cleanup jenkins and add if logic.

Jenkinsfile

@@ -16,24 +16,47 @@ pipeline {
 
     stage("Build Containers and push to registry") {
       steps {
-				sh 'docker compose build --push'
+	script {
+	  def status_p = sh(returnStatus: true, script: 'docker images | grep bind9-primary | grep $(grep image docker-compose.yml | grep primary | awk -F\':\' \'{ print $4 }\')')
+	  def status_s = sh(returnStatus: true, script: 'docker images | grep bind9-secondary | grep $(grep image docker-compose.yml | grep secondary | awk -F\':\' \'{ print $4 }\')')
+
+	  if (status_p != 0) {
+	    sh 'docker compose build primary --push'
+	  } else {
+	    echo "Primary Image version already exists, no need to rebuild."
+	  }
+
+	  if (status_s != 0) {
+	    sh 'docker compose build secondary --push'
+	  } else {
+	    echo "Secondary Image version already exists, no need to rebuild."
+	  }
+	}
       }
     }
 
     stage('Stop primary container') {
       steps {
+	script {
+	  if (status_p != 0) {
 	    sh 'docker compose down'
 	    sh 'sleep 5'
 	  }
         }
+      }
+    }
 
     stage('Start primary container') {
       steps {
+	script {
+	  if (status_p != 0) {
 	    sh 'docker compose down'
 	    sh 'docker compose up -d --no-color primary'
 	    sh 'docker compose ps'
 	  }
 	}
+      }
+    }
 
     stage('Create contexts') {
       steps {
@@ -43,17 +66,25 @@ pipeline {
 
     stage('Stop secondary container') {
       steps {
+	script {
+	  if (status_s != 0) {
 	    sh 'docker --context pi502 compose down'
 	    sh 'sleep 5'
 	  }
 	}
+      }
+    }
 
     stage('Start secondary container') {
       steps {
+	script {
+	  if (status_s != 0) {
 	    sh 'docker --context pi502 compose up -d --no-color secondary'
 	    sh 'docker --context pi502 compose ps'
 	  }
 	}
+      }
+    }
 
     stage('test primary dns') {
       steps {