Only run CI pipeline for the develop branch

.gitlab-ci.yml

@@ -7,6 +7,8 @@ build-frontend:
   image: node:latest
   tags:
     - docker
+  only:
+    - develop
   before_script:
     - npm i -g elm sass
   script:
@@ -25,6 +27,8 @@ build-binaries:
   image: ocamlpro/ocaml:4.12
   tags:
     - docker
+  only:
+    - develop
   before_script:
     - sudo apk add bash openssl-libs-static
   script: