Upgrade to ruby 2.7.1

Author: rafiss

Dockerfile

@@ -31,7 +31,7 @@ RUN curl https://storage.googleapis.com/golang/go1.9.1.linux-amd64.tar.gz -o gol
 RUN mkdir ruby-install && \
 	curl -fsSL https://github.com/postmodern/ruby-install/archive/v0.6.1.tar.gz | tar --strip-components=1 -C ruby-install -xz && \
 	make -C ruby-install install && \
-	ruby-install --system ruby 2.4.0 && \
+	ruby-install --system ruby 2.7.1 && \
 	gem update --system
 
 ENV PATH /usr/local/go/bin:$PATH

docker.sh

@@ -21,7 +21,7 @@
 
 set -euo pipefail
 
-image=cockroachdb/example-orms-builder:20200129-1444
+image=cockroachdb/example-orms-builder:20200413-1918
 
 gopath=$(go env GOPATH)
 gopath0=${gopath%%:*}

ruby/ar4/Gemfile

@@ -22,6 +22,9 @@ gem 'jbuilder', '~> 2.0'
 # bundle exec rake doc:rails generates the API under doc/api.
 gem 'sdoc', '~> 0.4.0', group: :doc
 
+# Need to pin bigdecimal: https://github.com/ruby/bigdecimal/issues/127
+gem 'bigdecimal', '1.4.2'
+
 # Use ActiveModel has_secure_password
 # gem 'bcrypt', '~> 3.1.7'