setup docker and parse json

Author: memoryonrepeat

app/Dockerfile

@@ -0,0 +1,8 @@
+FROM golang:1.10.3-alpine
+
+RUN mkdir /app 
+ADD . /app/ 
+WORKDIR /app 
+RUN go build -o main . 
+EXPOSE 8080
+CMD ["/app/main"]

app/app.go

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+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"os"
+)
+
+type Recipe struct {
+	Id          string
+	Name        string
+	Headline    string
+	Description string
+	Difficulty  int
+	PrepTime    string
+	ImageLink   string
+	Ingredients []struct {
+		Name      string
+		ImageLink string
+	}
+}
+
+func main() {
+	resp, err := http.Get("https://s3-eu-west-1.amazonaws.com/test-golang-recipes/1")
+	check(err)
+	body, err := ioutil.ReadAll(resp.Body)
+	check(err)
+	var recipe Recipe
+	err = json.Unmarshal(body, &recipe)
+	check(err)
+	fmt.Println(recipe)
+}
+
+func check(err error) {
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}

docker-compose.yml

@@ -0,0 +1,6 @@
+version: '2'
+services:
+    app:
+        build: ./app
+        ports:
+          - "8080:8080"