diff --git a/data/opcua/.gitignore b/data/opcua/.gitignore
new file mode 100644
index 0000000..73edf03
--- /dev/null
+++ b/data/opcua/.gitignore
@@ -0,0 +1,2 @@
+!.gitignore
+*
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index ee8cf8d..4585da4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,6 +10,7 @@ services:
       - etcd
     volumes:
       - ./confd:/etc/confd
+      - ./data:/data
   prometheus:
     build: docker/prometheus
     ports: