Docker Images Cheat Sheet

List Images

Show all local Docker images.

docker images

Alternative command:

docker image ls

Show all images including intermediates:

docker images -a

Build Image

Build image from Dockerfile in current directory.

docker build -t <image-name>:<tag> .

Build with specific Dockerfile:

docker build -f Dockerfile.prod -t my-app:latest .

Build with build arguments:

docker build --build-arg VERSION=1.0 -t my-app .

Build without cache:

docker build --no-cache -t my-app .

Pull Image

Download image from registry.

docker pull <image-name>

Pull specific version:

docker pull ubuntu:20.04

Pull from private registry:

docker pull registry.example.com/my-image:tag

Tag Image

Create a tag for an image.

docker tag <source-image> <target-image>:<tag>

Example:

docker tag my-app:latest myregistry/my-app:v1.0

Push Image

Upload image to Docker registry.

docker push <image-name>:<tag>

Example:

docker push myusername/my-app:latest

Remove Image

Delete image from local system.

docker rmi <image-id>

Force remove:

docker rmi -f <image-id>

Remove multiple images:

docker rmi image1 image2 image3

Remove all unused images:

docker image prune -a

Image History

Show history of image layers.

docker history <image-name>

Show without truncation:

docker history --no-trunc <image-name>

Inspect Image

View detailed image information.

docker inspect <image-name>

Get specific field:

docker inspect --format='{{.Architecture}}' <image-name>

Save Image

Export image to tar archive.

docker save -o image.tar <image-name>

Alternative syntax:

docker save <image-name> > image.tar

Load Image

Import image from tar archive.

docker load -i image.tar

Alternative syntax:

docker load < image.tar

Search Images

Search Docker Hub for images.

docker search <term>

Limit results:

docker search --limit 10 nginx

Prune Images

Remove unused images.

docker image prune

Remove all unused images:

docker image prune -a

Image Size

Show image sizes.

docker images --format "table {{.Repository}}\t{{.Tag}}\t{{.Size}}"

Create Image from Container

Commit container changes to new image.

docker commit <container-id> <new-image-name>

With message and author:

docker commit -m "Added feature" -a "Author" <container-id> my-image:v2