updates

backend/cmd/server/main.go

@@ -22,7 +22,24 @@ func main() {
 
 	dsn := os.Getenv("DATABASE_URL")
 	if dsn == "" {
-		dsn = "postgres://dropzone:dropzone@localhost:15432/dropzone?sslmode=disable"
+		host := os.Getenv("DB_HOST")
+		if host == "" {
+			host = "localhost"
+		}
+		port := os.Getenv("DB_PORT")
+		if port == "" {
+			port = "15432"
+		}
+		name := os.Getenv("DB_NAME")
+		if name == "" {
+			name = "dropzone"
+		}
+		user := os.Getenv("DB_USER")
+		if user == "" {
+			user = "dropzone"
+		}
+		pass := os.Getenv("DB_PASSWORD")
+		dsn = fmt.Sprintf("postgres://%s:%s@%s:%s/%s?sslmode=disable", user, pass, host, port, name)
 	}
 	jwtSecret := os.Getenv("JWT_SECRET")
 	if jwtSecret == "" {
@@ -52,6 +69,10 @@ func main() {
 	r.Use(chimiddleware.Logger)
 	r.Use(chimiddleware.Recoverer)
 
+	r.Get("/api/health", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+	})
+
 	// Public endpoints
 	r.Post("/api/auth/login", auth.NewLoginHandler(db, jwtSecret))
 	r.Get("/api/files/public", files.PublicListHandler(diskRoot))

docker-compose.yml

@@ -14,6 +14,11 @@ services:
     volumes:
       - postgres_data:/var/lib/postgresql/data
       - ./postgres/init:/docker-entrypoint-initdb.d:ro
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${DB_USER} -d ${DB_NAME}"]
+      interval: 5s
+      timeout: 5s
+      retries: 10
     networks:
       - internal
 
@@ -36,7 +41,13 @@ services:
     volumes:
       - ${DISK_ROOT}:${DISK_ROOT}
     depends_on:
-      - postgres
+      postgres:
+        condition: service_healthy
+    healthcheck:
+      test: ["CMD-SHELL", "wget -qO- http://localhost:8080/api/health || exit 1"]
+      interval: 5s
+      timeout: 5s
+      retries: 10
     networks:
       - internal
 
@@ -55,7 +66,8 @@ services:
       - ./nginx/templates:/etc/nginx/templates:ro
       - ${DISK_ROOT}:${DISK_ROOT}:ro
     depends_on:
-      - backend
+      backend:
+        condition: service_healthy
     networks:
       - internal
       - external