diff --git a/Dockerfile b/Dockerfile
index bf8810f..7236766 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,7 +17,12 @@ HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
   CMD wget -qO- http://localhost:3000/api/config || exit 1
 
 RUN addgroup -g 1001 -S appgroup && \
-    adduser -S appuser -u 1001 -G appgroup
+    adduser -S appuser -u 1001 -G appgroup && \
+    mkdir -p /app/data && \
+    chown -R appuser:appgroup /app/data
+
+VOLUME ["/app/data"]
+
 USER appuser
 
 CMD ["node", "server.js"]