install setuptools wheel in docker file

Author: Pavan-Microsoft

src/App/WebApp.Dockerfile

@@ -27,7 +27,9 @@ RUN apk add --no-cache --virtual .build-deps \
     libpq 
 
 COPY requirements.txt /usr/src/app/  
-RUN pip install --no-cache-dir -r /usr/src/app/requirements.txt \  
+
+RUN pip install --upgrade pip setuptools wheel \  
+    && pip install --no-cache-dir -r /usr/src/app/requirements.txt \  
     && rm -rf /root/.cache  
 
 # Copy backend source code