try this

Jenkinsfile

@@ -17,14 +17,14 @@ pipeline {
                     )
                 ]) {
                     sh '''#!/bin/bash
-                    ssh -i "$SSH_PRIVATE_KEY" -p 2222 saccada@saccada.xyz << 'EOF'
+                    ssh -i "$SSH_PRIVATE_KEY" -p 2222 saccada@saccada.xyz << EOF
                         cd ~/ws/django-example-app
                         git pull --rebase
                         ls -la
                         # docker compose pull
                         # docker compose down
                         # docker compose up -d
-                        EOF'''
+                        '''
                 }
             }
         }