🐳Day 20 - Docker Cheat sheet for DevOps Engineer.

Sarika KambleSarika Kamble
2 min read

🐳Docker Basics:

  • docker version: Check Docker version.

  • docker info: Display system-wide information about Docker.

  • docker --help: Get help on Docker commands.

💽Images:

  • docker pull <image_name>: Download an image from Docker Hub or a registry.

  • docker images or docker image ls: List locally available images.

  • docker rmi <image_id>: Remove a local image.

  • docker build -t <image_name> <path_to_dockerfile>: Build a Docker image from a Dockerfile.

  • docker history <image_name>: Show the history of an image.

  • docker tag <image_id> <new_image_name>:<tag>: Tag an image for a specific version.

🚢Containers:

  • docker run -it <image_name>: Create and start a new container.

  • docker ps or docker container ls: List running containers.

  • docker ps -a or docker container ls -a: List all containers, including stopped ones.

  • docker start <container_id>: Start a stopped container.

  • docker stop <container_id>: Stop a running container.

  • docker restart <container_id>: Restart a container.

  • docker rm <container_id>: Remove a container.

  • docker exec -it <container_id> <command>: Run a command in a running container.

🌐Networking:

  • docker network ls: List Docker networks.

  • docker network create <network_name>: Create a new Docker network.

  • docker network connect <network_name> <container_id>: Connect a container to a network.

  • docker network disconnect <network_name> <container_id>: Disconnect a container from a network.

  • docker port <container_id>: List port mappings for a container.

🔊Volumes:

  • docker volume ls: List Docker volumes.

  • docker volume create <volume_name>: Create a new Docker volume.

  • docker run -v <volume_name>:<container_path> <image_name>: Mount a volume to a container.

  • docker cp <local_file> <container_id>:<container_path>: Copy files between a container and the host.

🗃️Registry and Repository:

  • docker login: Log in to a Docker registry.

  • docker logout: Log out from a Docker registry.

  • docker push <image_name>: Push an image to a registry.

  • docker pull <image_name>: Pull an image from a registry.

  • docker search <image_name>: Search for images on Docker Hub.

📝Docker Compose:

  • docker-compose up: Start containers defined in a docker-compose.yml file.

  • docker-compose down: Stop and remove containers defined in a docker-compose.yml file.

  • docker-compose ps: List containers in a docker-compose.yml file.

  • docker-compose logs: View container logs from a docker-compose.yml file.

  • docker-compose build: Build services defined in a docker-compose.yml file.

💡Miscellaneous:

  • docker logs <container_id>: View container logs.

  • docker stats <container_id>: Display a live stream of container resource usage.

  • docker top <container_id>: Display running processes in a container.

  • docker inspect <container_id>: View detailed information about a container.

  • docker-compose version: Show the Docker Compose version.

📚Happy Learning :)

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Written by

Sarika Kamble
Sarika Kamble

👋 Hello, and welcome to my DevOps journey! 🚀 I'm Sarika Kamble, passionate about all things AWS DevOps Technology. Currently, on a learning adventure, I'm here to share my journey and Blogs in the world of cloud and DevOps. I'll be sharing my learnings, experiences, and adventures as I dive deep into the world of continuous integration, automation, and cloud technologies. ☁️⚙️ Let's connect, learn, and grow as a vibrant DevOps community. Follow my Hashnode blog, and let's embrace the DevOps adventure together! 🤝🔗 Follow me on LinkedIn: https://www.linkedin.com/in/sarika-kamble-3153b3218/