docker-compose.yml

version: '3'
services:

  keycloak_db_sso:
    image: postgres:11.2-alpine
    environment:
        - POSTGRES_DB=${POSTGRES_DB}
        - POSTGRES_USER=${POSTGRES_USER}
        - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
        - POSTGRES_ROOT_PASSWORD=${POSTGRES_ROOT_PASSWORD}
    networks:
      service_sso_net:
    ports:
      - "${POSTGRES_PORT}:${POSTGRES_PORT}"
    volumes:
      - keycloak_sso_vol:/var/lib/postgresql/data

  keycloak:
    image: jboss/keycloak:7.0.1
    hostname: keycloak
    environment:
      - DB_VENDOR=${DB_VENDOR}
      - DB_ADDR=${DB_ADDR}
      - DB_DATABASE=${DB_DATABASE}
      - DB_PORT=${DB_PORT}
      - DB_USER=${DB_USER}
      - DB_SCHEMA=${DB_SCHEMA}
      - DB_PASSWORD=${POSTGRES_PASSWORD}
      - PROXY_ADDRESS_FORWARDING=${PROXY_ADDRESS_FORWARDING}
      - KEYCLOAK_LOGLEVEL=${KEYCLOAK_LOGLEVEL}
      - KEYCLOAK_USER=${KEYCLOAK_USER}
      - KEYCLOAK_PASSWORD=${KEYCLOAK_PASSWORD}
    networks:
      service_sso_net:
    ports:
      - "${KEYCLOAK_PORT}:8080"
    depends_on: 
      - keycloak_db_sso
  
  # for PHP example uncomment this service if using PHP
  service_app:
    build:
      context: ./service/php
      dockerfile: Dockerfile
    restart: always
    networks:
      service_sso_net:
    env_file: 
      - .env
    ports: 
      - ${SERVICE_PORT}:80
    volumes: 
      - ./service/php:/var/www/html/

networks:
  service_sso_net:

volumes: 
  keycloak_sso_vol: