feat: configuration

internal/server/server.go

@@ -1,34 +1,60 @@
 package server
 
 import (
+	"context"
 	"fmt"
+	"log/slog"
 	"net/http"
 	"os"
 	"strconv"
 	"time"
+
+	"git.schreifuchs.ch/schreifuchs/schreifuchs.ch/internal/pkg/config"
 )
 
 type Server struct {
 	port int
+	cfg  config.Cfg
 }
 
-func NewServer() *http.Server {
+func Start(ctx context.Context, cfg config.Cfg) (err error) {
 	port, _ := strconv.Atoi(os.Getenv("PORT"))
 	if port == 0 {
 		port = 8080
 	}
 	s := &Server{
 		port: port,
+		cfg:  cfg,
 	}
 
 	// Declare Server config
-	server := &http.Server{
+	srv := &http.Server{
 		Addr:         fmt.Sprintf(":%d", s.port),
 		Handler:      s.RegisterRoutes(),
 		IdleTimeout:  time.Minute,
 		ReadTimeout:  10 * time.Second,
 		WriteTimeout: 30 * time.Second,
 	}
+	idleConnsClosed := make(chan struct{})
 
-	return server
+	go func() {
+		<-ctx.Done()
+
+		slog.Info("shutting down server")
+
+		// Shutdown server when ctx done
+		if err = srv.Shutdown(context.Background()); err != nil {
+			// Error from closing listeners, or context timeout:
+			err = fmt.Errorf("error whilse shutting down server: %w", err)
+		}
+
+		close(idleConnsClosed)
+	}()
+
+	if err := srv.ListenAndServe(); err != http.ErrServerClosed {
+		return fmt.Errorf("error while server ListenAndServe: %w", err)
+	}
+
+	<-idleConnsClosed
+	return err
 }