Add circleci job for docker

Author: g3force

.circleci/config.yml

@@ -2,56 +2,77 @@ version: 2
 jobs:
   app:
     docker:
-    - image: circleci/golang:1.16
+      - image: circleci/golang:1.16
 
     working_directory: /go/src/github.com/RoboCup-SSL/ssl-simulation-controller
     steps:
-    - checkout
-    - run: go get -v -t -d ./...
-    - run: go test -v ./...
-    - run:
-        working_directory: cmd/ssl-simulation-controller
-        command: |
-          GOOS=linux GOARCH=amd64 go build -o ../../release/ssl-simulation-controller_linux_amd64
-          GOOS=darwin GOARCH=amd64 go build -o ../../release/ssl-simulation-controller_darwin_amd64
-          GOOS=windows GOARCH=amd64 go build -o ../../release/ssl-simulation-controller_windows_amd64.exe
-    - persist_to_workspace:
-        root: .
-        paths:
-        - release/*
+      - checkout
+      - run: go get -v -t -d ./...
+      - run: go test -v ./...
+      - run:
+          working_directory: cmd/ssl-simulation-controller
+          command: |
+            GOOS=linux GOARCH=amd64 go build -o ../../release/ssl-simulation-controller_linux_amd64
+            GOOS=darwin GOARCH=amd64 go build -o ../../release/ssl-simulation-controller_darwin_amd64
+            GOOS=windows GOARCH=amd64 go build -o ../../release/ssl-simulation-controller_windows_amd64.exe
+      - persist_to_workspace:
+          root: .
+          paths:
+            - release/*
 
   publish-github-release:
     docker:
-    - image: circleci/golang:1.16
+      - image: circleci/golang:1.16
     steps:
-    - attach_workspace:
-        at: .
-    - run:
-        name: "Prepare artifacts"
-        working_directory: release
-        command: |
-          mv ssl-simulation-controller_linux_amd64 ssl-simulation-controller_${CIRCLE_TAG}_linux_amd64
-          mv ssl-simulation-controller_darwin_amd64 ssl-simulation-controller_${CIRCLE_TAG}_darwin_amd64
-          mv ssl-simulation-controller_windows_amd64.exe ssl-simulation-controller_${CIRCLE_TAG}_windows_amd64.exe
-    - run:
-        name: "Publish Release on GitHub"
-        command: |
-          go get github.com/tcnksm/ghr
-          ghr -t ${GITHUB_TOKEN} -u ${CIRCLE_PROJECT_USERNAME} -r ${CIRCLE_PROJECT_REPONAME} -c ${CIRCLE_SHA1} -delete ${CIRCLE_TAG} ./release/
+      - attach_workspace:
+          at: .
+      - run:
+          name: "Prepare artifacts"
+          working_directory: release
+          command: |
+            mv ssl-simulation-controller_linux_amd64 ssl-simulation-controller_${CIRCLE_TAG}_linux_amd64
+            mv ssl-simulation-controller_darwin_amd64 ssl-simulation-controller_${CIRCLE_TAG}_darwin_amd64
+            mv ssl-simulation-controller_windows_amd64.exe ssl-simulation-controller_${CIRCLE_TAG}_windows_amd64.exe
+      - run:
+          name: "Publish Release on GitHub"
+          command: |
+            go get github.com/tcnksm/ghr
+            ghr -t ${GITHUB_TOKEN} -u ${CIRCLE_PROJECT_USERNAME} -r ${CIRCLE_PROJECT_REPONAME} -c ${CIRCLE_SHA1} -delete ${CIRCLE_TAG} ./release/
+
+  docker:
+    docker:
+      - image: cimg/base:2021.04
+    steps:
+      - checkout
+      - setup_remote_docker:
+          version: 20.10.6
+      - run: |
+          TAG=${CIRCLE_TAG:-latest}
+          docker build -t robocupssl/ssl-simulation-controller:$TAG .
+          docker login -u "${DOCKER_HUB_USERNAME}" -p "${DOCKER_HUB_PASSWORD}"
+          docker push robocupssl/ssl-simulation-controller:$TAG
 
 workflows:
   version: 2
   main:
     jobs:
-    - app:
-        filters:
-          tags:
-            only: /.*/
-    - publish-github-release:
-        requires:
-        - app
-        filters:
-          branches:
-            ignore: /.*/
-          tags:
-            only: /^v.*/
+      - app:
+          filters:
+            tags:
+              only: /.*/
+      - publish-github-release:
+          requires:
+            - app
+          filters:
+            branches:
+              ignore: /.*/
+            tags:
+              only: /^v.*/
+      - docker:
+          context: docker hub
+          filters:
+            branches:
+              only: master
+            tags:
+              only: /^v.*/
+          

.editorconfig

@@ -9,5 +9,8 @@ insert_final_newline = true
 indent_style = space
 indent_size = 4
 
+[{*.yaml, *.yml}]
+indent_size = 2
+
 [*.go]
 indent_style = tab