Support multiple environments (staging, master)

.gitlab-ci.yml

 image: node:6.5.0
 
+stages:
+  - build
+  - deploy
+
 build:
   stage: build
   variables:
@@ -14,3 +18,22 @@ build:
     paths:
     - build
 
+deploy_staging:
+  stage: deploy
+  script: echo "Deploy bot awayyyyy"
+  environment:
+    name: staging
+    url: https://whatsopen.gmu.io
+  only:
+    - master
+
+deploy_production:
+  stage: deploy
+  script: echo "Deploy bot awayyyyy"
+  environment:
+    name: production
+    url: https://whatsopen.gmu.edu
+  when: manual
+  only:
+    - master
+