# Docker Cheat Sheet 🐳

## Docker Basic Commands 🚀

| Command | Description |
| --- | --- |
| `docker version` | Display Docker version information |
| `docker info` | Display system-wide Docker info |
| `docker pull <image>` | Download an image from Docker Hub |
| `docker images` | List all local images |
| `docker ps` | List running containers |
| `docker ps -a` | List all containers (including stopped) |
| `docker run <image>` | Create and start a container |
| `docker start <container>` | Start a stopped container |
| `docker stop <container>` | Stop a running container |
| `docker restart <container>` | Restart a running container |
| `docker exec -it <cont> <cmd>` | Run command in a running container |
| `docker rm <container>` | Remove a stopped container |
| `docker rmi <image>` | Remove an image |
| `docker logs <container>` | View logs from a container |
| `docker build -t <name> <path>` | Build an image from a Dockerfile |

## Dockerfile Commands 🏗️

| Command | Description |
| --- | --- |
| `FROM` | Set base image for subsequent commands |
| `RUN` | Execute command during image build |
| `COPY` or `ADD` | Copy files from host into the image |
| `WORKDIR` | Set working directory |
| `ENV` | Set environment variables |
| `EXPOSE` | Declare open ports at runtime |
| `CMD` | Specify default container command |
| `ENTRYPOINT` | Configure entry point for the container |
| `VOLUME` | Create mount point for external volumes |
| `USER` | Set user for subsequent commands |
| `LABEL` | Add metadata to the image |

## Docker Compose Commands 🛠️

| Command | Description |
| --- | --- |
| `docker-compose up` | Create and start containers |
| `docker-compose down` | Stop and remove containers |
| `docker-compose build` | Build or rebuild services |
| `docker-compose ps` | List running containers |
| `docker-compose logs` | View output logs from containers |
| `docker-compose exec <svc> <cmd>` | Run cmd in a running container |
| `docker-compose stop` | Stop services |
| `docker-compose start` | Start services |

## Docker Volumes Commands 📦

| Command | Description |
| --- | --- |
| `docker volume create <name>` | Create a named volume |
| `docker volume ls` | List all volumes |
| `docker volume inspect <name>` | Display detailed volume info |
| `docker volume ls -q` | List only volume names/IDs |
| `docker volume prune` | Remove all unused volumes |
| `docker volume rm <name>` | Remove a specific volume |
| `docker volume create --driver <name>` | Create a volume with driver |
| `docker run -v <vol>:<cont_path> <img>` | Mount volume in container |
| `docker run -v <host>:<cont_path> <img>` | Mount host dir in container |
| `docker run -v <vol>:/data <img>` | Mount volume at /data in container |
| `docker run --mount src=<vol>,target=<cont_path> <img>` | Alt. syntax |
| `docker volume create --label <k>=<v> <name>` | Create labeled volume |
| `docker volume prune --filter "label=<k>=<v>"` | Prune volumes based on label |

## Docker Networking Commands 🌐

| Command | Description |
| --- | --- |
| `docker network create <name>` | Create a custom network |
| `docker network ls` | List all networks |
| `docker network inspect <name>` | Display detailed network info |
| `docker network connect <net> <cont>` | Connect container to network |
| `docker network disconnect <net> <cont>` | Disconnect container |

---

Do check out the following blogs to understand the commands more:

1. [Docker for DevOps Engineers](https://keshavbathla.hashnode.dev/docker-for-devops-engineers)
    
2. [Docker Project for DevOps Engineers](https://keshavbathla.hashnode.dev/docker-project-for-devops-engineers)
    
3. [Mastering Docker Compose: Building Beautiful Two-Tier Projects and Beyond](https://keshavbathla.hashnode.dev/mastering-docker-compose-building-beautiful-two-tier-projects-and-beyond)
    
4. [Deep Dive into Docker: Unveiling Containerization, Networking, and Volumes](https://keshavbathla.hashnode.dev/deep-dive-into-docker-unveiling-containerization-networking-and-volumes)