dockerfile and circleci

.circleci/config.yml

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+# Javascript Node CircleCI 2.0 configuration file
+#
+# Check https://circleci.com/docs/2.0/language-javascript/ for more details
+#
+version: 2
+jobs:
+  install:
+    docker:
+      # specify the version you desire here
+      - image: circleci/node:8.12.0
+
+      # Specify service dependencies here if necessary
+      # CircleCI maintains a library of pre-built images
+      # documented at https://circleci.com/docs/2.0/circleci-images/
+      # - image: circleci/mongo:3.4.4
+
+    working_directory: ~/repo
+
+    steps:
+      - checkout
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "package.json" }}
+            # fallback to using the latest cache if no exact match is found
+            - v1-dependencies-
+
+      - run: yarn install
+
+      - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}
+  build:
+    docker:
+       # specify the version you desire here
+       - image: circleci/node:8.12.0
+
+       # Specify service dependencies here if necessary
+       # CircleCI maintains a library of pre-built images
+       # documented at https://circleci.com/docs/2.0/circleci-images/
+       # - image: circleci/mongo:3.4.4
+ 
+    working_directory: ~/repo
+ 
+    steps:
+       - checkout
+ 
+       # Download and cache dependencies
+       - restore_cache:
+           keys:
+             - v1-dependencies-{{ checksum "package.json" }}
+             # fallback to using the latest cache if no exact match is found
+             - v1-dependencies-
+ 
+       - run: yarn build
+       - run:
+          name: Copy deployment artifacts to workspace
+          command: |
+            cp ./dist /tmp/server -r
+       - store_artifacts:
+          path: /tmp/server
+       - persist_to_workspace:
+          root: /tmp
+          paths:
+            - server
+ 
+       - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}
+
+  deploy:
+    docker:
+      - image: circleci/node:dubnium-browsers
+    working_directory: ~/repo 
+    steps:
+      - checkout
+      - attach_workspace:
+          at: /tmp
+      - restore_cache:
+           keys:
+             - v1-dependencies-{{ checksum "package.json" }}
+             # fallback to using the latest cache if no exact match is found
+             - v1-dependencies-
+      - run:
+          name: Deploy app 
+          command: npx netlify-cli deploy  --auth $NETLIFY_AUTH_TOKEN --site $NETLIFY_SITE_ID --dir /tmp/server --prod
+  docker-build-and-push:
+    working_directory: /dockerapp
+    docker:
+      - image: docker:17.05.0-ce-git
+    steps:
+      - checkout
+      - setup_remote_docker
+      - run:
+          name: Build & push Docker image
+          command: |
+            docker build --cache-from=app -t app .
+      - deploy:
+          name: Publish application to docker hub
+          command: |
+            docker login -e $DOCKER_HUB_EMAIL -u $DOCKER_HUB_USER_ID -p $DOCKER_HUB_PWD
+            docker tag app $DOCKER_HUB_USER_ID/backend_final:$CIRCLE_BUILD_NUM
+            docker tag app $DOCKER_HUB_USER_ID/backend_final:latest
+            docker push $DOCKER_HUB_USER_ID/backend_final:$CIRCLE_BUILD_NUM
+            docker push $DOCKER_HUB_USER_ID/backend_final:latest
+workflows:
+  version: 2
+  build-test-and-deploy:
+    jobs:
+      - install
+      - build:
+          requires:
+            - install
+      - deploy:
+          requires:
+            - build
+      - docker-build-and-push:
+          requires:
+            - build

Dockerfile

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+FROM node:dubnium
+
+WORKDIR /server
+
+COPY . .
+
+RUN yarn install
+
+
+CMD ["yarn", "start"]