Initial commit

app/.gitignore

@@ -0,0 +1 @@
+tmp-image

app/Dockerfile

@@ -0,0 +1,9 @@
+FROM golang:1.14
+
+WORKDIR /app
+
+COPY . .
+
+RUN go build -o app
+
+CMD /app/app

app/go.mod

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+module github.com/CSSSR/my-app
+
+go 1.14
+
+require github.com/logrusorgru/aurora v2.0.3+incompatible

app/go.sum

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+github.com/logrusorgru/aurora v2.0.3+incompatible h1:tOpm7WcpBTn4fjmVfgpQq0EfczGlG91VSDkswnjF5A8=
+github.com/logrusorgru/aurora v2.0.3+incompatible/go.mod h1:7rIyQOR62GCctdiQpZ/zOJlFyk6y+94wXzv6RNZgaR4=

app/main.go

@@ -0,0 +1,72 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+
+	"github.com/logrusorgru/aurora"
+)
+
+type appConfig struct {
+	Port      string
+	ImagePath string
+}
+
+var config appConfig
+
+func init() {
+	config.Port = os.Getenv("PORT")
+	if config.Port == "" {
+		config.Port = "3000"
+	}
+
+	config.ImagePath = os.Getenv("IMAGE_PATH")
+	if config.ImagePath == "" {
+		config.ImagePath = "tmp-image"
+	}
+}
+
+func uploadFile(w http.ResponseWriter, r *http.Request) {
+	file, _, err := r.FormFile("image")
+	if err != nil {
+		log.Fatalf("Error Retrieving the File %v", err)
+	}
+	defer file.Close()
+
+	fileBytes, err := ioutil.ReadAll(file)
+	if err != nil {
+		log.Fatalf("Error reading file %v", err)
+	}
+
+	ioutil.WriteFile(config.ImagePath, fileBytes, os.FileMode(0600))
+
+	log.Println(aurora.Cyan("Successfully Uploaded File"))
+	fmt.Fprintf(w, "Successfully Uploaded File\n")
+}
+
+func image(w http.ResponseWriter, r *http.Request) {
+	http.ServeFile(w, r, config.ImagePath)
+}
+
+func livenessProbe(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "ok")
+}
+
+func readinessProbe(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "ok")
+}
+
+func main() {
+	http.HandleFunc("/upload", uploadFile)
+	http.HandleFunc("/image", image)
+	http.HandleFunc("/healthz/liveness", livenessProbe)
+	http.HandleFunc("/healthz/readiness", readinessProbe)
+
+	err := http.ListenAndServe(fmt.Sprintf(":%s", config.Port), nil)
+	if err != nil {
+		log.Fatal(err)
+	}
+}