Fix settings.xml usage, do mvn clean

Signed-off-by: Kevin O'Donnell <[email protected]>

Jenkinsfile

@@ -18,9 +18,11 @@
 
 pipeline {
     agent {
-        node {
-            label 'master'
-            customWorkspace "workspace/${env.BUILD_TAG}"
+        ansiColor('xterm') {
+            node {
+                label 'worker'
+                customWorkspace "workspace/${env.BUILD_TAG}"
+            }
         }
     }
 
@@ -91,8 +93,10 @@ pipeline {
             sh 'docker-compose -f docker/docker-compose-build.yaml down'
             sh 'docker run -v $PWD:/project/daml-on-sawtooth daml-on-sawtooth-build-local:${ISOLATION_ID}  mvn clean'
 	        sh '''
+                TAG_VERSION="`git describe --dirty`";
                 for img in `docker images --filter reference="*:$ISOLATION_ID" --format "{{.Repository}}"`; do
-                    docker rmi -f $img:$ISOLATION_ID
+                    docker tag $img:$ISOLATION_ID $img:$TAG_VERSION
+                    docker rmi -f $img
                 done
             '''
         }