✨ : add publish on CI

.circleci/config.yml

@@ -1,4 +1,11 @@
 version: 2.1
+executors:
+  docker-publisher:
+    environment:
+      IMAGE_NAME: jeffyshewan/build-on-ci
+    docker:
+      - image: circleci/buildpack-deps:stretch
+
 
 workflows: 
   std:
@@ -18,6 +25,9 @@ workflows:
             - lint
             - test
             - e2e-test
+      - publish:
+          requires:
+            - build
 
 jobs:
   yarn:
@@ -89,13 +99,33 @@ jobs:
             - ./node_modules
   
   build:
-    environment: 
-      IMAGE_NAME: jeffyshewan/build-on-ci
-    docker:
-      - image: "circleci/buildpack-deps:stretch"
+    executor: docker-publisher
     steps: 
       - checkout
       - setup_remote_docker
       - run: 
-          name: Build and publish on DockerHub
-          command: docker build -t $IMAGE_NAME:latest .
+          name: Build and publish to DockerHub
+          command: docker build -t $IMAGE_NAME:latest .
+      - run:
+          name: Archive Docker image
+          command: docker save -o image.tar $IMAGE_NAME
+      - persist_to_workspace:
+          root: .
+          paths:
+            - ./image.tar
+  publish:
+    executor: docker-publisher
+    steps:
+      - attach_workspace:
+          at: /tmp/workspace
+      - setup_remote_docker
+
+      - run:
+          name: Load archived Docker image
+          command: docker load -i /tmp/workspace/image.tar
+
+      - run:
+          name: Publish Docker Image to DockerHub
+          command: |
+            echo "$DOCKERHUB_PASS" | docker login -u "$DOCKERHUB_USERNAME" --password-stdin
+            docker push $IMAGE_NAME:latest