If you set it’s download folder in the .env to the same as the ingestion folder for Calibre, it’ll just show up. Set -no-browser-downloads and it’ll just drop that into the folder and won’t prompt you to save it manually.

---
version: "2.1"
services:
  calibre:
    image: lscr.io/linuxserver/calibre:latest
    container_name: calibre
    environment:
      - PUID=0
      - PGID=0
      - TZ=America/Denver
    security_opt:
      - seccomp=unconfined
    volumes:
      - ./data:/config
    ports:
      - 7080:8080
      - 7081:8081
      - 7181:8181
    restart: unless-stopped
    labels:
      - com.centurylinklabs.watchtower.enable=true

  openbooks:
    ports:
      - 7082:80
    volumes:
      - './data/:/books'
    restart: unless-stopped
    container_name: calibre-openbooks
#    command: --persist
    command: --name asdasuu6ghgf --persist --no-browser-downloads
    environment:
      - BASE_PATH=/
    image: evanbuss/openbooks:latest
    labels:
      - com.centurylinklabs.watchtower.enable=true