init

cmd/server/main.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"flag"
+	"log/slog"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"go-htmx-chat/internal/chat"
+	"go-htmx-chat/internal/store"
+	"go-htmx-chat/internal/web"
+)
+
+func main() {
+	addr := flag.String("addr", ":8080", "HTTP listen address")
+	dbPath := flag.String("db", "data/chat.json", "JSON data file path")
+	flag.Parse()
+
+	logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelInfo}))
+
+	st, err := store.Open(*dbPath)
+	if err != nil {
+		logger.Error("open store", "error", err)
+		os.Exit(1)
+	}
+	defer st.Close()
+
+	authCfg, err := web.AuthConfigFromEnv(logger)
+	if err != nil {
+		logger.Error("auth config", "error", err)
+		os.Exit(1)
+	}
+
+	srv, err := web.NewServer(st, chat.NewHub(), logger, authCfg)
+	if err != nil {
+		logger.Error("new server", "error", err)
+		os.Exit(1)
+	}
+
+	httpServer := &http.Server{
+		Addr:              *addr,
+		Handler:           srv.Routes(),
+		ReadHeaderTimeout: 5 * time.Second,
+	}
+
+	go func() {
+		logger.Info("listening", "addr", *addr)
+		if err := httpServer.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
+			logger.Error("listen", "error", err)
+			os.Exit(1)
+		}
+	}()
+
+	stop := make(chan os.Signal, 1)
+	signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
+	<-stop
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	_ = httpServer.Shutdown(ctx)
+	logger.Info("server stopped")
+}