Add deploy to Nexus stage

Jenkinsfile

@@ -3,6 +3,8 @@ pipeline {
 
 	tools {
 		jdk 'jdk17'
+		// If you configured Maven as a Jenkins tool, add:
+		// maven 'Maven3'
 	}
 
 	options {
@@ -19,9 +21,33 @@ pipeline {
 
 		stage('Build') {
 			steps {
-                sh '''
-                    mvn -V -B clean package
-                '''
+				sh 'mvn -V -B clean package'
+			}
+		}
+
+		stage('Deploy to Nexus') {
+			when {
+				branch 'master'
+			}
+			steps {
+				withCredentials([usernamePassword(
+					credentialsId: 'nexus-deployer',
+					usernameVariable: 'NEXUS_USER',
+					passwordVariable: 'NEXUS_PASS'
+				)]) {
+					writeFile file: 'settings.xml', text: """
+                    <settings>
+                      <servers>
+                        <server>
+                          <id>neetgames</id>
+                          <username>${env.NEXUS_USER}</username>
+                          <password>${env.NEXUS_PASS}</password>
+                        </server>
+                      </servers>
+                    </settings>
+                    """
+					sh 'mvn -s settings.xml -V -B deploy'
+				}
 			}
 		}
 	}
@@ -31,5 +57,4 @@ pipeline {
 			archiveArtifacts artifacts: 'target/mcMMO.jar', fingerprint: true
 		}
 	}
-
 }