OP here, thanks for the comment. fpm is a great tool: PKGR is based on https://github.com/crohr/pkgr https://github.com/crohr/pkgr, which itself uses fpm. That

OP here, thanks for the comment. fpm is a great tool: PKGR is based on https://github.com/crohr/pkgr https://github.com/crohr/pkgr, which itself uses fpm. That being said, you indeed need to make sure your build system is close to your target system, and it is not that easy to package complex apps with specific dependencies. Generally, (Web) Application packaging does not have the same needs as OS packaging.