init

Author: k0dep

DockerFile

@@ -0,0 +1,26 @@
+# Start from the latest golang base image
+FROM golang:latest as builder
+
+# Set the Current Working Directory inside the container
+WORKDIR /app
+
+# Copy the source from the current directory to the Working Directory inside the container
+COPY . .
+
+# Build the Go app
+RUN go build -o main .
+
+
+######## Start a new stage from scratch #######
+FROM alpine:latest
+
+WORKDIR /root/
+
+# Copy the Pre-built binary file from the previous stage
+COPY --from=builder /app/main .
+
+# Expose port 8080 to the outside world
+EXPOSE 8080
+
+# Command to run the executable
+CMD ["./main"] 

format.txt

@@ -0,0 +1 @@
+Hello, %s!

main.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+    "fmt"
+    "net/http"
+    "os"
+    "io/ioutil"
+)
+
+func main() {
+    port := os.Getenv("PORT")
+    if(port == "") {
+        port = "8080"
+    }
+
+    dat, err := ioutil.ReadFile("format.txt")
+    if(err != nil) {
+        panic(err)
+    }
+    fmt.Println("Format: " + string(dat))
+
+    fmt.Println("Start listen port " + port)
+    
+    http.HandleFunc("/", HelloServer)
+    http.ListenAndServe(":" + port, nil)
+    fmt.Println("Terminating")
+}
+
+func HelloServer(w http.ResponseWriter, r *http.Request) {
+    fmt.Fprintf(w, "Hello, %s!", r.URL.Path[1:])
+}