If I want to rebuild the docker dev image locally, can I just put the dev dockerfile and entry point into the local folder and change the compose file to www: depends_on: - db build: . volumes: - './www:/var/www/html:delegated' - './farmdata2files:/farmdata2files:delegated' ports: - '80:80' environment: XDEBUG_CONFIG: remote_host=172.17.0.1