refactor: заменить Caddy на Traefik v3

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/setup/setup.go

@@ -10,17 +10,17 @@ import (
 )
 
 type Config struct {
-	SiteDomain     string
-	CaddyEmail     string
-	HTTPPort       string
-	HTTPSPort      string
-	UseDockerDB    bool
-	DBHost         string
-	DBPort         string
-	DBUser         string
-	DBPassword     string
-	DBName         string
-	DBSSLMode      string
+	SiteDomain  string
+	AcmeEmail   string
+	HTTPPort    string
+	HTTPSPort   string
+	UseDockerDB bool
+	DBHost      string
+	DBPort      string
+	DBUser      string
+	DBPassword  string
+	DBName      string
+	DBSSLMode   string
 }
 
 func RunInteractive(root string) (Config, error) {
@@ -31,7 +31,7 @@ func RunInteractive(root string) (Config, error) {
 	cfg := Config{}
 
 	cfg.SiteDomain = ask(in, "Домен сайта (например shop.example.com, Enter = localhost)", "localhost")
-	cfg.CaddyEmail = ask(in, "Email для Let's Encrypt (Caddy)", "admin@localhost")
+	cfg.AcmeEmail = ask(in, "Email для Let's Encrypt (Traefik)", "admin@localhost")
 	cfg.HTTPPort = ask(in, "HTTP порт", "80")
 	cfg.HTTPSPort = ask(in, "HTTPS порт", "443")
 
@@ -58,7 +58,7 @@ func RunInteractive(root string) (Config, error) {
 		return cfg, err
 	}
 
-	fmt.Println("\n✓ Созданы файлы: .env, caddy/Caddyfile")
+	fmt.Println("\n✓ Созданы файлы: .env, traefik/dynamic/shop.yml")
 	fmt.Println("\nДальше (на сервере):")
 	fmt.Println("  docker compose up --build -d")
 	fmt.Println("  ./check.sh --after-start")
@@ -72,26 +72,30 @@ func RunInteractive(root string) (Config, error) {
 
 func WriteFiles(root string, cfg Config) error {
 	envPath := filepath.Join(root, ".env")
-	caddyPath := filepath.Join(root, "caddy", "Caddyfile")
+	traefikPath := filepath.Join(root, "traefik", "dynamic", "shop.yml")
 
 	if err := os.WriteFile(envPath, []byte(buildEnv(cfg)), 0o600); err != nil {
 		return fmt.Errorf("write .env: %w", err)
 	}
-	if err := os.MkdirAll(filepath.Dir(caddyPath), 0o755); err != nil {
+	if err := os.MkdirAll(filepath.Dir(traefikPath), 0o755); err != nil {
 		return err
 	}
-	if err := os.WriteFile(caddyPath, []byte(buildCaddyfile(cfg)), 0o644); err != nil {
-		return fmt.Errorf("write Caddyfile: %w", err)
+	if err := os.WriteFile(traefikPath, []byte(buildTraefikDynamic(cfg)), 0o644); err != nil {
+		return fmt.Errorf("write traefik config: %w", err)
 	}
 	return nil
 }
 
 func buildEnv(cfg Config) string {
 	dbURL := DatabaseURL(cfg)
+	cookieSecure := "false"
+	if !useLocalDomain(cfg.SiteDomain) {
+		cookieSecure = "true"
+	}
 	lines := []string{
 		"# Сгенерировано установщиком ShopNova",
 		fmt.Sprintf("SITE_DOMAIN=%s", cfg.SiteDomain),
-		fmt.Sprintf("CADDY_EMAIL=%s", cfg.CaddyEmail),
+		fmt.Sprintf("ACME_EMAIL=%s", cfg.AcmeEmail),
 		fmt.Sprintf("HTTP_PORT=%s", cfg.HTTPPort),
 		fmt.Sprintf("HTTPS_PORT=%s", cfg.HTTPSPort),
 		"",
@@ -101,6 +105,8 @@ func buildEnv(cfg Config) string {
 		"",
 		fmt.Sprintf("DATABASE_URL=%s", dbURL),
 		"APP_PORT=8080",
+		fmt.Sprintf("COOKIE_SECURE=%s", cookieSecure),
+		"SESSION_TTL_HOURS=168",
 		"",
 		fmt.Sprintf("DB_HOST=%s", cfg.DBHost),
 		fmt.Sprintf("DB_PORT=%s", cfg.DBPort),
@@ -122,68 +128,56 @@ func DatabaseURL(cfg Config) string {
 	return u.String()
 }
 
-func buildCaddyfile(cfg Config) string {
-	email := cfg.CaddyEmail
-	if useLocalDomain(cfg.SiteDomain) {
-		return fmt.Sprintf(`{
-	email %s
-}
-
-:80 {
-	encode gzip zstd
-
-	@api path /health /version
-	handle @api {
-		reverse_proxy app:8080
-	}
-
-	handle /static/* {
-		reverse_proxy app:8080
-	}
-
-	handle {
-		reverse_proxy app:8080
-	}
-
-	log {
-		output stdout
-		format console
-	}
-}
-`, email)
-	}
-
+func buildTraefikDynamic(cfg Config) string {
 	domain := strings.TrimSpace(cfg.SiteDomain)
-	return fmt.Sprintf(`{
-	email %s
-}
-
-%s {
-	encode gzip zstd
-
-	@api path /health /version
-	handle @api {
-		reverse_proxy app:8080
+	if useLocalDomain(domain) {
+		return fmt.Sprintf(`# Сгенерировано установщиком ShopNova (localhost)
+http:
+  routers:
+    shop:
+      rule: "Host(`+"`%s`"+`)"
+      entryPoints: [web]
+      middlewares: [gzip]
+      service: shop
+  middlewares:
+    gzip:
+      compress: {}
+  services:
+    shop:
+      loadBalancer:
+        servers:
+          - url: "http://app:8080"
+`, domain)
 	}
 
-	handle /static/* {
-		reverse_proxy app:8080
-	}
-
-	handle {
-		reverse_proxy app:8080
-	}
-
-	log {
-		output stdout
-		format console
-	}
-}
-
-http://%s {
-	redir https://{host}{uri} permanent
-}
-`, email, domain, domain)
+	return fmt.Sprintf(`# Сгенерировано установщиком ShopNova
+http:
+  routers:
+    shop-http:
+      rule: "Host(`+"`%s`"+`)"
+      entryPoints: [web]
+      middlewares: [redirect-https]
+      service: shop
+    shop:
+      rule: "Host(`+"`%s`"+`)"
+      entryPoints: [websecure]
+      middlewares: [gzip]
+      service: shop
+      tls:
+        certResolver: letsencrypt
+  middlewares:
+    redirect-https:
+      redirectScheme:
+        scheme: https
+        permanent: true
+    gzip:
+      compress: {}
+  services:
+    shop:
+      loadBalancer:
+        servers:
+          - url: "http://app:8080"
+`, domain, domain)
 }
 
 func useLocalDomain(d string) bool {

internal/web/templates/layout.html

@@ -42,7 +42,7 @@
   <footer class="site-footer">
     <div class="container footer-inner">
       <p class="footer-brand">ShopNova</p>
-      <p class="footer-copy">© 2026 Интернет-магазин. Go + PostgreSQL + Caddy.</p>
+      <p class="footer-copy">© 2026 Интернет-магазин. Go + PostgreSQL + Traefik.</p>
     </div>
   </footer>
 </body>