plugin XEP-0060: use `xml_tools.parse` instead of `wokkel.generic.parseXml`: `xml_tools.parse` does a better parsing, as wokkel's `parseXml` may be missing text nodes.

version: "3.6"
services:

  sat:
    image: salutatoi/sat
    build: backend

  libervia:
    build: libervia
    depends_on:
      - sat