diff --git a/dockerfile-captain.edge b/dockerfile-captain.edge
index b8d10e2..9cc1119 100644
--- a/dockerfile-captain.edge
+++ b/dockerfile-captain.edge
@@ -1,4 +1,4 @@
-FROM node:10
+FROM node:10-alpine
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app