Simple http server using redirect handlers and func handlers via mux (no external middleware)

simple_http_server.go

package main

import (
    "log"
    "net/http"
    "io"
    "fmt"
)

func main() {
    mux := http.NewServeMux()

    google := http.RedirectHandler("https://google.com", 307)
    gmail := http.RedirectHandler("https://mail.google.com", 307)

    mux.Handle("/google", google)
    mux.Handle("/gmail", gmail)
    mux.HandleFunc("/health", HealthCheckHandler)
    mux.HandleFunc("/", WildcardHandler)

    log.Println("Listening...")
    http.ListenAndServe(":8080", mux)
}

func HealthCheckHandler(w http.ResponseWriter, r *http.Request) {
    w.WriteHeader(http.StatusOK)
    w.Header().Set("Content-Type", "application/json")
    io.WriteString(w, `{ "healthy": true }`)
}

func WildcardHandler(w http.ResponseWriter, r *http.Request) {
    fmt.Fprintf(w, "Hi there, you tried to access URI: /%s", r.URL.Path[1:])
}