Calibre container that works on old synology kernels

docker-compose.yaml

---
services:
  calibre:
    image: lscr.io/linuxserver/calibre:7.6.0
    container_name: calibre
    security_opt:
      - seccomp:unconfined #optional
    environment:
      - PUID=1027
      - PGID=1027
      - "TZ=Etc/UTC"
      - DOCKER_MODS=linuxserver/mods:universal-calibre
    ports:
      - 8080:8080
      - 8181:8181
      - 8081:8081
    restart: unless-stopped
    volumes:
      - ./config:/config
      - ./library:/library
      - ./fix_calibre_qt6.sh:/custom-cont-init.d/fix_calibre_qt6.sh:ro

fix_calibre_qt6.sh

#!/bin/bash

# fix qt6
apt-get update
apt-get install -y --no-install-recommends binutils
strip --remove-section=.note.ABI-tag /app/calibre/lib/libQt6*