```bash
diff -c cps/templates/remote_login.html ../calibre-web/cps/templates/remote_login.html > remote_login.patch
```

Build the image on macOS with orbstack docker:
```bash
docker build . --platform linux/amd64  --debug
```

```bash
docker build . --no-cache --load --platform linux/amd64  2>&1 | tee build.log 
```

```bash
diff -Naur <original_file> <new_file> > <patch_filename>.patch
```