Install shards

Dockerfile

@@ -2,6 +2,7 @@ FROM ubuntu:14.04
 MAINTAINER docrystal.org <[email protected]>
 
 ENV CRYSTAL_VERSION 0.9.0
+ENV SHARDS_VERSION 0.5.3
 
 RUN apt-get update && \
       apt-get install -y \
@@ -30,6 +31,13 @@ RUN curl -L -o /tmp/crystal-${CRYSTAL_VERSION}.tar.gz https://github.com/manaste
       mkdir -p /usr/src/crystal && \
       tar xvzf /tmp/crystal-${CRYSTAL_VERSION}.tar.gz -C /usr/src/crystal && \
       rm /tmp/crystal-${CRYSTAL_VERSION}.tar.gz && \
-      ln -s /usr/src/crystal/crystal-${CRYSTAL_VERSION}-1/bin/crystal /usr/local/bin/crystal
+      ln -s /usr/src/crystal/crystal-${CRYSTAL_VERSION}-1/bin/* /usr/local/bin/
+
+RUN curl -L -o /tmp/shards-${SHARDS_VERSION}.gz https://github.com/ysbaddaden/shards/releases/download/v${SHARDS_VERSION}/shards-${SHARDS_VERSION}_linux_x86_64.gz && \
+  mkdir -p /usr/src/shards && \
+  gzip -c -d /tmp/shards-${SHARDS_VERSION}.gz > /usr/src/shards/shards-${SHARDS_VERSION} && \
+  chmod +x /usr/src/shards/shards-${SHARDS_VERSION} && \
+  rm /tmp/shards-${SHARDS_VERSION}.gz && \
+  ln -s /usr/src/shards/shards-${SHARDS_VERSION} /usr/local/bin/shards
 
 CMD [ "/bin/bash" ]