diff --git a/BuildSourceImage.sh b/BuildSourceImage.sh
index 4fcb55b..480e0f5 100755
--- a/BuildSourceImage.sh
+++ b/BuildSourceImage.sh
@@ -78,5 +78,14 @@ buildah rm ${SRC_CTR}
 #
 buildah tag $IMG $SRC_IMAGE
 
+## if an output directory is provided then save a copy to it
+## XXX(vbatts) this is not working inside a container like `quay.io/buildah/stable` yet
+if [ -n "${OUTPUT_DIR}" ] ; then
+    mkdir -p "${OUTPUT_DIR}"
+    skopeo copy containers-storage:"${IMG}" oci:"${OUTPUT_DIR}"/
+fi
+
 # Push SRC_IMAGE to Registry
 # buildah push $SRC_IMAGE REGISTRY_NAME/$SRC_IMAGE
+
+# vim:set shiftwidth=4 softtabstop=4 expandtab:
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..a851ab8
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,9 @@
+FROM quay.io/buildah/stable
+RUN dnf install -y skopeo && \
+    dnf clean all && \
+    mkdir -p /output
+COPY . /usr/local/bin/
+VOLUME /var/lib/container
+VOLUME /output
+ENV OUTPUT_DIR=/output
+ENTRYPOINT ["/usr/local/bin/BuildSourceImage.sh"]