Rework circleci workflow for efficiency

Archiving was taking longer than building did

Author: tedivm

.circleci/config.yml

@@ -15,38 +15,33 @@ jobs:
           name: Build Docker image
           command: |
             docker build -t $IMAGE_NAME:latest .
-      - run:
-          name: Archive Docker image
-          command: docker save -o image.tar $IMAGE_NAME
-      - persist_to_workspace:
-          root: .
-          paths:
-            - ./image.tar
+
   publish-latest:
     executor: docker-publisher
     steps:
-      - attach_workspace:
-          at: /tmp/workspace
+      - checkout
       - setup_remote_docker
       - run:
-          name: Load archived Docker image
-          command: docker load -i /tmp/workspace/image.tar
+          name: Build Docker image
+          command: |
+            docker build -t $IMAGE_NAME:latest . | cat
       - run:
           name: Publish Docker Image to Docker Hub
           command: |
             echo "$DOCKERHUB_PASS" | docker login -u "$DOCKERHUB_USERNAME" --password-stdin
             docker push $IMAGE_NAME:latest
+
 workflows:
   version: 2
-  build-master:
+  build:
     jobs:
       - build:
           filters:
             branches:
-              only: master
+              ignore: master
+  publish:
+    jobs:
       - publish-latest:
-          requires:
-            - build
           filters:
             branches:
               only: master