Techie May 2022
1 . List running containers
$ docker ps
2 . List all containers
$ docker ps -a
3 . Start, restart, stop or kill a docker container
$ docker start container_id
$ docker restart container_id
$ docker stop container_id
$ docker kill container_id
4 . Start a container and keep it running in the background
Detached mode runs containers in the background.
$ docker start container_id -d
# Through docker-compose
$ docker-compose up -d
5 . Delete container
$ docker rm container_id
6 . Delete all stopped containers
$ docker rm $(docker ps -a -q)
7 . Kill all running containers
$ docker kill $ (docker ps -q)
8 . Show container logs
$ docker logs container_id
9 . Tail/follow container logs
$ docker logs -ft container_id
10 . Tail/follow container logs
$ docker logs -ft container_id
11 . Save a running container as an image
$ docker commit -m “commit message” -a “author” container_id username/image_id: tag
12 . Run a command in a container
$ docker exe -ti container_id command.sh
13 . Get shell access to a docker container
$ docker exec -it container_id sh
14 . Update your current package list
$ apk update
15 . Install a package
$ apk add package_name
# Example
# Install micro
# A terminal based text editor with syntax highlighting
$ apk add micro
16 . Search for packages
$ apk search -v 'package_name'
# Example
$ apk search -v 'node'
17 . Install bash and switch current shell to bash
$ apk add bash
$ bash
18 . View docker networks
$ docker network list
19 . List running images
$ docker images
20 . List all images
$ docker images -a
21 . Delete image
$ docker rmi image_id
# Example
$ docker rmi c430ys54229b
22 . Tag an image
$ docker tag image_id tage_name
23 . Create an image from a container. (A snapshot of the container)
$ docker commit container_id image_id
24 . Delete all images
$ docker rmi $(docker images -q)
25 . Remove an image that is not used in a container
$ docker image_id prune -a
26 . Clean an unused image
$ docker image_id prune
27 . Prune entire system
$ docker system prune
28 . Initialize the swarm mode and listen to a specific interface
$ docker swarm init --advertise-addr 47.51.0.26
29 . Join an existing swarm as a manager node
$ docker swarm join --token manager_token_here 47.51.0.26:2377
30 . Join a swarm as a worker node
$ docker swarm join --token manager_token_here 47.51.0.26:2377
31 . List all nodes in the swarm
$ docker node ls
32 . Create a service from an image on the existing port and deploy five instances
$ docker service create --replicas 5 -p 80:80 name -webnginx
33 . List services running in a swarm
$ docker service ls
34 . Scale a service
$ docker service scale web=5
35 . List the tasks of a service
$ docker service ps web
36 . View all running services
$ docker stack services stack_name
37 . View all service logs
$ docker service logs stack_name service_names
38 . Scale a service across qualified nodes
$ docker service scale stack_name_service_name = replicas
39 . Leave a swarm
$ docker stack rm stack_name
40 . Remove a swarm
$ docker stack rm stack_name
Thanks for reading, see you in the next one!
