diff --git a/servers/media-core/bookorbit/README.md b/servers/media-core/bookorbit/README.md
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+# BookOrbit on media-core
+
+- Web: `http://192.168.50.46:3000`
+- Book library: `/mnt/truenas/multimedia/books` -> `/books`
+- Book Dock: `/mnt/truenas/multimedia/curator/staging/bookorbit` -> `/book-dock`
+- App data: `/opt/media-core/appdata/bookorbit/app`
+- PostgreSQL: `/opt/media-core/appdata/bookorbit/postgres`
+- Secrets: `/opt/media-core/appdata/bookorbit/secrets` (`0600`, not in Git)
+
+Create the first library with container path `/books`. Do not later widen or replace that root without a database backup and a tested migration: BookOrbit currently has an open issue where root-folder changes can duplicate books or lose metadata and reading progress.
+
+The existing Curator and BookOrbit share the final book files, but they do not share databases. During the initial evaluation, keep BookOrbit automatic file rename and metadata write-back disabled. Use Book Dock for reviewed imports and retain Curator as the control ledger until BookOrbit integration is explicitly designed.
+
+Before upgrades, create a PostgreSQL dump and back up `/opt/media-core/appdata/bookorbit/app`. Image tags are descriptive and digests are authoritative.
diff --git a/servers/media-core/bookorbit/compose.yaml b/servers/media-core/bookorbit/compose.yaml
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+x-arcane:
+  icon: bookorbit
+  urls:
+    - https://bookorbit.app/
+
+services:
+  app:
+    image: ghcr.io/bookorbit/bookorbit:3.1.0@sha256:78b6eac18306eb7eba0dbf6592ecdee01b15f24de9a941cb853db4a0232d7999
+    container_name: bookorbit-app
+    restart: unless-stopped
+    init: true
+    depends_on:
+      postgres:
+        condition: service_healthy
+    ports:
+      - "3000:3000"
+    environment:
+      NODE_ENV: production
+      PORT: "3000"
+      APP_URL: http://192.168.50.46:3000
+      CLIENT_URL: http://192.168.50.46:3000
+      POSTGRES_HOST: postgres
+      POSTGRES_PORT: "5432"
+      POSTGRES_USER: bookorbit
+      POSTGRES_DB: bookorbit
+      POSTGRES_PASSWORD_FILE: /run/secrets/postgres_password
+      JWT_SECRET_FILE: /run/secrets/jwt_secret
+      PODCAST_ENCRYPTION_KEY_FILE: /run/secrets/podcast_encryption_key
+      SETUP_BOOTSTRAP_TOKEN_FILE: /run/secrets/setup_bootstrap_token
+      EMAIL_ENCRYPTION_KEY_FILE: /run/secrets/email_encryption_key
+      MIGRATION_ENCRYPTION_KEY_FILE: /run/secrets/migration_encryption_key
+      BOOK_REQUEST_ENCRYPTION_KEY_FILE: /run/secrets/book_request_encryption_key
+      TZ: Asia/Shanghai
+      PUID: "1000"
+      PGID: "1000"
+      NODE_MAX_OLD_SPACE_SIZE: "2048"
+      BOOK_DOCK_PATH: /book-dock
+      LIBRARY_BROWSE_ROOT: /books
+      DISABLE_LOCAL_AUTH: "false"
+    volumes:
+      - type: bind
+        source: /mnt/truenas/multimedia/books
+        target: /books
+        bind:
+          create_host_path: false
+      - type: bind
+        source: /mnt/truenas/multimedia/curator/staging/bookorbit
+        target: /book-dock
+        bind:
+          create_host_path: false
+      - type: bind
+        source: /opt/media-core/appdata/bookorbit/app
+        target: /data
+        bind:
+          create_host_path: false
+    secrets:
+      - postgres_password
+      - jwt_secret
+      - podcast_encryption_key
+      - setup_bootstrap_token
+      - email_encryption_key
+      - migration_encryption_key
+      - book_request_encryption_key
+    read_only: true
+    tmpfs:
+      - /tmp
+    cap_drop:
+      - ALL
+    cap_add:
+      - CHOWN
+      - DAC_OVERRIDE
+      - FOWNER
+      - SETGID
+      - SETUID
+    security_opt:
+      - no-new-privileges:true
+    healthcheck:
+      test:
+        - CMD
+        - node
+        - -e
+        - const p=process.env.PORT||3000;fetch('http://127.0.0.1:'+p+'/api/v1/health').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))
+      interval: 30s
+      timeout: 5s
+      retries: 5
+      start_period: 60s
+    stop_grace_period: 30s
+    labels:
+      com.getarcaneapp.arcane.icon: bookorbit
+    logging:
+      driver: json-file
+      options:
+        max-size: 10m
+        max-file: "3"
+
+  postgres:
+    image: pgvector/pgvector:pg18@sha256:2ba9ca5f2e7daa0f0e7723cba1ee9167bab54efd3640516a44ac1a928dd67e7a
+    container_name: bookorbit-db
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: bookorbit
+      POSTGRES_PASSWORD_FILE: /run/secrets/postgres_password
+      POSTGRES_DB: bookorbit
+      PGDATA: /var/lib/postgresql/data/pgdata
+      TZ: Asia/Shanghai
+    volumes:
+      - type: bind
+        source: /opt/media-core/appdata/bookorbit/postgres
+        target: /var/lib/postgresql/data
+        bind:
+          create_host_path: false
+    secrets:
+      - postgres_password
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U \"$$POSTGRES_USER\" -d \"$$POSTGRES_DB\""]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+      start_period: 30s
+    security_opt:
+      - no-new-privileges:true
+    stop_grace_period: 60s
+    labels:
+      com.getarcaneapp.arcane.icon: postgres
+    logging:
+      driver: json-file
+      options:
+        max-size: 10m
+        max-file: "3"
+
+secrets:
+  postgres_password:
+    file: /opt/media-core/appdata/bookorbit/secrets/postgres_password
+  jwt_secret:
+    file: /opt/media-core/appdata/bookorbit/secrets/jwt_secret
+  podcast_encryption_key:
+    file: /opt/media-core/appdata/bookorbit/secrets/podcast_encryption_key
+  setup_bootstrap_token:
+    file: /opt/media-core/appdata/bookorbit/secrets/setup_bootstrap_token
+  email_encryption_key:
+    file: /opt/media-core/appdata/bookorbit/secrets/email_encryption_key
+  migration_encryption_key:
+    file: /opt/media-core/appdata/bookorbit/secrets/migration_encryption_key
+  book_request_encryption_key:
+    file: /opt/media-core/appdata/bookorbit/secrets/book_request_encryption_key