Outdated Yarn lockfile - Can't Build on Heroku

[Tahlor]

  -----> Building on the Heroku-20 stack
  -----> Using buildpacks:
         1. heroku/nodejs
         2. https://github.com/jontewks/puppeteer-heroku-buildpack
  -----> Node.js app detected

  -----> Creating runtime environment

         NPM_CONFIG_LOGLEVEL=error
         USE_YARN_CACHE=true
         NODE_VERBOSE=false
         NODE_ENV=production
         NODE_MODULES_CACHE=false

  -----> Installing binaries
         engines.node (package.json):  ^17.1.0
         engines.npm (package.json):   ^8.1.0
         engines.yarn (package.json):  ^1.22.10

         Resolving node version ^17.1.0...
         Downloading and installing node 17.6.0...
         Bootstrapping npm ^8.1.0 (replacing 8.5.1)...
         npm ^8.1.0 installed
         Resolving yarn version ^1.22.10...
         Downloading and installing yarn (1.22.17)
         Installed yarn 1.22.17

  -----> Restoring cache
         Caching has been disabled because NODE_MODULES_CACHE=false

  -----> Installing dependencies
         Installing node modules (yarn.lock)
         yarn install v1.22.17
         [1/4] Resolving packages...
         error Your lockfile needs to be updated, but yarn was run with `--frozen-lockfile`.
         info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
  -----> Build failed
   !     Outdated Yarn lockfile
         Your application contains a Yarn lockfile (yarn.lock) which does not
         match the dependencies in package.json. This can happen if you use npm
         to install or update a dependency instead of Yarn.
         Please run the following command in your application directory and check
         in the new yarn.lock file:
         $ yarn install
         $ git add yarn.lock
         $ git commit -m "Updated Yarn lockfile"
         $ git push heroku main

         https://help.heroku.com/TXYS53YJ
   !     Push rejected, failed to compile Node.js app.
   !     Push failed

Clicked the link on the README.md and couldn't build.

[ibushong]

I had the same issue. I fixed it by:

• Clone repo to local machine
• Update node requirement in package.json (e.g. ^17.1.01 --> >=17.x.x)
• do yarn install
• Commit updated package.json and yarn.lock
• Deploy via Heroku CLI

[iloveitaly]

Nice! Could you submit a PR to fix this?