基本上我错过了在Dockerfile中声明arg的机会。
# docker-compose.yml fileversion: '2'services: django: build: context: . dockerfile: ./docker/Dockerfile args: - SOMETHING=foo# DockerfileARG SOMETHINGRUN echo $SOMETHING
喊@Lauri给我看光。

基本上我错过了在Dockerfile中声明arg的机会。
# docker-compose.yml fileversion: '2'services: django: build: context: . dockerfile: ./docker/Dockerfile args: - SOMETHING=foo# DockerfileARG SOMETHINGRUN echo $SOMETHING
喊@Lauri给我看光。