Importing keycloak configuration files while using docker-compose

Explanation

First you need to copy the file into your container before you can import it into Keycloak. You could place your realm-export.json in a folder next to the docker-compose.yml, lets say we call it imports. This can be achieved using volumes:. Once the file has been copied into the container then you can use command: as you were before, pointing at the correct file within the container.

File Structure

/your_computer/keycloak_stuff/
|– docker-compose.yml
|– imports -> realm-export.json

Docker-Compose

This is how the docker-compose.yml should look with the changes:

postgres:
    image: postgres
    volumes:
      - postgres_data:/var/lib/postgresql/data
    environment:
      POSTGRES_DB: keycl0ak
      POSTGRES_USER: keycl0ak
      POSTGRES_PASSWORD: password
    ports:
      - 5431:5431

  keycloak:
    build:
      context: services/keycloak
    volumes:
      - ./imports:/opt/jboss/keycloak/imports
    command: 
      - "-b 0.0.0.0 -Dkeycloak.import=/opt/jboss/keycloak/imports/realm-export.json"
    environment:
      DB_VENDOR: POSTGRES
      DB_ADDR: postgres
      DB_DATABASE: keycl0ak
      DB_USER: keycl0ak
      DB_PASSWORD: password
      KEYCLOAK_USER: administrat0r
      KEYCLOAK_PASSWORD: asc88a8c0ssssqs
    ports:
      - 8080:8080
    depends_on:
      - postgres

volumes:
    postgres_data:
      driver: local