Fix aks service dockerfile

Author: iberryful

src/services/aks/Dockerfile

@@ -17,8 +17,9 @@ ENV PATH $PATH:/usr/local/bin
 
 RUN \
   apk update && \
-  apk add bash py-pip && \
+  apk add bash py-pip libssl1.0 && \
   apk add --virtual=build linux-headers gcc libffi-dev musl-dev openssl-dev python-dev make && \
+  pip install -U pip && \
   pip install azure-cli && \
   apk del --purge build && \
   az aks install-cli