Deploy to Heroku push Failed

[ahoang]

Hello,

Tried deploying to Heroku and everything builds successful but the push step fails. pasted the error below

-----> Building on the Heroku-20 stack
-----> Using buildpacks:
       1. heroku/nodejs
       2. heroku/ruby
-----> Node.js app detected
       
-----> Creating runtime environment
       
       NPM_CONFIG_LOGLEVEL=error
       NODE_VERBOSE=false
       NODE_ENV=production
       NODE_MODULES_CACHE=true
       
-----> Installing binaries
       engines.node (package.json):  unspecified
       engines.npm (package.json):   unspecified (use default)
       
       Resolving node version 14.x...
       Downloading and installing node 14.18.1...
       Using default npm version: 6.14.15
       
-----> Installing dependencies
       Installing node modules
       added 117 packages in 2.357s
       
-----> Build
       
-----> Caching build
       - node_modules
       
-----> Pruning devDependencies
       removed 92 packages and audited 25 packages in 0.786s
       
       2 packages are looking for funding
         run `npm fund` for details
       
       found 0 vulnerabilities
       
       
-----> Build succeeded!
-----> Ruby app detected
-----> Installing bundler 2.2.21
-----> Removing BUNDLED WITH version in the Gemfile.lock
-----> Compiling Ruby
       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-20/ruby-2.6.5.tgz -s -o - | tar zxf - ' failed on attempt 1 of 3.
       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-20/ruby-2.6.5.tgz -s -o - | tar zxf - ' failed on attempt 2 of 3.
 !
 !     The Ruby version you are trying to install does not exist on this stack.
 !     
 !     You are trying to install ruby-2.6.5 on heroku-20.
 !     
 !     Ruby ruby-2.6.5 is present on the following stacks:
 !     
 !     - heroku-18
 !     
 !     Heroku recommends you use the latest supported Ruby version listed here:
 !     https://devcenter.heroku.com/articles/ruby-support#supported-runtimes
 !     
 !     For more information on syntax for declaring a Ruby version see:
 !     https://devcenter.heroku.com/articles/ruby-versions
 !
 !     Push rejected, failed to compile Ruby app.
 !     Push failed```

[rogerluan]

For the time being, could you try installing on Heroku-18 as suggested by the error log? We'll probably need to bump ruby to 2.7.x or later to run on Heroku-20.
Let me know if that works @ahoang 🙏