docker-compose.yml

version: "3.8"

services:
  mail-watcher:
    image: python:3.12-slim
    container_name: mail_watcher
    working_dir: /app

    # Bind mounts for code/config/state
    volumes:
      - ./watcher.py:/app/watcher.py
      - ./requirements.txt:/app/requirements.txt
      - ./carriers.json:${CARRIERS_FILE}   # e.g., /app/carriers.json
      - ./state:/app/state                 # persists processed_uids.json + events.jsonl

    # Environment pulled from .env
    environment:
      # General app/env behavior
      PYTHONUNBUFFERED: ${PYTHONUNBUFFERED}
      TZ: ${TZ}

      # IMAP / Proton Bridge
      IMAP_SERVER: ${IMAP_SERVER}
      IMAP_PORT: ${IMAP_PORT}
      USE_SSL: ${USE_SSL}
      USE_STARTTLS: ${USE_STARTTLS}

      # Credentials (local Bridge username/password)
      EMAIL_ACCOUNT: ${EMAIL_ACCOUNT}
      EMAIL_PASSWORD: ${EMAIL_PASSWORD}

      # Mailboxes to scan (comma-separated)
      MAILBOXES: ${MAILBOXES}

      # Polling & timeouts
      CHECK_INTERVAL: ${CHECK_INTERVAL}
      CONNECT_TIMEOUT: ${CONNECT_TIMEOUT}

      # File paths (inside container)
      CARRIERS_FILE: ${CARRIERS_FILE}
      STATE_FILE: ${STATE_FILE}
      OUTPUT_JSONL: ${OUTPUT_JSONL}

      # Optional scoring keywords
      KEYWORDS: ${KEYWORDS}
      # Mail Options
      MARK_SEEN: ${MARK_SEEN}
      PROCESS_READ: ${PROCESS_READ}
      
    # Install deps and run the watcher (unbuffered)
    command: >
      sh -c "pip install -r /app/requirements.txt &&
             python -u /app/watcher.py"