Show Menu

This is a basic cheatsheet for Docker

Building Docker Images

docker build -t <im­age­_na­me>­:<t­ag> <pa­th_­to_­Doc­ker­fil­e>
Build an image from a Dockerfile

Dockerfile layering template

FROM <im­age­_na­me>­:<t­ag>
Includes the OS & sometimes the runtime enviro­nment
Specifies which directory to work in
COPY . .
Copying everythin in the root directory into app directory
RUN npm install
Installing depend­encies
EXPORT port_n­umber
Specifies port number
CMD ["co­mma­nd"]
Command runs in the container not image
docker build -t <image name> .

Managing Docker Images

docker images
List all images
docker image rm <im­age­_na­me_­or_­ID>
Remove one or more images
docker image rm <im­ag_­nam­e> -f
Forcefully delete an image even if it is used

Running Docker Containers

docker run --name <na­me> -p local_­por­t:c­ont­ain­er_­por­t<i­mag­e_n­ame­>:<­tag>
Run a command in a new container with name and specif­iying the local port
docker ps
List running containers
docker ps -a
List all containers
docker stop <co­nta­ine­r_n­ame­_or­_ID>
Stop one or more running containers
docker start
docker start <co­nta­ine­r_n­ame­_or­_ID>
docker container rm <co­nta­ine­r_n­ame>
Deleting containers

Managing Docker Containers

docker rm <co­nta­ine­r_n­ame­_or­_ID>
Remove one or more containers
docker exec -it <co­nta­ine­r_n­ame­_or­_ID> <co­mma­nd>
Run a command in a running container
docker logs <co­nta­ine­r_n­ame­_or­_ID>
Fetch the logs of a container

Docker Compose

docker­-co­mpose up
Start services defined in a docker­-co­mpo­se.yml file
docker­-co­mpose down --rmi all -v
Stop and remove contai­ners, networks, images, and volumes
for managing multi-­con­tainer applic­ations

Docker Compose Template


docker pull <im­age­_na­me>­:<t­ag>
Pull an image or a repository from a registry
docker tag <so­urc­e_i­mag­e> <ta­rge­t_i­mag­e>
Create a tag TARGET­_IMAGE that refers to SOURCE­_IMAGE
docker push <im­age­_na­me>­:<t­ag>
Push an image or a repository to a registry
docker inspect <co­nta­ine­r_o­r_i­mag­e_n­ame­_or­_ID>
Display detailed inform­ation on one or more containers or images
docker system prune -a
Delete everything




No comments yet. Add yours below!

Add a Comment

Your Comment

Please enter your name.

    Please enter your email address

      Please enter your Comment.

          Related Cheat Sheets

          More Cheat Sheets by leenmajz

          Files and Internet Scrapping Python Cheat Sheet
          Python Basics Cheat Sheet
          Shell Scripting Basics Cheat Sheet