Minimal Python container to build `az aro` extension (#3490)

* Add build container for az aro extension

Dockerfile.ci-azext-aro

@@ -0,0 +1,12 @@
+FROM mcr.microsoft.com/azure-cli:2.61.0 AS builder
+
+RUN pip install pytest
+COPY /python /data/
+
+WORKDIR /data/az/aro
+RUN pytest --ignore=azext_aro/tests/latest/integration
+RUN python3 setup.py bdist_wheel
+
+FROM mcr.microsoft.com/azure-cli:2.61.0-cbl-mariner2.0 AS final
+COPY --from=builder /data/az/aro/dist /opt/az
+RUN az extension add --yes --source /opt/az/aro-*-py2.py3-none-any.whl

Makefile

@@ -67,6 +67,10 @@ az: pyenv
 	python3 ./setup.py bdist_wheel || true && \
 	rm -f ~/.azure/commandIndex.json # https://github.com/Azure/azure-cli/issues/14997
 
+.PHONY: azext-aro
+azext-aro:
+	docker build --platform=linux/amd64 . -f Dockerfile.ci-azext-aro --no-cache=$(NO_CACHE) -t azext-aro:latest
+
 clean:
 	rm -rf python/az/aro/{aro.egg-info,build,dist} aro
 	find python -type f -name '*.pyc' -delete