A flatpak sample

{
    "app-id": "com.febrezo.FlatpakTest",
    "runtime": "org.freedesktop.Platform",
    "runtime-version": "19.08",
    "sdk": "org.freedesktop.Sdk",
    "command": "hello.sh",
    "finish-args" : [
        "--share=network",
        "--share=ipc",
        "--socket=fallback-x11",
        "--socket=wayland"
    ],
    "modules": [
        {
            "name": "python-faces",
            "buildsystem": "simple",
            "build-commands": [
                "/usr/bin/pip3 install face_recognition --disable-pip-version-check --prefix=/app --verbose"
            ],
            "build-options": {
              "build-args": [
                "--share=network"
              ]
            },
            "sources": [],
            "post-install": []
        },
        {
            "name": "hello",
            "buildsystem": "simple",
            "build-commands": [
                "install -D hello.sh /app/bin/hello.sh"
            ],
            "sources": [
                {
                    "type": "file",
                    "path": "hello.sh"
                }
            ]
        }
    ]
}