Common Docker Commands
Start Docker
- Linux:
systemctl start docker - macOS:
open -a Docker
Check Docker Version
docker --version
Working with Containers
List Running Containers
docker ps
List All Containers (Running + Stopped)
docker ps -a
Run a Container (starts and attaches)
docker run <image_name>
Run in Detached Mode
docker run -d <image_name>
Run with Port Mapping
docker run -p <host_port>:<container_port> <image_name>
Stop a Running Container
docker stop <container_id>
Start a Stopped Container
docker start <container_id>
Remove a Stopped Container
docker rm <container_id>
Images
List Docker Images
docker images
Pull an Image from Docker Hub
docker pull <image_name>
Build an Image from Dockerfile
docker build -t <image_name> .
Tag an Image
docker tag <image_id> <new_image_name>:<tag>
Remove an Image
docker rmi <image_id>
Container Management
View Logs of a Container
docker logs <container_id>
Access a Running Container (Interactive Shell)
docker exec -it <container_id> /bin/bash
Copy Files from Container to Host
docker cp <container_id>:<path_inside_container> <host_path>
Docker Networks
List Networks
docker network ls
Create a Network
docker network create <network_name>
Connect a Running Container to a Network
docker network connect <network_name> <container_id>
Docker Compose
Start Services in Detached Mode
docker-compose up -d
Stop Services
docker-compose down
Build and Start Containers
docker-compose up --build
Inspecting and Monitoring
Inspect Container Details
docker inspect <container_id>
Display Resource Usage (CPU, Memory)
docker stats
Volumes
List Volumes
docker volume ls
Create a Volume
docker volume create <volume_name>
Mount a Volume (during docker run)
docker run -v <volume_name>:<path_inside_container> <image_name>
💡 Pro Tip
Use docker system prune to remove unused containers, networks, and images.