docker-keycloak-server/docker-compose.yml

version: '2.0'
services:
  postgresql:
    image: postgres:12.2
    container_name: keycloak-postgresql
#    restart: unless-stopped
    volumes:
      - ./data/postgresql/data/:/var/lib/postgresql/data/
    environment:
      TZ: ${TIMEZONE}
      POSTGRES_DB: ${PG_DB}
      POSTGRES_USER: ${PG_USER}
      POSTGRES_PASSWORD: ${PG_PASSWORD}
    networks:
      main.internal.docker:
        aliases:
          - postgresql.main.internal.docker

  keycloak:
    image: quay.io/keycloak/keycloak:11.0.2
    container_name: keycloak-keycloak
#    restart: unless-stopped
    networks:
      main.internal.docker:
        aliases:
          - keycloak.main.internal.docker
    environment:
      TZ: ${TIMEZONE}
      DB_VENDOR: POSTGRES
      DB_ADDR: ${PG_HOST}
      DB_DATABASE: ${PG_DB}
      DB_USER: ${PG_USER}
      DB_SCHEMA: ${PG_SCHEMA}
      DB_PASSWORD: ${PG_PASSWORD}
      KEYCLOAK_USER: ${KC_USER}
      KEYCLOAK_PASSWORD: ${KC_PASSWORD}
      PROXY_ADDRESS_FORWARDING: 'true'
    ports:
      - 0.0.0.0:35220:8080/tcp
#    volumes:
#      - ./data/keycloak/themes/my_theme/:/opt/jboss/keycloak/themes/my_theme/
    depends_on:
      - postgresql
networks:
  main.internal.docker: