diff --git a/mod/webrtc-sfu/Dockerfile b/mod/webrtc-sfu/Dockerfile
index 809626f..e8138e8 100644
--- a/mod/webrtc-sfu/Dockerfile
+++ b/mod/webrtc-sfu/Dockerfile
@@ -1,4 +1,6 @@
-FROM node:12
+FROM node:12-alpine
+
+RUN apk update && apk add git
 
 ADD . app