initial commit

main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net"
+	"net/http"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/gorilla/mux"
+)
+
+func fatal(err any) {
+	log.Fatalf("[ERR] %s\n", err)
+}
+
+func info(s string) {
+	log.Printf("[INFO] %s\n", s)
+}
+
+func write(w http.ResponseWriter, status int, data []byte) {
+	w.WriteHeader(status)
+	w.Write(data)
+}
+
+func main() {
+	r := mux.NewRouter()
+
+	r.HandleFunc("/{id}-lyrics", lyricsHandler)
+	r.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))
+
+	server := &http.Server{
+		Handler:      r,
+		WriteTimeout: 10 * time.Second,
+		ReadTimeout:  10 * time.Second,
+	}
+
+	port, _ := strconv.Atoi(os.Getenv("PORT"))
+
+	if port == 0 {
+		port = 5555
+	}
+
+	l, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
+	if err != nil {
+		fatal(err)
+	}
+
+	info(fmt.Sprintf("server is listening on port %d", port))
+
+	fatal(server.Serve(l))
+}