# WeKan with FerretDB 2 + PostgreSQL (DocumentDB extension)
#
# Use this compose file instead of docker-compose.yml on platforms where
# MongoDB Community Edition is not available, or when you prefer PostgreSQL
# as the backing store.
#
# Supported on all platforms where Node.js 22 runs:
#   linux/amd64, linux/arm64, linux/arm/v7, linux/ppc64le, linux/s390x
#
# Based on: docs/Databases/FerretDB2-PostgreSQL.md
#
# Setup:
#   docker compose -f docker-compose-ferretdb.yml up -d
#
# To stop:
#   docker compose -f docker-compose-ferretdb.yml stop

version: '3.8'

services:

  # PostgreSQL 17 with DocumentDB extension (FerretDB 2 backing store)
  # ghcr.io/ferretdb/postgres-documentdb is the official PostgreSQL image
  # pre-installed with the pg_documentdb extension required by FerretDB 2.
  postgres-documentdb:
    image: ghcr.io/ferretdb/postgres-documentdb:17
    restart: always
    environment:
      POSTGRES_USER: ferretdb
      POSTGRES_PASSWORD: ${FERRETDB_POSTGRES_PASSWORD:-ferretdb_secret}
      POSTGRES_DB: ferretdb
    volumes:
      - postgres-data:/var/lib/postgresql/data
    networks:
      - wekan-ferretdb

  # FerretDB 2 — MongoDB-compatible protocol layer over PostgreSQL
  ferretdb:
    image: ghcr.io/ferretdb/ferretdb:2
    restart: always
    environment:
      FERRETDB_POSTGRESQL_URL: postgres://ferretdb:${FERRETDB_POSTGRES_PASSWORD:-ferretdb_secret}@postgres-documentdb/ferretdb
    ports:
      # Expose the MongoDB-compatible port only on localhost for security.
      # Remove "127.0.0.1:" prefix if WeKan runs on a different host.
      - 127.0.0.1:27017:27017
    depends_on:
      - postgres-documentdb
    networks:
      - wekan-ferretdb

  # WeKan application
  wekan-app:
    image: ghcr.io/wekan/wekan:latest
    restart: always
    networks:
      - wekan-ferretdb
    ports:
      - 8080:8080
    environment:
      # FerretDB speaks the MongoDB wire protocol on port 27017.
      # The database name "wekan" is created automatically on first run.
      MONGO_URL: mongodb://ferretdb:${FERRETDB_POSTGRES_PASSWORD:-ferretdb_secret}@ferretdb:27017/wekan?authMechanism=PLAIN
      ROOT_URL: ${ROOT_URL:-http://localhost:8080}
      PORT: 8080
      WITH_API: true
      WRITABLE_PATH: /data
      # Mail settings (optional)
      MAIL_URL: ${MAIL_URL:-}
      MAIL_FROM: ${MAIL_FROM:-}
    volumes:
      - wekan-data:/data
    depends_on:
      - ferretdb

volumes:
  postgres-data:
  wekan-data:

networks:
  wekan-ferretdb:
    driver: bridge