Docker – Commands
Docker provides a powerful CLI (Command Line Interface) to manage containers, images, networks, and volumes. Knowing essential Docker commands helps you efficiently run and maintain containerized applications.
Container Commands
docker run– Run a new container from an image.docker ps– List running containers.docker ps -a– List all containers including stopped ones.docker stop <container_name>– Stop a running container.docker start <container_name>– Start a stopped container.docker restart <container_name>– Restart a container.docker exec -it <container_name> bash– Access container shell.docker logs <container_name>– View container logs.
Image Commands
docker images– List all Docker images.docker pull <image_name>– Download an image from a registry.docker build -t <image_name> .– Build an image from Dockerfile.docker rmi <image_name>– Remove a Docker image.
Volume Commands
docker volume create <volume_name>– Create a new volume.docker volume ls– List all volumes.docker volume inspect <volume_name>– Inspect volume details.docker volume rm <volume_name>– Remove a volume.
Network Commands
docker network ls– List all networks.docker network create <network_name>– Create a new network.docker network inspect <network_name>– Inspect network details.docker network rm <network_name>– Remove a network.
Other Useful Commands
docker system prune– Clean up unused containers, images, and networks.docker stats– Display running container resource usage.docker info– Show Docker system information.docker version– Show Docker client and server version.
Best Practices for Docker Commands
- Always check running containers before stopping or removing them.
- Use descriptive names for containers and volumes for easy management.
- Prune unused resources regularly to save disk space.
- Combine commands with scripts for automation and CI/CD pipelines.
- Use Docker Compose for managing multiple containers efficiently.
Conclusion
Mastering Docker commands allows you to efficiently manage containers, images, networks, and volumes. Using best practices and proper CLI knowledge ensures smooth development and production workflows.
