docker-compose.yml

version: '3'

services:
  pg-master:
    build: '.'
    image: 'pg-wal'
    restart: 'always'
    cap_add:
      - NET_ADMIN
    ports:
      - "5432:5432"
    expose:
     - '5432'
    volumes:
       - '/var/lib/postgresql/data'
       - ./docker/master.env:/app.env
       - ./main.py:/app/main.py
       - ./agent.py:/app/agent.py
  pg-slave:
    build: '.'
    image: 'pg-wal'
    restart: 'always'
    cap_add:
      - NET_ADMIN
    ports:
      - "5433:5432"
    expose:
     - '5432'
    volumes:
      - '/var/lib/postgresql/data'
      - ./docker/slave.env:/app.env
      - ./main.py:/app/main.py
      - ./agent.py:/app/agent.py
    links:
     - 'pg-master'
  pg-arbiter:
    build: '.'
    image: 'pg-wal'
    restart: 'always'
    cap_add:
      - NET_ADMIN
    expose:
     - '5000'
     - '5432'
    volumes:
      - '/var/lib/postgresql/data'
      - ./docker/arbiter.env:/app.env
      - ./main.py:/app/main.py
      - ./agent.py:/app/agent.py