Image Operations in Docker
From the Docker cheat sheet · Image Management · verified Jul 2026
Image Operations
Manage Docker images - pull, push, tag, and remove
bash
# List images
docker images
docker image ls
# Pull images
docker pull nginx
docker pull nginx:alpine
# Push images
docker push myregistry/myapp:v1
# Tag images
docker tag myapp:latest myapp:v1.0
docker tag myapp registry/myapp:latest
# Remove images
docker rmi image_name
docker image prune # Dangling images💡 Use specific tags instead of latest
⚠️ Prune regularly to save disk space
📌 Save images for offline transfer
✅ Always login before pushing