mangaBookmark/docker-compose.yml

# Base stack — works standalone for local smoke testing (`docker compose up`).
# The service binds 127.0.0.1:8080; a host reverse proxy (nginx/Caddy/Traefik)
# terminates TLS for bookmark-api.<domain> and forwards to it.
#
# If your proxy runs in Docker on its own network, use the prod override which
# attaches to that network instead of publishing a port:
#   docker compose -f docker-compose.yml -f docker-compose.prod.yml up -d
#
# The browser is not here. It is its own unit on the home machine —
# chrome/docker-compose.yml — reached over the tailnet via BROWSER_WS_URL.

services:
  bookmark-api:
    build:
      context: ./backend
      args:
        COVER_DIR: ${COVER_DIR:?set COVER_DIR in .env}
    image: bookmarkmanager-backend:latest
    container_name: bookmark-api
    restart: unless-stopped
    environment:
      # TOKEN_KEY derives every Reader's userscript credential (issue #24) —
      # compose refuses to start without it.
      TOKEN_KEY: ${TOKEN_KEY:?set TOKEN_KEY in .env}
      # Owner's Discord user ID — required. Seeds the owner Reader (the
      # administrator); every other Reader registers on their first login.
      OWNER_DISCORD_ID: ${OWNER_DISCORD_ID:?set OWNER_DISCORD_ID in .env}
      ALLOWED_ORIGINS: ${ALLOWED_ORIGINS:-https://asuracomic.net,https://asurascans.com,https://demonicscans.org,https://comix.to,https://kagane.to,https://novelfull.com,https://lightnovelworld.net}
      # The bookmarks database. Host is the compose service name; the password
      # comes from .env so it is never committed.
      DATABASE_URL: ${DATABASE_URL:-postgres://bookmarks:${POSTGRES_PASSWORD:?set POSTGRES_PASSWORD in .env}@postgres:5432/bookmarks?sslmode=disable}
      # Required path inside the API. The build seeds ownership at this path
      # and the named volume below mounts there.
      COVER_DIR: ${COVER_DIR:?set COVER_DIR in .env}
      PORT: "8080"
      # Log timestamps only. Go's `log` stamps lines in local time, and this
      # service has no other use for a zone: bookmark timestamps are unix ms
      # and the two real time columns are timestamptz, both absolute instants.
      # Purely so these lines read on the same clock as the browser's. Named
      # API_TZ rather than TZ so an operator's exported shell TZ cannot leak
      # in; distroless already carries tzdata, so the name just resolves.
      TZ: ${API_TZ:-Asia/Jakarta}
      # Discord OAuth for the browser UI (ADR-0002). The first four are
      # required; DISCORD_REQUIRED_ROLE is optional and empty by default.
      # Guild membership is the whole gate: any member becomes a Reader.
      DISCORD_CLIENT_ID: ${DISCORD_CLIENT_ID:?set DISCORD_CLIENT_ID in .env}
      DISCORD_CLIENT_SECRET: ${DISCORD_CLIENT_SECRET:?set DISCORD_CLIENT_SECRET in .env}
      DISCORD_GUILD_ID: ${DISCORD_GUILD_ID:?set DISCORD_GUILD_ID in .env}
      DISCORD_REQUIRED_ROLE: ${DISCORD_REQUIRED_ROLE:-}
      DISCORD_API_BASE: ${DISCORD_API_BASE:-https://discord.com/api/v10}
      DISCORD_REDIRECT_URI: ${DISCORD_REDIRECT_URI:?set DISCORD_REDIRECT_URI in .env}
      # Path inside the container; matches the bindmount above.
      USERSCRIPT_PATH: ${USERSCRIPT_PATH:-/userscript/manga-bookmark.user.js}
      # Second script from the same bindmount; the novel library is a separate
      # Violentmonkey install.
      NOVEL_USERSCRIPT_PATH: ${NOVEL_USERSCRIPT_PATH:-/userscript/novel-bookmark.user.js}
      # Latest-chapter poller. LATEST_CHAPTER_POLL_ENABLED=0 in .env is the kill
      # switch; it only takes effect because these are listed here.
      LATEST_CHAPTER_POLL_ENABLED: ${LATEST_CHAPTER_POLL_ENABLED:-1}
      LATEST_CHAPTER_POLL_COOLDOWN: ${LATEST_CHAPTER_POLL_COOLDOWN:-1h}
      LATEST_CHAPTER_POLL_BROWSER_COOLDOWN: ${LATEST_CHAPTER_POLL_BROWSER_COOLDOWN:-6h}
      LATEST_CHAPTER_POLL_INTERVAL: ${LATEST_CHAPTER_POLL_INTERVAL:-10m}
      LATEST_CHAPTER_POLL_BATCH: ${LATEST_CHAPTER_POLL_BATCH:-14}
      LATEST_CHAPTER_POLL_STAGGER: ${LATEST_CHAPTER_POLL_STAGGER:-20s}
      # CDP endpoint for sites behind a JavaScript challenge (kagane,
      # novelfull). The browser is not part of this stack — it runs on the home
      # machine as its own unit (chrome/docker-compose.yml) and is reached over
      # the tailnet. Unset disables browser polling for those sites and serves
      # 404 from the cover proxy for covers not already stored; the userscript
      # still covers them. Set it in .env to ws://<home machine tailnet IP>:9222.
      #
      # Must be an IP, not a MagicDNS hostname: Chrome's DevTools HTTP handler
      # rejects the discovery request (GET /json/version) with a 500 unless the
      # Host header is an IP address or "localhost" — confirmed 2026-08-03,
      # independent of chromedp's own dial logic. The same trap that used to
      # force a pinned Docker IP now forbids the tailnet name.
      BROWSER_WS_URL: ${BROWSER_WS_URL:-}
    depends_on:
      # The migration runner is the first thing the binary does, so a Postgres
      # that is still initialising means a crash-loop until it is not.
      postgres:
        condition: service_healthy
    volumes:
      # The userscript is served from here, read fresh on every request. Editing
      # the file in this checkout takes effect on the next Violentmonkey poll —
      # no rebuild, no restart. `git pull` restores the committed version, which
      # is why a redeploy always ships the repo's script.
      - ./userscript:/userscript:ro
      # Content-addressed cover bytes survive API restarts and redeploys.
      - cover-data:${COVER_DIR:?set COVER_DIR in .env}
    # Bound to loopback only: the proxy (or curl during smoke test) reaches it,
    # the public internet does not.
    ports:
      - "127.0.0.1:8080:8080"
    # `default` is not decoration: `db` is `internal: true`, and a container on
    # nothing but an internal network gets neither a published port nor egress
    # — which would silently kill every poller fetch.
    networks:
      - default
      - db

  postgres:
    image: postgres:17-alpine
    restart: unless-stopped
    environment:
      POSTGRES_DB: bookmarks
      POSTGRES_USER: bookmarks
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?set POSTGRES_PASSWORD in .env}
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U bookmarks -d bookmarks"]
      interval: 5s
      timeout: 3s
      retries: 10
    volumes:
      - postgres-data:/var/lib/postgresql/data
    # Deliberately no `ports:` — only bookmark-api, over the `db` network,
    # reaches it. Use `docker compose exec postgres psql` for a shell.
    networks:
      - db

volumes:
  postgres-data:
  cover-data:
  # The pre-Postgres SQLite volume (bookmarks-data) is deliberately no longer
  # declared here: undeclared means `docker compose down -v` cannot take it
  # with the rest, so the old database survives the cutover until someone
  # removes it by hand.

networks:
  # Postgres needs no egress and nothing outside bookmark-api needs to reach
  # it, so this one really can be cut off from the outside world.
  db:
    internal: true