#GOV-527 build and push docker image to Dockerhub (#85)

* CircleCI to build push docker image to dockerhub on github tag release

* no filter for latest tag

* remove imagetag from latest build

---------

Co-authored-by: Somanath Hugar <somanathhugar@fynarfin.io>

Author: somanath21

.circleci/config.yml

@@ -1,46 +1,83 @@
 version: 2.1
-orbs:
-  slack: circleci/slack@4.12.5
-  aws-ecr: circleci/aws-ecr@8.2.1
-jobs:
-  build:
+executors:
+  docker-executor:
     docker:
-      - image: cimg/openjdk:17.0.0
-      - image: docker:17.05.0-ce-git
-    working_directory: ~/repo
+      - image: circleci/openjdk:17-buster-node-browsers-legacy
+
+jobs:
+  build_and_push_tag_image:
+    executor: docker-executor
+    environment:
+      JVM_OPTS: -Xmx512m
+      TERM: dumb  
+      GITHUB_TOKEN: ${GITHUB_TOKEN}  # Add the GitHub token as an environment variable
+
+    steps:
+      - checkout
+      - setup_remote_docker:
+          version: 20.10.14
+      - run:
+          name: Build and Push Docker tag Image
+          command: |
+            # Set environment variables
+            IMAGE_TAG=$CIRCLE_TAG
+
+            # Check if the Docker image with the same tag already exists in Docker Hub
+            if curl -s -f -u "$DOCKERHUB_USERNAME":"$DOCKERHUB_PASSWORD" "https://hub.docker.com/v2/repositories/openmf/ph-ee-bulk-processor/tags/$IMAGE_TAG" > /dev/null; then
+              echo "Skipping the build and push as the tag $IMAGE_TAG already exists in Docker Hub."
+              exit 0
+            fi
+
+            # Build and tag the Docker image
+            ./gradlew bootJar
+            docker build -t "openmf/ph-ee-bulk-processor:$IMAGE_TAG" .
+
+            # Push the Docker image to Docker Hub
+            docker login -u "$DOCKERHUB_USERNAME" -p "$DOCKERHUB_PASSWORD"
+            docker push "openmf/ph-ee-bulk-processor:$IMAGE_TAG"
+
+          # when: always  # The job will be executed even if there's no match for the tag filter
+  
+  build_and_push_latest_image:
+    executor: docker-executor
     environment:
-      # Customize the JVM maximum heap limit
       JVM_OPTS: -Xmx512m
       TERM: dumb
+
     steps:
       - checkout
-      - setup_remote_docker
-#       - slack/notify:
-#           event: fail
-#           mentions: '@here'
-#           template: basic_fail_1
-#       - slack/notify:
-#           event: pass
-#           template: basic_success_1
-      - run: ./gradlew clean bootJar
-      - aws-ecr/build-and-push-image:
-          aws-access-key-id: AWS_ACCESS_KEY_ID
-          aws-secret-access-key: AWS_SECRET_ACCESS_KEY
-          extra-build-args: '--compress'
-          push-image: true
-          region: "$REGION"
-          registry-id: AWS_REGISTRY_ID
-          repo: phee-bulk-processor
-          repo-scan-on-push: true
-          role-arn: arn:aws:iam::419830066942:role/CustomAdmin
-          tag: latest
-      # - run: ./gradlew cucumberCli
-      # run tests! Slack Success/Fail Notification Step
-      #- run: ./gradlew test
+      # Install Docker to build and push the image
+      - setup_remote_docker:
+          version: 20.10.14
+
+      # Build the Docker image
+      - run:
+          name: Build Docker image
+          command: |
+            ./gradlew bootJar
+            docker build -t openmf/ph-ee-bulk-processor:latest .
+
+      # Log in to DockerHub using environment variables
+      - run:
+          name: Login to DockerHub
+          command: echo "${DOCKERHUB_PASSWORD}" | docker login -u "${DOCKERHUB_USERNAME}" --password-stdin
+
+      # Push the Docker image to DockerHub
+      - run:
+          name: Push Docker image to DockerHub
+          command: docker push openmf/ph-ee-bulk-processor:latest        
+
 workflows:
-  build_and_push_image:
+  version: 2
+  build-and-push:
     jobs:
-      - build:
+      - build_and_push_tag_image:
+          filters:
+            tags:
+              only: /^v\d+\.\d+\.\d+$/  # Match tags in the format v1.2.3
+          context:
+              - DOCKER
+      - build_and_push_latest_image:
           context:
-            - AWS
-            - slack
+              - DOCKER
+