Fix env_file path: .env is in project root, not infra/

infra/docker-compose.yml

@@ -29,7 +29,7 @@ services:
       # Mount the builder script so edits take effect without rebuilding.
       - ../builder:/app/builder:ro
     env_file:
-      - path: .env
+      - path: ../.env
         required: false
     environment:
       HIY_DATA_DIR: /data
@@ -56,7 +56,7 @@ services:
       - "443:443"
       - "2019:2019"   # admin API
     env_file:
-      - path: .env
+      - path: ../.env
         required: false
     volumes:
       - ../proxy/Caddyfile:/etc/caddy/Caddyfile:ro