Use a much smaller image

plaindocs · plaindocs · commit aae4237f9b9b · 2020-08-07T16:51:03.000+02:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.7
+FROM ruby:2.7-alpine
 
 WORKDIR /app
 
