.env

POSTGRES_DB=keycloak_db
POSTGRES_USER=keycloak_db_user
POSTGRES_PASSWORD=keycloak_db_user_password
KEYCLOAK_ADMIN=admin
KEYCLOAK_ADMIN_PASSWORD=password
PGADMIN_DEFAULT_EMAIL=[email protected]
PGADMIN_DEFAULT_PASSWORD=SuperSecret

docker-compose.yml

services:
  postgres:
    image: postgres:16.2
    container_name: postgres_keycloak
    volumes:
      - ./db-data:/var/lib/postgresql/data/
    environment:
      POSTGRES_DB: ${POSTGRES_DB}
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
    ports:
      - 5432:5432
    networks:
      - keycloak_network
  pgadmin:
    container_name: pgadmin_keycloak
    image: "dpage/pgadmin4:8.14"
    environment:
      # Default email for pgAdmin 4
      PGADMIN_DEFAULT_EMAIL: [email protected]
      # Password for pgAdmin 4
      PGADMIN_DEFAULT_PASSWORD: adminpassword
    ports:
      - 8081:80
    networks:
      - keycloak_network
    depends_on:
      - postgres
    volumes:
      - ./pgadmin-data:/var/lib/pgadmin
  keycloak:
    container_name: keycloak
    image: quay.io/keycloak/keycloak:23.0.6
    command: start
    environment:
      KC_HOSTNAME: localhost
      KC_HOSTNAME_PORT: 8080
      KC_HOSTNAME_STRICT_BACKCHANNEL: false
      KC_HTTP_ENABLED: true
      KC_HOSTNAME_STRICT_HTTPS: false
      KC_HEALTH_ENABLED: true
      KEYCLOAK_ADMIN: ${KEYCLOAK_ADMIN}
      KEYCLOAK_ADMIN_PASSWORD: ${KEYCLOAK_ADMIN_PASSWORD}
      KC_DB: postgres
      KC_DB_URL: jdbc:postgresql://postgres/${POSTGRES_DB}
      KC_DB_USERNAME: ${POSTGRES_USER}
      KC_DB_PASSWORD: ${POSTGRES_PASSWORD}
    ports:
      - 8080:8080
    restart: always
    depends_on:
      - postgres
    networks:
      - keycloak_network
networks:
  keycloak_network:
    driver: bridge