services: postgres: image: postgres:16 container_name: keycloakpostgres hostname: keycloakpostgres volumes: - ./postgres_data:/var/lib/postgresql/data environment: POSTGRES_DB: ${POSTGRES_DB} POSTGRES_USER: ${POSTGRES_USER} POSTGRES_PASSWORD: ${POSTGRES_PASSWORD} networks: - keycloak-network networks: keycloak-network: external: true