Install the system and language libraries

jfahrer · jfahrer · commit 791c6a3fb044 · 2018-05-04T17:32:27.000-07:00
[refs #f34238344b71]
diff --git a/developing/webapp/Dockerfile b/developing/webapp/Dockerfile
@@ -2,7 +2,8 @@ FROM ruby:2.4.3-alpine
 
 WORKDIR /app
 
-RUN gem install sinatra
+RUN apk update && apk add build-base postgresql-dev
+RUN gem install sinatra pg
 
 COPY app.rb .
 
