Initial version for go server.

2022/01/golang_demo1/.gitignore

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+.idea
+*.iml

2022/01/golang_demo1/Program.go

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+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+func main() {
+	fmt.Println("Hello World!!!")
+	f := func(writer http.ResponseWriter, req *http.Request) {
+		writer.Header().Set("Content-Type", "application/json")
+		m := map[string]string{
+			"result": "ok",
+		}
+		p, _ := json.Marshal(m)
+		writer.WriteHeader(201)
+		_, _ = writer.Write(p)
+	}
+
+	http.HandleFunc("/", f)
+	_ = http.ListenAndServe(":8080", nil)
+}