Added JenkinsFile

Jenkinsfile

@@ -0,0 +1,73 @@
+pipeline {
+    agent any
+    environment {
+        REGISTRY_NAME = 'registry.entcor/trust-module'
+        IMAGE_NAME = "trust-module-backend"
+        GITEA_REPOSITORY_URL = "http://git.entcor/api/v1/repos/" 
+    }
+    stages {
+        stage ('Initialize variables') {
+            steps {
+                script {
+                    env.IMAGE_TAG = sh(script: "git describe --tags --abbrev=0", returnStdout: true).trim()
+                }
+            }
+        }
+        stage ('Build docker image') {
+            when {
+                expression { env.CHANGE_BRANCH?.startsWith('rc') }
+            }
+            steps {
+                script {
+                    def image = docker.build("${env.IMAGE_NAME}:${env.IMAGE_TAG}")
+                    sh "docker tag ${env.IMAGE_NAME}:${env.IMAGE_TAG} ${env.REGISTRY_NAME}/${env.IMAGE_NAME}:${env.IMAGE_TAG}"
+                }
+            }
+        }
+        stage ('Push docker image to registry') {
+            when {
+                expression { env.CHANGE_BRANCH?.startsWith('rc') }
+            }
+            steps {
+                script {
+                    docker.withRegistry('https://registry.entcor/harbor/', 'harbor-credentials-id') {
+                        docker.image("${env.REGISTRY_NAME}/${env.IMAGE_NAME}:${env.IMAGE_TAG}").push()
+                    }
+                }
+            }
+        }
+    }
+    post {
+        always {
+            script {
+                echo "Cleaning up workspace..."
+                sh "rm -rf ${env.WORKSPACE}/package/ || true"
+                sh "rm -rf ${env.WORKSPACE}/rc/ || true"
+            }
+        }
+        success {
+            script {
+                if (env.CHANGE_BRANCH?.startsWith('rc')) { 
+                    echo "Attempting to merge PR ${env.CHANGE_ID} into master..."
+                    withCredentials([usernamePassword(credentialsId: 'gitea_creds', usernameVariable: 'GITEA_USER', passwordVariable: 'GITEA_PASS')]) {
+                        def prId = env.CHANGE_ID
+                        sh """
+                        curl -X POST \
+                             -u "${GITEA_USER}:${GITEA_PASS}" \
+                             -H "Content-Type: application/json" \
+                             -d '{"do":"merge"}' \
+                             http://git.entcor/api/v1/repos/DmitriyA/trust-module-backend/pulls/${prId}/merge
+                        """
+                        echo "PR ${prId} merged successfully into master!"
+                    }
+                }
+            }
+        }
+        failure {
+            echo "Pipeline failed. Check the logs for details."
+        }
+        aborted {
+            echo "Pipeline was aborted."
+        }
+    }
+}