#INSTALL DOCKER sudo apt install docker.io start docker service sudo service docker start add current user to docker group ERROR: Couldn’t connect to Docker daemon at http+docker://localunixsocket - is it running? If it’s at a non-standard location, specify the URL with the DOCKER_HOST environment variable. sudo gpasswd -a ${USER} docker #CHANGE stack.yml # volume map #MORE auto restart when change file example: nodemon --ext py --exec "docker-compose -f ../../xiaohuidocker/stack.yml restart tup"