Prune Docker image

netkan/Dockerfile

@@ -1,4 +1,18 @@
-FROM python:3.11 as base
+FROM ubuntu:latest as ubuntu_with_python
+
+# Don't prompt for time zone
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install Git and Python
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+        git libffi-dev openssh-client \
+        python3 python-is-python3 \
+    && apt-get clean
+
+FROM ubuntu_with_python as base
+RUN apt-get install -y --no-install-recommends \
+    python3-pip python3-setuptools python3-dev
 RUN useradd -ms /bin/bash netkan
 ADD . /netkan
 WORKDIR /netkan
@@ -7,8 +21,8 @@ RUN chown -R netkan:netkan /netkan
 USER netkan
 RUN pip install --user . --no-warn-script-location
 
-FROM python:3.11 as production
-COPY --from=base /home/netkan /home/netkan
+FROM ubuntu_with_python as production
+COPY --from=base /home/netkan/.local /home/netkan/.local
 RUN useradd -Ms /bin/bash netkan
 RUN chown -R netkan:netkan /home/netkan
 WORKDIR /home/netkan
@@ -21,6 +35,8 @@ CMD ["--help"]
 
 FROM production as test
 USER root
+RUN apt-get install -y --no-install-recommends \
+    python3-pip python3-setuptools python3-dev
 RUN pip install pip --upgrade
 ADD . /netkan
 RUN chown -R netkan:netkan /netkan
@@ -31,6 +47,8 @@ RUN /home/netkan/.local/bin/pytest -v
 
 FROM production as dev
 USER root
+RUN apt-get install -y --no-install-recommends \
+    python3-pip python3-setuptools python3-dev
 RUN pip install pip --upgrade
 ADD . /netkan
 RUN chown -R netkan:netkan /netkan