4 ENV PYTHONDONTWRITEBYTECODE 1
8 RUN apt-get install -y dirmngr
9 RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F23C5A6CF475977595C89F51BA6932366A755776
10 RUN echo "deb http://ppa.launchpad.net/deadsnakes/ppa/ubuntu xenial main" >> /etc/apt/sources.list
13 RUN apt-get install -y \
25 gobject-introspection \
26 libgirepository1.0-dev \