HTTP Server Patterns

Patterns และ best practices สำหรับ HTTP server ใน Go

Basic Server

package main

import (
    "fmt"
    "net/http"
)

func main() {
    http.HandleFunc("/", homeHandler)
    http.HandleFunc("/api/users", usersHandler)

    fmt.Println("Server starting on :8080")
    http.ListenAndServe(":8080", nil)
}

func homeHandler(w http.ResponseWriter, r *http.Request) {
    fmt.Fprintf(w, "Welcome!")
}

func usersHandler(w http.ResponseWriter, r *http.Request) {
    switch r.Method {
    case http.MethodGet:
        fmt.Fprintf(w, "List users")
    case http.MethodPost:
        fmt.Fprintf(w, "Create user")
    default:
        http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
    }
}