[DO-1519] some refactoring (!77)

Co-authored-by: Rustam Tagaev <rustam.tagaev@avroid.tech>
Reviewed-on: https://git.avroid.tech/DevOps/jenkins-pipelines/pulls/77

jobs-dsl/jobs/Cloud/Deploy/Backend/openresty_deploy.groovy

@@ -0,0 +1,25 @@
+pipelineJob('Cloud/Deploy/Backend/openresty-deploy') {
+    logRotator {
+        numToKeep(10)
+        artifactNumToKeep(10)
+    }
+
+    definition {
+        cpsScm {
+            scm {
+                git {
+                    remote {
+                        url("${JENKINS_GIT_REPOSITORY_SSH_URL}/DevOps/jenkins-pipelines.git")
+                        credentials("${JENKINS_GIT_CREDENTIALS_SSH}")
+                    }
+                    branch('master')
+                }
+            }
+            scriptPath('pipelines/Cloud/Deploy/Backend/openresty-deploy.groovy')
+        }
+    }
+
+    properties {
+        disableConcurrentBuilds()
+    }
+}