how to set up docker

by Hao Chen
~1 min read

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Docker

  • install docker :see_no_evil:

  • install the latest version of docker compose 
      COMPOSE_VERSION=$(curl -s https://api.github.com/repos/docker/compose/releases/latest | grep 'tag_name' | cut -d\" -f4)
  curl -L "https://github.com/docker/compose/releases/download/${COMPOSE_VERSION}/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
  chmod +x /usr/local/bin/docker-compose
  ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
  docker-compose --version

  • how to use systemd to run docker compose

      cat > /etc/systemd/system/docker-compose@.service <<EOF
  [Unit]
  Description=%i service with docker compose
  Requires=docker.service
  After=docker.service
    
  [Service]
  Type=oneshot
  RemainAfterExit=true
  WorkingDirectory=/root/appdata/%i
  ExecStart=/usr/local/bin/docker-compose up -d
  ExecStop=/usr/local/bin/docker-compose down
    
  [Install]
  WantedBy=multi-user.target
  EOF

      cat > /etc/systemd/system/docker-compose-app.service <<EOF
  [Unit]
  Description=Docker Compose Application Service
  Requires=docker.service
  After=docker.service
    
  [Service]
  WorkingDirectory=/root
  ExecStart=/usr/bin/docker-compose up
  ExecStop=/usr/bin/docker-compose down
  TimeoutStartSec=0
  Restart=on-failure
  StartLimitIntervalSec=60
  StartLimitBurst=3
    
  [Install]
  WantedBy=multi-user.target
  EOF

      sudo systemctl enable docker-compose@<dir-name>
  sudo systemctl create docker-compose@<dir-name>
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