Getting Started

Getting started

$ docker run -d -p 80:80 docker/getting-started

• -d – Run the container in detached mode
• -p 80:80 – Map port 80 to port 80 in the container
• docker/getting-started – The image to use

Create and run a container in foreground

$ docker run -it -p 8001:8080 --name my-nginx nginx

• -it – Interactive bash mode
• -p 8001:8080 – Map port 8001 to port 8080 in the container
• --name my-nginx – Specify a name
• nginx – The image to use

General commands

Example	Description
docker ps	List running containers
docker ps -a	List all containers
docker ps -s	List running containers (with CPU / memory)
docker images	List all images
docker exec -it <container> bash	Connecting to container
docker logs <container>	Shows container’s console log
docker stop <container>	Stop a container
docker restart <container>	Restart a container
docker rm <container>	Remove a container
docker port <container>	Shows container’s port mapping
docker top <container>	List processes
docker kill <container>	Kill a container

Docker Containers

Starting & Stopping

Description	Example
Starting	docker start my-nginx
Stopping	docker stop my-nginx
Restarting	docker restart my-nginx
Pausing	docker pause my-nginx
Unpausing	docker unpause my-nginx
Blocking a Container	docker wait my-nginx
Sending a SIGKILL	docker kill my-nginx
Connecting to an Existing Container	docker attach my-nginx

Information

Example	Description
docker ps	List running containers
docker ps -a	List all containers
docker logs my-nginx	Container Logs
docker inspect my-nginx	Inspecting Containers
docker events my-nginx	Containers Events
docker port my-nginx	Public Ports
docker top my-nginx	Running Processes
docker stats my-nginx	Container Resource Usage
docker diff my-nginx	Lists the changes made to a container.

Docker Images

Manipulating

Example	Description
docker images	Listing images
docker rmi nginx	Removing an image
docker load < ubuntu.tar.gz	Loading a tarred repository
docker load --input ubuntu.tar	Loading a tarred repository
docker save busybox > ubuntu.tar	Save an image to a tar archive
docker history	Showing the history of an image
docker commit nginx	Save a container as an image.
docker tag nginx eon01/nginx	Tagging an image
docker push eon01/nginx	Pushing an image

Building Images

$ docker build .

$ docker build github.com/creack/docker-firefox

$ docker build - < Dockerfile

$ docker build - < context.tar.gz

$ docker build -t eon/my-nginx .

$ docker build -f myOtherDockerfile .

$ curl example.com/remote/Dockerfile | docker build -f - .

Docker Networking

Manipulating

docker network rm MyOverlayNetwork

docker network ls

docker network inspect MyOverlayNetwork

docker network connect MyOverlayNetwork nginx

docker run -it -d --network=MyOverlayNetwork nginx

docker network disconnect MyOverlayNetwork nginx

Creating Networks

docker network create -d overlay MyOverlayNetwork

docker network create -d bridge MyBridgeNetwork

docker network create -d overlay \
  --subnet=192.168.0.0/16 \
  --subnet=192.170.0.0/16 \
  --gateway=192.168.0.100 \
  --gateway=192.170.0.100 \
  --ip-range=192.168.1.0/24 \
  --aux-address="my-router=192.168.1.5" \
  --aux-address="my-switch=192.168.1.6" \
  --aux-address="my-printer=192.170.1.5" \
  --aux-address="my-nas=192.170.1.6" \
  MyOverlayNetwork

Clean Up

Clean All

docker system prune

Additionally, remove any stopped containers and all unused images (not just dangling images)

docker system prune -a

Containers

docker stop $(docker ps -a -q)

docker container prune

Images

docker image prune

docker image prune -a

Volumes

docker volume prune

Miscellaneous

### Docker Hub

Docker Hub	Description
docker search search_word	Search docker hub for images.
docker pull user/image	Downloads an image from docker hub
docker login	Authenticate to docker hub
docker push user/image	Uploads an image to docker hub.

Registry commands

docker login

docker logout

docker search nginx

docker pull nginx

docker push eon01/nginx

Batch clean

Example	Description
docker stop -f $(docker ps -a -q)	Stopping all containers
docker rm -f $(docker ps -a -q)	Removing all containers
docker rmi -f $(docker images -q)	Removing all images

Volumes

docker volume ls

docker volume prune

$ docker build .

$ docker build github.com/creack/docker-firefox

$ docker build - < Dockerfile

$ docker build - < context.tar.gz

$ docker build -t eon/my-nginx .

$ docker build -f myOtherDockerfile .

$ curl example.com/remote/Dockerfile | docker build -f - .

docker network rm MyOverlayNetwork

docker network ls

docker network inspect MyOverlayNetwork

docker network connect MyOverlayNetwork nginx

docker run -it -d --network=MyOverlayNetwork nginx

docker network disconnect MyOverlayNetwork nginx

docker network create -d overlay MyOverlayNetwork

docker network create -d bridge MyBridgeNetwork

docker network create -d overlay \
  --subnet=192.168.0.0/16 \
  --subnet=192.170.0.0/16 \
  --gateway=192.168.0.100 \
  --gateway=192.170.0.100 \
  --ip-range=192.168.1.0/24 \
  --aux-address="my-router=192.168.1.5" \
  --aux-address="my-switch=192.168.1.6" \
  --aux-address="my-printer=192.170.1.5" \
  --aux-address="my-nas=192.170.1.6" \
  MyOverlayNetwork

docker system prune

docker system prune -a

docker stop $(docker ps -a -q)

docker container prune

docker image prune

docker image prune -a

docker volume prune

docker login

docker logout

docker search nginx

docker pull nginx

docker push eon01/nginx

docker volume ls

docker volume prune