docker commands cheat sheet

Contents

CHECKING LOGS COMMANDS
BUILD COMMANDS
SHARE COMMANDS
RUN COMMANDS
DOCKER MANAGE COMMANDS

CHECKING LOGS COMMANDS

• To view real time logging of docker container
  docker logs –f <containername>

• Viewing log for a particular timestamp
  docker logs <container_id> –timestamps
  docker logs <container_id> –since (or –until) YYYY-MM-DD
• To see the last N number of lines in log
  docker logs <container_id> –tail N
• If we want to see the specific log then we can use the grep command
  docker logs <container_id> | grep pattern

DOCKER BUILD COMAMNDS

• To Build an image from the Dockerfile in the current directory and tag the image
  docker build -t myimage:1.0 .

• List all images that are locally stored with the Docker Engine
  docker image ls

• Delete an image from the local image store
  docker image rm alpine:3.4

DOCKER SHARE COMMANDS

• Pull an image from a registry
  docker pull myimage:1.0

• Retag a local image with a new image name and tag
  docker tag myimage:1.0 myrepo/ myimage:2.0

• Push an image to a registry
  docker push myrepo/myimage:2.0

DOCKER RUN COMMANDS

• Run a container from the Alpine version 3.9 image, name the running container “web” and expose port 5000 externally, mapped to port 80 inside the container.
  docker container run –name web -p 5000:80 alpine:3.9

• Stop a running container through SIGTERM
  docker container stop web

• Stop a running container through SIGKILL
  docker container kill web

• List the networks
  docker network ls

• List the running containers (add –all to include stopped containers)
  docker container ls

• Delete all running and stopped containers
  docker container rm -f $(docker ps -aq)

• Print the last 100 lines of a container’s logs
  docker container logs –tail 100 web

DOCKER MANAGE COMMANDS

All commands below are called as options to the base docker command.
Run docker <command> –help for more information on a particular command.

node plugin	Manage plugins
registry*	Manage Docker registries
secret	Manage Docker secrets
service	Manage services
stack	Manage Docker stacks
swarm	Manage swarm
system	Manage Docker
template*	Quickly scaffold services
Volume	Manage volumes
Node	Manage nodes
config	Manage Docker configs
context	Manage contexts
image	Manage images
engine	Manage the docker Engine
network	Manage networks