🔧 Common Docker Commands

• Start Docker:

  systemctl start docker  # Linux
  open -a Docker  # macOS

• 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.

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