docker-compose.yaml

version: "3"
services:
  patroni_etcd:
    container_name: patroni_etcd
    image: dalongrong/patroni
    command: --etcd
  dbnode1:
    image: dalongrong/patroni
    hostname: dbnode1
    ports:
    - "5432:5432"
    - "8008:8008"
    links:
        - patroni_etcd:patroni_etcd
    volumes:
        - ./patroni:/patroni
    env_file: docker/patroni-secrets.env
    environment:
        PATRONI_ETCD_URL: http://patroni_etcd:2379
        PATRONI_NAME: dbnode1
        PATRONI_SCOPE: testcluster

  dbnode2:
    image: dalongrong/patroni
    hostname: dbnode2
    ports:
    - "5433:5432"
    - "8009:8008"
    links:
        - patroni_etcd:patroni_etcd
    volumes:
        - ./patroni:/patroni
    env_file: docker/patroni-secrets.env
    environment:
        PATRONI_ETCD_URL: http://patroni_etcd:2379
        PATRONI_NAME: dbnode2
        PATRONI_SCOPE: testcluster

  dbnode3:
    image: dalongrong/patroni
    hostname: dbnode3
    ports:
    - "5434:5432"
    - "8010:8008"
    links:
        - patroni_etcd:patroni_etcd
    volumes:
        - ./patroni:/patroni
    env_file: docker/patroni-secrets.env      
    environment:
        PATRONI_ETCD_URL: http://patroni_etcd:2379
        PATRONI_NAME: dbnode3
        PATRONI_SCOPE: testcluster
  
  haproxy:
    image: dalongrong/patroni
    links:
        - patroni_etcd:patroni_etcd
    ports:
        - "5000:5000"
        - "5001:5001"
        - "7000:7000"
    environment:
        PATRONI_ETCD_URL: http://patroni_etcd:2379
        PATRONI_SCOPE: testcluster
    command: --confd
  graphql-engine:
    image: hasura/graphql-engine:v1.0.0-alpha30
    ports:
    - "8080:8080"
    environment:
    - "POSTGRES_PASSWORD:postgres"
    command: >
      /bin/sh -c "
      graphql-engine --database-url postgres://postgres:postgres@haproxy:5000/postgres serve --enable-console;
      "