Pass Nexus credentials to Gradle build in Jenkins pipeline

Jenkinsfile

@@ -3,7 +3,7 @@ pipeline {
     stages {
         stage('Gradle') {
             steps {
-                sh 'bash gradlew build'
+                sh './gradlew build -PalttdSnapshotUsername=$NEXUS_CREDS_USR -PalttdSnapshotPassword=$NEXUS_CREDS_PSW'
             }
         }
         stage('Archive') {
@@ -23,4 +23,4 @@ pipeline {
             }
         }
     }
-}
+}