", nil))
}