Remove circleci config

.circleci/config.yml

@@ -1,70 +0,0 @@
-version: 2.1
-executors:
-  docker-executor:
-    environment:
-      IMAGE_NAME: peterevans/dockerhub-description
-    docker:
-      - image: circleci/buildpack-deps:stretch
-jobs:
-  build:
-    executor: docker-executor
-    steps:
-      - checkout
-      - setup_remote_docker:
-          docker_layer_caching: true
-      - run:
-          name: Build Docker image
-          command: |
-            docker build -t $IMAGE_NAME:latest . --label "org.opencontainers.image.version=${CIRCLE_TAG/v/''}"
-      - run:
-          name: Cache Docker image
-          command: docker save -o image.tar $IMAGE_NAME
-      - persist_to_workspace:
-          root: .
-          paths:
-            - ./image.tar
-  publish-tag:
-    executor: docker-executor
-    steps:
-      - attach_workspace:
-          at: /tmp/workspace
-      - setup_remote_docker
-      - run:
-          name: Load cached Docker image
-          command: docker load -i /tmp/workspace/image.tar
-      - run:
-          name: Publish Docker Image to Docker Hub
-          command: |
-            echo "$DOCKERHUB_PASSWORD" | docker login -u "$DOCKERHUB_USERNAME" --password-stdin
-            IMAGE_TAG=${CIRCLE_TAG/v/''}
-            docker tag $IMAGE_NAME:latest $IMAGE_NAME:$IMAGE_TAG
-            docker push $IMAGE_NAME:latest
-            docker push $IMAGE_NAME:$IMAGE_TAG
-            # If the minor version can be extracted then tag and push
-            MINOR_VERSION=$(echo $CIRCLE_TAG | sed -n "s/^v\([0-9]*.[0-9]*\).[0-9]*$/\1/p")
-            if [[ ${#MINOR_VERSION} -gt 0 ]]; then
-              docker tag $IMAGE_NAME:latest $IMAGE_NAME:$MINOR_VERSION
-              docker push $IMAGE_NAME:$MINOR_VERSION
-            fi
-workflows:
-  version: 2
-  build:
-    jobs:
-      - build
-  build-and-publish-tags:
-    jobs:
-      - build:
-          filters:
-            tags:
-              only: /^v.*/
-            branches:
-              ignore: /.*/
-      - publish-tag:
-          context: org-global
-          requires:
-            - build
-          filters:
-            tags:
-              only: /^v.*/
-            branches:
-              ignore: /.*/