ci: switch from Travis to CircleCI (carbon-design-system#1551)

* ci: switch from Travis to CircleCI

* chore: un-comment deploy steps and switch badge

.circleci/config.yml

@@ -0,0 +1,57 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/node:8.12
+    working_directory: ~/repo
+    steps:
+      - checkout
+      - run:
+          name: Install yarn
+          command: |
+            curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.12.3
+            export PATH=$HOME/.yarn/bin:$PATH
+      - run:
+          name: Install dependencies from offline mirror
+          command: yarn install --offline
+      - run:
+          name: Run Continuous Integration checks
+          command: yarn ci-check
+      - run:
+          name: Semantic Release
+          command: |
+            if [ "${CIRCLE_BRANCH}" == "master" ]; then
+              yarn semantic-release
+            fi
+      - deploy:
+          name: deploy to IBM Cloud
+          command: |
+            if [ "${CIRCLE_BRANCH}" == "master" ]; then
+              # Install `ibmcloud` CLI
+              curl -fsSL https://clis.ng.bluemix.net/install/linux | sh
+
+              # Login and push staging manifest
+              ibmcloud login \
+                --apikey $CLOUD_API_KEY \
+                -a https://api.ng.bluemix.net \
+                -o carbon-design-system \
+                -s production
+
+              ibmcloud cf add-plugin-repo CF-Community https://plugins.cloudfoundry.org
+              ibmcloud cf install-plugin blue-green-deploy -f -r CF-Community
+
+              # Default storybook build
+              yarn build-storybook
+
+              ibmcloud cf blue-green-deploy carbon-storybook \
+                -f .circleci/manifest.yml \
+                --delete-old-apps
+
+              # Experimental storybook build
+              rm -rf storybook-static
+              CARBON_USE_EXPERIMENTAL_FEATURES=true yarn build-storybook
+
+              ibmcloud cf blue-green-deploy carbon-storybook-experimental \
+                -f .circleci/manifest.experimental.yml \
+                --delete-old-apps
+            fi

.circleci/manifest.experimental.yml

@@ -0,0 +1,8 @@
+---
+applications:
+- name: carbon-storybook-experimental
+  memory: 64M
+  buildpack: https://github.com/cloudfoundry/staticfile-buildpack.git
+  routes:
+  - route: react-experimental.carbondesignsystem.com
+  - route: carbon-react-storybook-experimental.mybluemix.net

manifest.yml → .circleci/manifest.yml

@@ -4,5 +4,5 @@ applications:
   memory: 64M
   buildpack: https://github.com/cloudfoundry/staticfile-buildpack.git
   routes:
-  - route: carbon-react-storybook.mybluemix.net
   - route: react.carbondesignsystem.com
+  - route: carbon-react-storybook.mybluemix.net

README.md

@@ -1,6 +1,6 @@
 # Carbon Components React
 
-[![Build Status](https://travis-ci.org/IBM/carbon-components-react.svg?branch=master)](https://travis-ci.org/IBM/carbon-components-react)
+[![CircleCI](https://circleci.com/gh/IBM/carbon-components-react.svg?style=shield)](https://circleci.com/gh/IBM/carbon-components-react)
 [![All Contributors](https://img.shields.io/badge/all_contributors-64-orange.svg?style=flat-square)](#contributors)
 [![Greenkeeper badge](https://badges.greenkeeper.io/IBM/carbon-components-react.svg)](https://greenkeeper.io/)