services:
  synapse:
    image: matrixdotorg/synapse:latest
    container_name: ${MATRIX_SYNAPSE_CONTAINER_NAME:-matrix-synapse}
    restart: unless-stopped
    depends_on:
      - postgres
    environment:
      SYNAPSE_SERVER_NAME: ${MATRIX_SERVER_NAME:-matrix.lab2025.duckdns.org}
      SYNAPSE_REPORT_STATS: "no"
    # federation disabled (user choice): client-only listener on 8008
    ports:
      - "${MATRIX_SYNAPSE_PORT:-8008}:8008"
    volumes:
      - ./synapse-data:/data
    networks:
      - matrix

  postgres:
    image: postgres:16-alpine
    container_name: ${MATRIX_POSTGRES_CONTAINER_NAME:-matrix-postgres}
    restart: unless-stopped
    environment:
      POSTGRES_DB: ${MATRIX_POSTGRES_DB:-synapse}
      POSTGRES_USER: ${MATRIX_POSTGRES_USER:-synapse}
      POSTGRES_PASSWORD: ${MATRIX_POSTGRES_PASSWORD}
      POSTGRES_INITDB_ARGS: "--encoding=UTF-8 --locale=C"
    volumes:
      - ./postgres-data:/var/lib/postgresql/data
    networks:
      - matrix

  element:
    image: vectorim/element-web:latest
    container_name: ${MATRIX_ELEMENT_CONTAINER_NAME:-matrix-element}
    restart: unless-stopped
    depends_on:
      - synapse
    ports:
      - "${MATRIX_ELEMENT_PORT:-8081}:80"
    volumes:
      # Must mount the FILE, not a directory (element-web reads /app/config.json)
      - ./element-config/config.json:/app/config.json
    networks:
      - matrix

networks:
  matrix:
    driver: bridge