name: percona-xtradb-cluster

x-pxc: &pxc
  image: percona/percona-xtradb-cluster:8.4
  restart: unless-stopped
  stop_grace_period: 2m

services:
  pxc-node1:
    <<: *pxc
    environment:
      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
      CLUSTER_NAME: pxc
      MYSQL_DATABASE: ${MYSQL_DATABASE:-app}
      MYSQL_USER: ${MYSQL_USER:-app}
      MYSQL_PASSWORD: ${MYSQL_PASSWORD}
    ports:
      - "3306:3306"
    volumes:
      - node1-data:/var/lib/mysql

  pxc-node2:
    <<: *pxc
    environment:
      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
      CLUSTER_NAME: pxc
      CLUSTER_JOIN: pxc-node1
    depends_on: [pxc-node1]
    volumes:
      - node2-data:/var/lib/mysql

  pxc-node3:
    <<: *pxc
    environment:
      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
      CLUSTER_NAME: pxc
      CLUSTER_JOIN: pxc-node1
    depends_on: [pxc-node1]
    volumes:
      - node3-data:/var/lib/mysql

volumes:
  node1-data:
  node2-data:
  node3-data: