Docker

• Official: https://docs.docker.com/engine/install/debian
• https://www.it-connect.fr/installation-pas-a-pas-de-docker-sur-debian-11

Debian

Install dependencies

sudo apt-get install apt-transport-https ca-certificates curl gnupg2 software-properties-common

Add Docker’s official GPG key

sudo curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

Add Docker’s stable repository

sudo echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list

Update APT and install Docker

sudo apt-get update && sudo apt-get install docker-ce docker-ce-cli containerd.io

Add user to docker group

sudo usermod -aG docker $USER

Reboot

sudo reboot

Check Docker service

sudo systemctl status docker

Commands

• docker ps: list containers
• docker ps -a: list all containers
• docker --version: show version
• docker images: list images
• docker rm [ID]: remove container
• docker rmi [ID]: remove image
• docker run -it [IMAGE]: run image
• docker run -it --rm [IMAGE]: run image and remove it after exit
• docker run -it --rm -v [HOST_PATH]:[CONTAINER_PATH] [IMAGE]: run image and mount volume
• docker run -it --rm -v [HOST_PATH]:[CONTAINER_PATH] -p [HOST_PORT]:[CONTAINER_PORT] [IMAGE]: run image and mount volume and expose port

Dockerfile

FROM [IMAGE]

RUN [COMMAND]

WORKDIR [PATH]

COPY [HOST_PATH] [CONTAINER_PATH]

CMD [COMMAND]

Docker Compose

• https://docs.docker.com/compose/install

sudo curl -L ""

Commands

• docker-compose up: start containers
• docker-compose up -d: start containers in background
• docker-compose down: stop containers
• docker-compose down -v: stop containers and remove volumes
• docker-compose logs: show logs
• docker-compose logs -f: show logs in real time
• docker-compose exec [SERVICE] [COMMAND]: execute command in service
• docker-compose exec [SERVICE] sh: execute shell in service
• docker-compose exec [SERVICE] bash: execute bash in service
• docker-compose exec [SERVICE] mysql -u [USER] -p: execute mysql in service

Docker Compose file

version: "3.9"

services:
  [SERVICE]:
    image: [IMAGE]
    container_name: [NAME]
    restart: [always|no|on-failure]
    ports:
      - "[HOST_PORT]:[CONTAINER_PORT]"
    volumes:
      - "[HOST_PATH]:[CONTAINER_PATH]"
    environment:
      - [KEY]=[VALUE]
    depends_on:
      - [SERVICE]