Try debug rsync -vvv

.gitlab-ci.yml

@@ -29,7 +29,7 @@ before_script:
   - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'
   # Install rsync
   # --------
-  - which rsync || (apt-get update -y && apt-get install rsync -y)
+  - 'which rsync || (apt-get update -y && apt-get install rsync -y)'
 build:
@@ -56,7 +56,7 @@ test:
 deploy:
   stage: deploy
   script:
-    - rsync -r --delete-after --quiet ./ $SSH_USER@$DEPLOY_HOST::var/www/apilab/
+    - rsync -r --delete-after -vvv ./ $SSH_USER@$DEPLOY_HOST::var/www/apilab/
     - ssh $SSH_USER@$DEPLOY_HOST <<EOF
         pm2 restart apilab
       EOF