electron-cash in docker with hardware wallets

Dockerfile

FROM debian:testing
#FROM ubuntu:yakkety
MAINTAINER Michal Belica <devel@beli.sk>
EXPOSE 10000

# runs as UID 1000 GID 1000 inside the container

ENV VERSION 3.0

RUN apt-get update \
    && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends curl xpra python3-pyqt5 python3-pip python3-setuptools lzop liblz4-tool sudo

RUN curl -o /tmp/ElectronCash-${VERSION}.tar.gz https://electroncash.org/downloads/${VERSION}/win-linux/ElectronCash-${VERSION}.tar.gz \
    && cd /tmp \
    && mkdir .X11-unix \
    && pip3 install --upgrade pip \
    && pip3 install wheel \
    && pip3 install cython \
    && pip3 install rencode 

# install support for the hardware wallet plugins
RUN apt-get update \
    && apt-get install -y build-essential libpython3-dev libusb-1.0-0-dev libudev-dev \
#    && pip3 install --upgrade trezor \
    && pip3 install --upgrade keepkey \
    && pip3 install --upgrade btchip-python

RUN pip3 install /tmp/ElectronCash-${VERSION}.tar.gz \
    && test -f /usr/local/bin/electron-cash \
    && rm -vrf /tmp/ElectronCash-${VERSION}.tar.gz \
    && apt-get purge -y python3-pip python3-setuptools curl build-essential \
    && apt-get -y autoremove \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# disable starting of other programs in default xpra.conf
RUN sed -ie 's/^start-child/#start-child/' /etc/xpra/xpra.conf

RUN useradd -d /home/user -m user \
    && mkdir /electron-cash \
    && ln -s /electron-cash /home/user/.electron-cash \
    && chown user:user /electron-cash \
    && chmod 777 -R /electron-cash \
    && chown root:root /tmp/.X11-unix \
    && chmod 777 -R /tmp/.X11-unix
USER user
ENV HOME /home/user
WORKDIR /home/user
VOLUME /electron-cash

#CMD ["/usr/bin/xpra", "start", ":100", "--compressors=zlib,lz4", "--start-child=/usr/local/bin/electron-cash", "--bind-tcp=0.0.0.0:10000", "--no-daemon", "--no-notifications", "--no-mdns", "--no-pulseaudio", "--exit-with-children"]

CMD "/usr/local/bin/electron-cash"