chore: shave off another 20 MB from resulting image

docker/Dockerfile

@@ -1,39 +1,55 @@
 FROM python:3.10-slim-bullseye AS base
-#FROM debian:bullseye-slim AS base
 
 ARG libsim="http://download.savannah.nongnu.org/releases/simulavr/libsim_1.1.0_amd64.deb"
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    # non specific packages
-    git sudo swig wget supervisor virtualenv \
-    # klipper
-    avr-libc binutils-avr build-essential cmake gcc-avr \
-    # moonraker
-    python3-virtualenv python3-dev libopenjp2-7 python3-libgpiod \
-    curl libcurl4-openssl-dev libssl-dev liblmdb-dev \
-    libsodium-dev zlib1g-dev libjpeg-dev
-
-RUN cd /usr/src \
+    ### non specific packages
+    git \
+    sudo \
+    supervisor \
+    swig \
+    virtualenv \
+    wget \
+    ### klipper
+    avr-libc \
+    binutils-avr \
+    build-essential \
+    cmake \
+    gcc-avr \
+    ### moonraker
+    curl \
+    libcurl4-openssl-dev \
+    libjpeg-dev \
+    liblmdb-dev \
+    libopenjp2-7 \
+    libsodium-dev \
+    libssl-dev \
+    python3-dev \
+    python3-libgpiod \
+    python3-virtualenv \
+    zlib1g-dev \
+    ### libsim for simulavr
+    && cd /usr/src \
     && wget ${libsim} \
-    && apt-get install -y ./libsim_1.1.0_amd64.deb \
-    && rm -f libsim_1.1.0_amd64.deb
-
-### copy simulavr firmware config
-COPY simulavr.config /usr/src
-
+    && apt-get install -y --no-install-recommends \
+    ./libsim_1.1.0_amd64.deb \
+    ### clean up
+    && apt-get -y autoremove \
+    && apt-get clean \
+    && rm -f libsim_1.1.0_amd64.deb \
+    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
     ### add user "printer"
-RUN groupadd --force -g 1000 printer \
+    && groupadd --force -g 1000 printer \
     && useradd -rm -d /home/printer -g 1000 -u 1000 printer \
     && usermod -aG dialout,tty,sudo printer \
     && echo 'printer ALL=(ALL:ALL) NOPASSWD:ALL' >> /etc/sudoers.d/printer
 
-### cleanup
-RUN apt-get -y autoremove \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
-
+### copy all required files
+COPY simulavr.config /usr/src
 COPY supervisord.conf /etc/supervisor/supervisord.conf
 COPY start.sh /bin/start
+
+### make entrypoint executable
 RUN chmod +x /bin/start
 
 USER printer