Initial AI service skeleton

cmd/server/main.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"ai-service/internal/config"
+	"ai-service/internal/httpapi"
+	"ai-service/internal/migrate"
+	"ai-service/internal/store"
+)
+
+func main() {
+	cfg := config.Load()
+	slog.SetDefault(slog.New(slog.NewJSONHandler(os.Stdout, nil)))
+
+	ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
+	defer stop()
+
+	db, err := store.Open(ctx, cfg.DatabaseURL)
+	if err != nil {
+		slog.Error("db_open_failed", "error", err)
+		os.Exit(1)
+	}
+	defer db.Close()
+
+	if cfg.MigrateOnStart {
+		if err := migrate.Up(ctx, db); err != nil {
+			slog.Error("migrate_failed", "error", err)
+			os.Exit(1)
+		}
+	}
+
+	server := &http.Server{
+		Addr:              fmt.Sprintf("%s:%d", cfg.HTTPHost, cfg.HTTPPort),
+		Handler:           httpapi.NewServer(db, cfg),
+		ReadHeaderTimeout: 10 * time.Second,
+	}
+
+	go func() {
+		<-ctx.Done()
+		shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+		_ = server.Shutdown(shutdownCtx)
+	}()
+
+	slog.Info("ai_service_started", "addr", server.Addr)
+	if err := server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
+		slog.Error("server_failed", "error", err)
+		os.Exit(1)
+	}
+}