COPY --from=composer /usr/bin/composer /usr/bin/composer COPY --from=grpc-base /github/grpc/cmake/build/third_party/protobuf/protoc ${'\\'} /usr/local/bin/protoc COPY --from=grpc-base /github/grpc/cmake/build/grpc_php_plugin ${'\\'} /usr/local/bin/protoc-gen-grpc COPY --from=grpc-base ${'\\'} /usr/local/lib/php/extensions/no-debug-non-zts-20170718/grpc.so ${'\\'} /usr/local/lib/php/extensions/no-debug-non-zts-20170718/grpc.so