git is really needed in docker too

Brent Cook · Brent Cook · commit 3a8f7cbabefa · 2017-07-17T09:41:47.000-05:00
diff --git a/docker/Dockerfile b/docker/Dockerfile
@@ -35,6 +35,7 @@ RUN apk update && \
       yaml-dev \
       zlib-dev \
       ncurses-dev \
+      git \
     && echo "gem: --no-ri --no-rdoc" > /etc/gemrc \
     && bundle install --system $BUNDLER_ARGS \
     && apk del .ruby-builddeps \
