reduced Docker image file size, fixed DUO return message

Dockerfile

@@ -34,8 +34,18 @@ EXPOSE 5000
 # Create the pex file
 RUN ./pants clean-all binary :gatekeeper
 
+# Import python and remove base container
+FROM python:2.7.14
+
+# Set the working directory to /app
+WORKDIR /app
+
 # Copy project files
 ADD . /app
 
+# Copy pex from base build
+COPY --from=base /app/dist /app/dist
+COPY --from=base /app/static /app/static
+
 # Run gatekeeper.pex when container starts
 CMD ["python", "dist/gatekeeper.pex"]

libs/duo/__init__.py

@@ -15,10 +15,15 @@ def _create_duo_client(self):
     Creates a DUO Admin API Client object.
     :return: DUO client object
     """
-    client = duo_client.Admin(ikey=self.config["ikey"],
-                              skey=self.config["skey"],
-                              host=self.config["host"],
-                              ca_certs=self.config["ca_certs"])
+    if self.config["ca_certs"] == "":
+      client = duo_client.Admin(ikey=self.config["ikey"],
+                                skey=self.config["skey"],
+                                host=self.config["host"])
+    else:
+      client = duo_client.Admin(ikey=self.config["ikey"],
+                                skey=self.config["skey"],
+                                host=self.config["host"],
+                                ca_certs=self.config["ca_certs"])
 
     if self.use_proxy is True:
       self.proxy_headers = {"Proxy-Authorization": "Basic " + base64.b64encode(b"%s:%s" % (
@@ -58,7 +63,7 @@ def delete_user(self, user_id):
     :return: Bool
     """
     r = self.admin_api.delete_user(user_id)
-    if r is None:
+    if "response" in r and r["response"] == "":
       return True
     else:
       return False

tests/libs/duo/mock_results/delete_user_resource

@@ -1 +1,4 @@
-null
+{
+  "stat": "OK",
+  "response": ""
+}