Changed AWS Policy agent image to be based on Alpine Linux.

build/aws/build-aws/Dockerfile

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # This Dockerfile assumes you used "make build" to convert the AdminUI to static files in frontend/adminui/dist/policyservice
-FROM public.ecr.aws/docker/library/python:3.9-slim-buster
+FROM public.ecr.aws/docker/library/alpine:latest
 
 # set environment variables
 # PYTHONDONTWRITEBYTECODE - Prevents Python from writing pyc files to disc (equivalent to python -B option)
@@ -22,10 +22,19 @@ ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
 EXPOSE 8080/tcp
 
+RUN apk update && \
+    apk upgrade
+
+RUN apk add gcc musl-dev linux-headers python3-dev
+RUN apk add py3-pip
+
 WORKDIR /opt
 COPY ./app /opt
 RUN pip install --no-cache-dir --upgrade -r /opt/requirements.txt
 
+RUN apk del gcc musl-dev linux-headers python3-dev
+RUN apk --purge del apk-tools
+
 # Admin UI POC
 #COPY ./frontend/adminui/dist/policyservice /opt/assets