minor fix for develop (#19)

Author: Donald Tregonning

.circleci/build_and_push_to_dockerhub.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -e
 echo "Building docker image..."
-cp /tmp/pkg/fluent-plugin-kubernetes-metrics-*.gem docker
+cp /tmp/pkg/fluent-plugin-kubernetes-objects-*.gem docker
 VERSION=`cat VERSION`
 docker build --build-arg VERSION=$VERSION --no-cache -t splunk/fluent-plugin-kubernetes-objects:ci ./docker
 docker tag splunk/fluent-plugin-kubernetes-objects:ci splunk/${DOCKERHUB_REPO_NAME}:${VERSION}

.circleci/config.yml

@@ -96,4 +96,10 @@ workflows:
             - test
           filters:
             branches:
-              only: develop
+              only: develop
+      - release:
+          requires:
+            - test
+          filters:
+            branches:
+              only: master