version: '3' services: emscripten-builder: user: ${USERID} image: seanmorris/php-emscripten-builder build: context: ./ dockerfile: emscripten-builder.dockerfile environment: EMCC_CORES: 8 ENVIRONMENT: ${ENVIRONMENT:-web} volumes: - ./:/src - /tmp/emsdk-cache:/emsdk/upstream/emscripten/cache/ - ./.cache:/emsdk_portable/.data/cache/asmjs/ command: [bash]