klipper update

scripts/Dockerfile

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+# This is an example Dockerfile showing how it's possible to install Klipper in Docker.
+# IMPORTANT: The docker build must be run from the root of the repo, either copy the
+# Dockerfile to the root, or run docker build with "-f", for example:
+#       docker build . -f scripts/Dockerfile -t klipper
+# Note that the host still needs to run Linux to connect the printers serial port to
+# the container.
+# When running, the serial port of your printer should be connected, including an
+# argument such as:
+#       --device /dev/ttyUSB0:/dev/ttyUSB0
+# It's also required that your control program (eg: OctoPrint) be included in the same
+# container as Docker does not allow sharing of the virtual serial port outside the
+# container.
+# The config should be in a file named "printer.cfg" in a directory mounted at:
+#       /home/klippy/.config/
+# For more Dockerfile examples with Klipper (and Octoprint) see:
+# https://github.com/sillyfrog/OctoPrint-Klipper-mjpg-Dockerfile
+FROM ubuntu:18.04
+
+RUN apt-get update && \
+    apt-get install -y sudo
+
+# Create user
+RUN useradd -ms /bin/bash klippy && adduser klippy dialout
+USER klippy
+
+#This fixes issues with the volume command setting wrong permissions
+RUN mkdir /home/klippy/.config
+VOLUME /home/klippy/.config
+
+### Klipper setup ###
+WORKDIR /home/klippy
+
+COPY . klipper/
+USER root
+RUN echo 'klippy ALL=(ALL:ALL) NOPASSWD: ALL' > /etc/sudoers.d/klippy && \
+    chown klippy:klippy -R klipper
+# This is to allow the install script to run without error
+RUN ln -s /bin/true /bin/systemctl
+USER klippy
+RUN ./klipper/scripts/install-ubuntu-18.04.sh
+# Clean up install script workaround
+RUN sudo rm -f /bin/systemctl
+
+CMD ["/home/klippy/klippy-env/bin/python", "/home/klippy/klipper/klippy/klippy.py", "/home/klippy/.config/printer.cfg"]