认识
官网：https://flathub.org/en
文档：https://docs.flathub.org/
仓库：https://github.com/flathub
Flathub is the home of Flatpak applications. It is a community effort to provide a central place for people to discover, install and keep up to date with Flatpak applications. Flathub is a public repo of Flatpak applications. It is run by the community, and is not owned by any single company or individual. 简而言之，Flathub 是 Flatpak 的软件仓库，我们可以在其中搜索需要的应用。
构建
自建仓库：
- https://github.com/flatpak/flat-manager
- https://docs.flatpak.org/en/latest/hosting-a-repository.html