services:
  bot:
    build:
      context: .
    # Or pin a prebuilt image instead of building:
    #   image: ghcr.io/tiennm99/miti99bot:latest
    restart: unless-stopped
    environment:
      # --- Required ---
      TELEGRAM_BOT_TOKEN: ${TELEGRAM_BOT_TOKEN}
      MONGO_URL: ${MONGO_URL}              # Atlas SRV string incl. credentials — SECRET
      MONGO_DATABASE: ${MONGO_DATABASE}
      # --- Operational ---
      MODULES: ${MODULES}                  # CSV; empty = all modules
      OWNER_ID: ${OWNER_ID}                # Telegram user id for owner-only commands
      ADMIN_IDS: ${ADMIN_IDS}              # CSV of admin Telegram user ids
      # The bundled renderer service below draws /wheelofnames, /gacha and
      # /genshin. Its base URL is fixed to the in-network address so a stale
      # platform-level value cannot point the bot elsewhere; the bot appends
      # each /api/<name> route itself.
      RENDERER_URL: http://renderer:3000
      # SOURCE_COMMIT is intentionally not declared here. Coolify provides it
      # at runtime via its generated env file; declaring it here with Compose
      # interpolation can override the runtime value with an empty string.
      # Storage auto-selects mongodb because MONGO_URL is set — no KV_PROVIDER.
      # The in-process cron scheduler runs by default — no CRON_MODE.
      # PORT defaults to 8080 (internal health server) — omit unless overriding.
      # Long polling = no TELEGRAM_WEBHOOK_SECRET, no /webhook, no public domain.
      # Cron is in-process only — there is no /cron HTTP route and no secret.
      # No stock/coin/gold URL env overrides — modules use their coded default
      # providers (stock: SSI/VCI/KBS; coin: Binance->Coinbase->CoinGecko;
      # gold: VNAppMob). If GOLD_VNAPP_API_KEY is unset, the bot auto-fetches
      # and caches a key to Mongo.
    # Long polling is outbound-only: nothing inbound to route, so no published
    # ports and no public domain. `expose` only documents the health server's
    # port; it publishes nothing on the host.
    expose:
      - "8080"
    # Coolify's UI health check does not apply to Docker Compose apps; it reads
    # this block instead. GET / returns text/plain "miti99bot ok". It proves the
    # process is serving, not that Mongo is reachable — see
    # docs/deploy-coolify-selfhosted.md. busybox wget ships in the Alpine image.
    healthcheck:
      test: ["CMD-SHELL", "wget -q -O /dev/null http://127.0.0.1:8080/ || exit 1"]
      interval: 30s
      timeout: 5s
      retries: 3
      start_period: 20s

  # Animation renderer (Node + Remotion + headless Chrome) from renderer/.
  # Internal only: the bot reaches it over the compose network, so it has no
  # published port, no public domain, and no auth token. Never publish a port
  # or attach a domain to it — its API is unauthenticated.
  renderer:
    build:
      context: ./renderer
    restart: unless-stopped
    environment:
      NODE_ENV: production
      # Every renderer setting carries the RENDERER_ prefix so it reads as a
      # renderer setting and cannot clash with the bot's variables.
      RENDERER_HOST: 0.0.0.0
      RENDERER_PORT: "3000"   # keep in sync with the bot's RENDERER_URL and the healthcheck
      # Tuning is left out on purpose: the renderer's own defaults apply
      # (RENDERER_MAX_CONCURRENT_RENDERS=1, RENDERER_RENDER_TIMEOUT_MS=15000,
      # RENDERER_MAX_OPTIONS=32, RENDERER_MAX_OPTION_CHARS=40). Coolify lists
      # every ${VAR} referenced here as a setting, so to override one, add it
      # here as a literal, e.g. RENDERER_MAX_OPTIONS: "48".
    expose:
      - "3000"
    healthcheck:
      test: ["CMD-SHELL", "node -e \"fetch('http://127.0.0.1:3000/api/healthz').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))\""]
      interval: 30s
      timeout: 5s
      retries: 3