Change circle config slightly

.circleci/config.yml

@@ -4,19 +4,22 @@ workflows:
   version: 2
   primary:
     jobs:
-      - build:
+      - build
+      - publish:
+          requires:
+            - build
           filters:
-            tags:
-              only: /^v.*/
             branches:
-              ignore: /.*/
+              only:
+                - master
+                - /release\/[0-9].*/
 
 defaults: &defaults
   docker:
     - image: docker.palantir.build/circle2-build-images/ubuntu-jdk-npm:0.29.0
   environment:
-    TERM: "dumb"
-    NVM_NODEJS_ORG_MIRROR: "https://artifactory.palantir.build/artifactory/external-dist-nodejs"
+    TERM: 'dumb'
+    NVM_NODEJS_ORG_MIRROR: 'https://artifactory.palantir.build/artifactory/external-dist-nodejs'
 
 jobs:
   build:
@@ -37,6 +40,19 @@ jobs:
           command: yarn test
           no_output_timeout: 10m
 
+      - persist_to_workspace:
+          root: ..
+          # Must be relative path from root
+          paths:
+            - project
+            - .gradle/caches
+
+  publish:
+    <<: *defaults
+    steps:
+      - attach_workspace:
+          at: ..
+
       # get publish permissions set up
       - run:
           command: |