docker

pull files from inside container

docker cp <container_id>:/path/to/file /path/to/save

clean up old images

docker rmi -f $(docker images --filter "dangling=true" -q)
docker image prune

ref

• :1: https://stackoverflow.com/questions/44027873/how-to-create-a-new-docker-image-from-a-running-container-on-amazon
• :2: https://stackoverflow.com/questions/43699368/configure-docker-daemon-port-to-enable-docker-apis/43713435#43713435