Docker Cheatsheet

Commands

A list of all the basic commands, regulary needed for Docker

Sample Docker file

FROM httpd:2.4
COPY ./ /usr/local/apache2/htdocs/

Build

Build the local image.

docker build -t my-apache2 .

Run

Build the container and start it

# -d run detached from console, -interactive, -tty
docker run -dit --name my-running-app my-apache2
# assign a port
docker run -p 8080:80 -dit --name my-running-app my-apache2

Start

Start the container

docker start my-apache

Stop

docker stop my-apache2

Containers

# List containers
docker ps

# List all containers
docker ps -a

# Delete Container
docker rm 083fd8a178bb

# Delete Containers by image name
docker rm $(docker stop $(docker ps -a -q --filter ancestor=<image-name> --format=""))

Bash into a container

docker exec -it <mycontainer> bash

Images

# List Images
docker images

# Remove image
docker rmi my-image

Clean up

# Delete all docker containers
docker rm $(docker ps -a -q)

# Delete all docker images
docker rmi $(docker images -q)

# Remove all images
docker rmi $(docker images -qf "dangling=true")

# Kill containers and remove them:
docker rm $(docker kill $(docker ps -aq))

# Remove untaged images
docker rmi -f $(docker images | grep "<none>" | awk "{print \$3}")

# Kill containers and remove them:

Clear up all disk space

docker rm $(docker ps -a -q)
docker rmi $(docker images -q)
docker volume rm $(docker volume ls |awk '{print $2}')
rm -rf ~/Library/Containers/com.docker.docker/Data/*

Docker Compose

Having a docker-compose.yml can help just having one command for Build / Run / Start and have similar environments accross development maschines.

Also check out the full working Docker Compose Web Sample

Sample docker-compose.yml

version: '3'
services:
  web:
    build: .
    ports:
      - "8080:80"

Docker-Compose up

# Image / Build / Run / Start
docker-compose up