Add full shop application: Go backend, PostgreSQL, Docker, Caddy and admin panel.

2026-06-25 16:39:33 +03:00
parent a150e4f8c6
commit ee5688f722
24 changed files with 1797 additions and 0 deletions
@@ -0,0 +1,95 @@
+package main
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"shop/internal/auth"
+	"shop/internal/config"
+	"shop/internal/database"
+	"shop/internal/handlers"
+	"shop/internal/repository"
+)
+
+func main() {
+	ctx := context.Background()
+	cfg := config.Load()
+
+	pool, err := database.Connect(ctx)
+	if err != nil {
+		log.Fatalf("database: %v", err)
+	}
+	defer pool.Close()
+
+	if err := database.Migrate(ctx, pool); err != nil {
+		log.Fatalf("migrate: %v", err)
+	}
+
+	productRepo := repository.NewProductRepository(pool)
+	adminRepo := repository.NewAdminRepository(pool)
+
+	if cfg.AdminEmail != "" && cfg.AdminPassword != "" {
+		if err := adminRepo.Upsert(ctx, cfg.AdminEmail, cfg.AdminPassword); err != nil {
+			log.Fatalf("admin seed: %v", err)
+		}
+		log.Printf("admin ready: %s", cfg.AdminEmail)
+	} else {
+		log.Println("warning: set ADMIN_EMAIL and ADMIN_PASSWORD in .env to create admin")
+	}
+
+	home, err := handlers.NewHomeHandler(productRepo)
+	if err != nil {
+		log.Fatalf("handler: %v", err)
+	}
+
+	session := auth.NewSession(cfg.SessionSecret)
+	admin := handlers.NewAdminHandler(adminRepo, productRepo, session, home.Templates())
+
+	mux := http.NewServeMux()
+	mux.Handle("GET /static/", http.StripPrefix("/static/", home.Static()))
+	mux.HandleFunc("GET /health", home.Health)
+	mux.HandleFunc("GET /{$}", home.Home)
+
+	mux.HandleFunc("GET /admin/login", admin.LoginPage)
+	mux.HandleFunc("POST /admin/login", admin.Login)
+	mux.HandleFunc("POST /admin/logout", admin.Logout)
+	mux.HandleFunc("GET /admin/{$}", admin.Dashboard)
+
+	addr := ":" + getEnv("APP_PORT", "8080")
+	srv := &http.Server{
+		Addr:         addr,
+		Handler:      mux,
+		ReadTimeout:  10 * time.Second,
+		WriteTimeout: 30 * time.Second,
+		IdleTimeout:  60 * time.Second,
+	}
+
+	go func() {
+		log.Printf("server listening on %s", addr)
+		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			log.Fatalf("listen: %v", err)
+		}
+	}()
+
+	quit := make(chan os.Signal, 1)
+	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
+	<-quit
+
+	shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	if err := srv.Shutdown(shutdownCtx); err != nil {
+		log.Printf("shutdown: %v", err)
+	}
+}
+
+func getEnv(key, fallback string) string {
+	if v := os.Getenv(key); v != "" {
+		return v
+	}
+	return fallback
+}