We need ruby-dev for the gem installs

YtoTech · Jul 16, 2017 · cf9423b · cf9423b
1 parent f9b33a3
commit cf9423b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Dockerfile b/Dockerfile
@@ -7,7 +7,7 @@ LABEL maintainer="[email protected]"
 # TODO Do we need ruby-full?
 RUN sudo apt-get update \
 	&& sudo apt-get install -y \
-		ruby \
+		ruby ruby-dev \
 	&& sudo rm -rf /var/lib/apt/lists/*
 
 # Install Bundler.