Add docker build config

.circleci/config.yml

@@ -1,20 +1,30 @@
-# Golang CircleCI 2.0 configuration file
-#
-# Check https://circleci.com/docs/2.0/language-go/ for more details
 version: 2
 jobs:
-  build:
+  test:
     docker:
-      # specify the version
       - image: circleci/golang:1.11.1
-
-      # 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/postgres:9.4
-
     steps:
       - checkout
-
-      # specify any bash command here prefixed with `run: `
       - run: go test ./...
+  build_docker:
+    docker:
+      - image: circleci/docker:18.09
+    steps:
+      - checkout
+      - setup_remote_docker
+      - run: docker build -t bitfield/uptimerobot:test .
+      - run: docker push bitfield/uptimerobot:test
+workflows:
+  version: 2
+  dockerbuild:
+    jobs:
+      - test:
+          filters:
+            tags:
+              only: /^v\d+\.\d+\.\d+/
+      - build_docker:
+          requires:
+            - test
+          filters:
+            tags:
+              only: /^v\d+\.\d+\.\d+/