Managing Containers
docker run -i -t ubuntu /bin/bash # create a container
docker run --name bob_the_container \
-i -t ubuntu /bin/bash # create a container with specified name
docker ps -a # show all containers
docker start bob_the_container # start a stopped container
docker attach bob_the_container # attach to a container
# NOTE: hit Enter to get a prompt
docker run --name daemon_dave -d \ # create daemonized container
ubuntu /bin/sh -c \
"while true; do echo hello world; sleep 1; done"
# view terminal output inside the container
docker logs daemon_dave
docker logs -f daemon_dave # like tail -f
docker logs -t daemon_dave # print timestamps
docker top daemon_dave # see what's happening inside the container
# run a process inside the container
docker exec -d daemon_dave touch /etc/config_file # background
docker exec -t -i daemon_dave /bin/bash # interactive
docker stop daemon_dave # stop a daemonized container
# automatic container restarts
docker run --restart=always --name daemon_dave -d ubuntu \
/bin/sh -c "while true; do echo hello world; sleep 1; done"
# might be better to use this flag
--restart=on-failure:5 # max of 5 restarts
docker inspect daemon_dave # get container details
# get IP address
docker inspect --format '{{ .NetworkSettings.IPAddress }}' \
daemon_dave
docker rm 80430f8d0921 # delete a stopped container