build: Add "--no-cache-dir" to pip commands in Dockerfile

xuhdev · TimKnight-DWP · commit 0302078d1757 · 2024-04-24T10:18:16.000+01:00
This would not leave cache files in the built docker image.

Additionally, also only build the wheel in the build phase.

On my machine, before this PR, size is 74845395; after this PR, size is
72617713.
diff --git a/Dockerfile b/Dockerfile
@@ -3,16 +3,16 @@ FROM python:3.12-${PYTHON_FLAVOR} AS build
 
 WORKDIR /opt/python-gitlab
 COPY . .
-RUN pip install build && python -m build
+RUN pip install --no-cache-dir build && python -m build --wheel
 
 FROM python:3.12-${PYTHON_FLAVOR}
 
 LABEL org.opencontainers.image.source="https://github.com/python-gitlab/python-gitlab"
 
 WORKDIR /opt/python-gitlab
 COPY --from=build /opt/python-gitlab/dist dist/
-RUN pip install PyYaml
-RUN pip install $(find dist -name *.whl) && \
+RUN pip install --no-cache-dir PyYaml
+RUN pip install --no-cache-dir $(find dist -name *.whl) && \
     rm -rf dist/
 
 ENTRYPOINT ["gitlab"]
