Use production branch for production deployments.

.gitlab-ci.yml

@@ -26,7 +26,7 @@ production:
   stage: Deployment production
   script:
     - rm -rf encyclopedia-physics-engine
-    - git clone git@gitlab.mpcdf.mpg.de:nomad-lab/encyclopedia-physics-engine.git
+    - git clone -b production git@gitlab.mpcdf.mpg.de:nomad-lab/encyclopedia-physics-engine.git
     - cd encyclopedia-physics-engine
     - pwd
     - ls -al
@@ -44,7 +44,7 @@ production-hv:
   stage: Deployment production-hv
   script:
     - rm -rf encyclopedia-physics-engine
-    - git clone git@gitlab.mpcdf.mpg.de:nomad-lab/encyclopedia-physics-engine.git
+    - git clone -b production git@gitlab.mpcdf.mpg.de:nomad-lab/encyclopedia-physics-engine.git
     - cd encyclopedia-physics-engine
     - pwd
     - ls -al
@@ -62,7 +62,7 @@ production-csc:
   stage: Deployment production-csc
   script:
     - rm -rf encyclopedia-physics-engine
-    - git clone git@gitlab.mpcdf.mpg.de:nomad-lab/encyclopedia-physics-engine.git
+    - git clone -b production git@gitlab.mpcdf.mpg.de:nomad-lab/encyclopedia-physics-engine.git
     - cd encyclopedia-physics-engine
     - pwd
     - ls -al