docker-compose.yaml

# Shared base configuration for Postgres nodes. Avoids duplication and keeps all nodes consistent.
# Note: This is a template, not a service.
x-node: &node
  image: citusdata/pg_auto_failover:v2.0-pg14
  volumes:
    - /var/lib/postgres
  environment:
    PGDATA: /var/lib/postgres/pgaf
    PGUSER: tutorial
    PGDATABASE: tutorial
    PG_AUTOCTL_HBA_LAN: true
    PG_AUTOCTL_AUTH_METHOD: "trust"
    PG_AUTOCTL_SSL_SELF_SIGNED: true
    PG_AUTOCTL_MONITOR: "postgresql://autoctl_node@monitor/pg_auto_failover"
  expose:
    - 5432
  networks:
    - aligned-network

volumes:
  postgres_data:

networks:
  aligned-network:
    name: aligned-network
    driver: bridge

name: aggregation-mode
services:
  postgres:
    image: postgres
    restart: always
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
      - PGDATA=/var/lib/postgresql/data/pgdata
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - 5435:5432
    networks:
      - aligned-network

  adminer:
    image: adminer
    restart: always
    depends_on:
      - postgres
    ports:
      - 8090:8080
    networks:
      - aligned-network

  monitor:
    image: citusdata/pg_auto_failover:v2.0-pg14
    volumes:
      - /var/lib/postgres
    environment:
      PGDATA: /var/lib/postgres/pgaf
      PG_AUTOCTL_SSL_SELF_SIGNED: true
    ports:
      - "5436:5432"
    command: |
      pg_autoctl create monitor --auth trust --run
    networks:
      - aligned-network

  node1:
    <<: *node
    hostname: node1
    command: >
      pg_autoctl create postgres
      --name node1
      --ssl-self-signed
      --ssl-mode require
      --auth trust
      --pg-hba-lan
      --run

  node2:
    <<: *node
    hostname: node2
    command: >
      pg_autoctl create postgres
      --name node2
      --ssl-self-signed
      --ssl-mode require
      --auth trust
      --pg-hba-lan
      --run