Use gcloud sdk as base

Dylan Graham · Dylan Graham · commit 91c2416de608 · 2018-11-07T11:30:37.000+11:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,10 +1,10 @@
-FROM python:3.7-alpine AS build
+FROM google/cloud-sdk:224.0.0-alpine AS build
 
 WORKDIR /opt/python-gitlab
 COPY . .
 RUN python setup.py bdist_wheel
 
-FROM python:3.7-alpine
+FROM google/cloud-sdk:224.0.0-alpine
 
 WORKDIR /opt/python-gitlab
 COPY --from=build /opt/python-gitlab/dist dist/
