CircleCI: Add dockerhub build (#3792)

CircleCI: Add dockerhub build

ci/dockerhub.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+cat << 'EOF'
+  docker-publish-latest:
+    machine:
+      image: ubuntu-2004:202010-01
+    resource_class: large
+    steps:
+      - restore_cache:
+          key: protocol-completed-build-{{ .Environment.CIRCLE_SHA1 }}
+      - run:
+          name: Build Docker image
+          command: |
+            cd /home/circleci/protocol
+            docker build -t umaprotocol/protocol:latest .
+      - run:
+          name: Publish Docker Image to Docker Hub
+          command: |
+            echo $DOCKERHUB_PASS | docker login -u $DOCKERHUB_USERNAME --password-stdin
+            docker push umaprotocol/protocol:latest
+EOF

ci/dockerhub_workflow.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+cat << EOF
+      - docker-publish-latest:
+          context: dockerhub-publish
+          requires:
+            - tests-required
+          filters:
+            branches:
+              only: master
+EOF

ci/generate_lerna_config.sh

@@ -34,6 +34,7 @@ else
 
   /bin/bash $TESTS_PATH/test-required.sh >> $CI_CONFIG_FILE
 
+  /bin/bash ci/dockerhub.sh >> $CI_CONFIG_FILE
 
   printf "\n\nworkflows:\n  version: 2.1\n  build_and_test:\n    jobs:\n" >> $CI_CONFIG_FILE
 
@@ -76,5 +77,6 @@ EOF
   done
 
   # printf "            - test-integration" >> $CI_CONFIG_FILE
+  /bin/bash ci/dockerhub_workflow.sh >> $CI_CONFIG_FILE
 
 fi