diff --git a/.gitattributes b/.gitattributes
index 348e18e..6893fba 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,3 @@
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.blob filter=lfs diff=lfs merge=lfs -text
+*.tar filter=lfs diff=lfs merge=lfs -text
diff --git a/demo/containers/dbsdata/README.org b/demo/containers/dbsdata/README.org
index 8c8dfb1..6a843cc 100644
--- a/demo/containers/dbsdata/README.org
+++ b/demo/containers/dbsdata/README.org
@@ -38,12 +38,19 @@
 
     # Persist volume using container
     cd ~/work-gh/mrva/mrvacommander/demo/containers/dbsdata
-    # Note: use mrvacommander_dbsdata, not mrvacommander-dbsdata
-    # Get the data as tar file from the image
+    # Use mrvacommander_dbsdata to access the compose cluster
+    # EITHER
+    # Get the data as tar file from the image using container
+    rm -f dbsdata_backup.tar
     docker run --rm \
            -v mrvacommander_dbsdata:/data \
            -v $(pwd):/backup \
-           busybox sh -c "tar cvf /backup/dbsdata_backup.tar  ."
+           busybox sh -c "tar cf /backup/dbsdata_backup.tar  /data"
+    # OR
+    # Use gnu tar on host.  The macos tar adds extended attributes
+    # brew install gnu-tar
+    rm -f dbsdata_backup.tar && gtar cf dbsdata_backup.tar data/
+
     # Build container with the tarball
     cd ~/work-gh/mrva/mrvacommander/demo/containers/dbsdata
     docker build -t dbsdata-container:0.1.24 .
diff --git a/demo/containers/dbsdata/dbsdata_backup.tar b/demo/containers/dbsdata/dbsdata_backup.tar
new file mode 100644
index 0000000..8ac72b0
--- /dev/null
+++ b/demo/containers/dbsdata/dbsdata_backup.tar
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:93fad7e0576f2a39edd9327b9b77dfca172a013557495b17f37467a2f5a5dae4
+size 292883456
diff --git a/docker-compose-demo-build.yml b/docker-compose-demo-build.yml
index 14be645..98834d8 100644
--- a/docker-compose-demo-build.yml
+++ b/docker-compose-demo-build.yml
@@ -4,8 +4,8 @@ services:
     dbssvc:
         ## image: ghcr.io/hohn/dbsdata-container:0.1.24
         build:
-            context: .
-            dockerfile: ./demo/containers/dbsdata/Dockerfile
+            context: ./demo/containers/dbsdata
+            dockerfile: Dockerfile
         container_name: dbssvc
         volumes:
             - dbsdata:/data/mrvacommander/dbstore-data