fix(kubernetes): add kubernetes requirements

Dockerfile

@@ -9,6 +9,8 @@ ENV PYTHONUNBUFFERED=1 \
 # As the k8s Python client does not yet support k8s 1.32, the updated client has been temporarily moved to the repo.
 # So the installation is currently not needed.
 # RUN pip install kubernetes
+# COPY main.py /
 
-COPY main.py /
-CMD python /main.py
+RUN pip install -r kubernetes/requirements.txt
+
+CMD python main.py

kubernetes/requirements.txt

@@ -0,0 +1,12 @@
+certifi>=14.05.14 # MPL
+six>=1.9.0  # MIT
+python-dateutil>=2.5.3  # BSD
+setuptools>=21.0.0  # PSF/ZPL
+pyyaml>=5.4.1  # MIT
+google-auth>=1.0.1  # Apache-2.0
+websocket-client>=0.32.0,!=0.40.0,!=0.41.*,!=0.42.* # LGPLv2+
+requests # Apache-2.0
+requests-oauthlib # ISC
+oauthlib>=3.2.2 # BSD
+urllib3>=1.24.2  # MIT
+durationpy>=0.7 # MIT