klipper works in docker

docker-compose.yaml

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+version: '3.4'
+
+services:
+  klipper:
+    image: klipper:latest
+    build:
+      args:
+        VERSION: 319c36df52eb016667d13ab006cae3752d0212e7
+      dockerfile: klipper.Dockerfile
+      context: .
+      target: klippy
+    container_name: klipper
+    restart: unless-stopped
+    volumes:
+      - ./config:/opt/cfg
+      - run:/opt/run
+    devices:
+      - /dev/ttymxc3:/dev/ttymxc3
+
+volumes:
+  run:

klipper.Dockerfile

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+FROM python:2 as base
+
+ARG REPO=https://github.com/Klipper3d/klipper
+ARG VERSION=master
+
+WORKDIR /opt
+
+## Download Klipper
+RUN git clone ${REPO} klipper \
+ && cd klipper \
+ && git checkout ${VERSION}
+
+## Install klipper requirements
+RUN pip install -r klipper/scripts/klippy-requirements.txt
+
+## Compile Python code
+RUN python klipper/klippy/chelper/__init__.py
+
+## Create directories
+RUN mkdir run cfg
+
+## User & Permissions
+RUN groupadd klipper --gid 1000 \
+ && useradd klipper --uid 1000 --gid klipper \
+ && usermod klipper --append --groups dialout \
+ && chown -R klipper:klipper klipper run cfg
+
+## --- Targets ---
+
+## Start Klippy
+FROM base as klippy
+USER klipper
+ENTRYPOINT ["python"]
+CMD ["klipper/klippy/klippy.py", "-I", "run/klipper.tty", "-a", "run/klipper.sock", "cfg/printer.cfg"]
+
+## For building MCU Code
+FROM base as build
+RUN apt update \
+ && apt install build-essential libncurses-dev libnewlib-arm-none-eabi gcc-arm-none-eabi binutils-arm-none-eabi