Set the default Ruby version explicitly

Without this, an error is thrown on startup
evertrue · Jul 21, 2016 · 6322fe7 · 6322fe7
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commit 6322fe7
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diff --git a/Dockerfile-full b/Dockerfile-full
@@ -7,6 +7,8 @@ CMD ["/sbin/my_init"]
 
 EXPOSE 8080
 
+RUN bash -lc 'rvm --default use ruby-2.3.1'
+
 COPY nginx.conf /etc/nginx/sites-enabled/default
 
 RUN gem install vault -v 0.4.0

diff --git a/Dockerfile-ruby22 b/Dockerfile-ruby22
@@ -7,6 +7,8 @@ CMD ["/sbin/my_init"]
 
 EXPOSE 8080
 
+RUN bash -lc 'rvm --default use ruby-2.2.5'
+
 COPY nginx-ruby22.conf /etc/nginx/sites-enabled/default
 
 RUN gem install vault -v 0.4.0

diff --git a/Dockerfile-ruby23 b/Dockerfile-ruby23
@@ -7,6 +7,8 @@ CMD ["/sbin/my_init"]
 
 EXPOSE 8080
 
+RUN bash -lc 'rvm --default use ruby-2.3.1'
+
 COPY nginx.conf /etc/nginx/sites-enabled/default
 
 RUN gem install vault -v 0.4.0