Пробую обновить стек heroku с heroku-16 к heroku-18. Нажал "обновить" в панели управления heroku, получил сообщение, что при следующем push. Ок, но...
remote:
remote: -----> Ruby app detected
remote: -----> Compiling Ruby/Rails
remote: Command: 'set -o pipefail; curl -L --fail --retry 5 --retry-delay 1 --connect-timeout 3 --max-time 30 https://s3-external-1.amazonaws.com/heroku-buildpack-ruby/heroku-18/ruby-2.3.4.tgz -s -o - | tar zxf - ' failed on attempt 1 of 3.
remote: Command: 'set -o pipefail; curl -L --fail --retry 5 --retry-delay 1 --connect-timeout 3 --max-time 30 https://s3-external-1.amazonaws.com/heroku-buildpack-ruby/heroku-18/ruby-2.3.4.tgz -s -o - | tar zxf - ' failed on attempt 2 of 3.
remote:
remote: !
remote: ! An error occurred while installing ruby-2.3.4
remote: !
remote: ! This version of Ruby is not available on Heroku-18. The minimum supported version
remote: ! of Ruby on the Heroku-18 stack can found at:
remote: !
remote: ! https://devcenter.heroku.com/articles/ruby-support#supported-runtimes
remote: !
remote: ! Push rejected, failed to compile Ruby app.
remote:
remote: ! Push failed
