# Create a virtual environment with all tools installed# ref: https://hub.docker.com/_/alpineFROM alpine:edge AS envLABEL maintainer="corentinl@google.com"# Install system build dependenciesENV PATH=/usr/local/bin:$PATHRUN apk add --no-cache git build-base linux-headers cmake xfce4-dev-toolsWORKDIR /rootADD or-tools_alpine-edge_v*.tar.gz .RUN cd or-tools_*_v*&& make test_cc