Adds dependencies to Dockerfile for creating release artifacts
diff --git a/Dockerfile b/Dockerfile
index 5f71a42..4744ca4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,6 +23,9 @@
RUN apt-get update && apt-get install -y openjdk-8-jre
# Install necessary binaries to build brooklyn
+# Strictly speaking, rsync, gpg, tar, and zip are only necessary
+# if you are creating release artifacts, but they are fairly
+# low footprint
RUN apt-get update && apt-get install -y \
git-core \
procps \
@@ -39,7 +42,11 @@
dpkg \
pkg-config \
nasm \
- gcc
+ gcc \
+ rsync \
+ gpg \
+ tar \
+ zip
# Make sure the /.config && /.npm (for UI module builds) is writable for all users
RUN mkdir -p /.config && chmod -R 777 /.config
