feat: optimize blog build and deployment

Makefile

@@ -1,7 +1,13 @@
-.PHONY: up down
+.PHONY: up down ensure-env
 
-up:
-	docker compose up -d --build
+ensure-env:
+	@if [ ! -f .env ]; then \
+		cp .env.example .env; \
+		echo "Created .env from .env.example. Edit ENCRYPT_PASSWORD in .env for deployment."; \
+	fi
+
+up: ensure-env
+	docker compose --env-file .env up -d --build
 
 down:
-	docker compose down
+	docker compose --env-file .env down