docker-compose.yml in uffizzi-cli-0.2.2 vs docker-compose.yml in uffizzi-cli-0.3.2

@@ -1,9 +1,11 @@
 version: "3.9"
 
 services:
   gem:
-    build: .
+    build:
+      context: .
+      target: builder
     volumes:
       - ./:/gem:cached
       - ~/.ssh:/root/.ssh
       - ~/.bash_history:/root/.bash_history
       - bundle_cache:/bundle_cache