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-rw-r--r--docker/ruby/Dockerfile1
1 files changed, 1 insertions, 0 deletions
diff --git a/docker/ruby/Dockerfile b/docker/ruby/Dockerfile
index 7403ac8..78b6ef6 100644
--- a/docker/ruby/Dockerfile
+++ b/docker/ruby/Dockerfile
@@ -9,6 +9,7 @@ RUN apt-get update \
&& apt-get install -y --no-install-recommends \
ruby \
ruby-dev \
+ build-essential \
rsync \
openssh-client \
openssl \