Rename `testing` env to `staging`

.gitlab-ci.yml

@@ -39,21 +39,21 @@ build:
       - build
 
 # Deploy main branch to contact.greenhost.net
-deploy-testing:
+deploy-staging:
   stage: deploy
   # Only run this job for the main branch.
   rules:
     - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
   image: debian:10
   environment:
-    name: testing
-    url: https://contact.greenhost.net/testing
+    name: staging
+    url: https://contact.greenhost.net/staging
   variables:
     FTP_USER: 'webmaster_greenhost_nl'
     FTP_HOST: 'ftp.greenhost.nl'
     DOMAIN_NAME: 'greenhost.net'
     SUBDOMAIN: 'contact'
-    SUBFOLDER: '/testing'
+    SUBFOLDER: '/staging'
     BUILD_FOLDER: './build'
   before_script:
     - apt-get update