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I currently have a brand new ruby / rails app setup with webpacker. Every deploy to Heroku takes an additional 30+ seconds to re-install the yarn dependencies (runs yarn install).
remote: [1/4] Resolving packages...
remote: [2/4] Fetching packages...
remote: info [email protected]: The platform "linux" is incompatible with this module.
remote: info "[email protected]" is an optional dependency and failed compatibility check. Excluding it from installation.
remote: [3/4] Linking dependencies...
remote: warning "[email protected]" has incorrect peer dependency "babel-core@6 || 7 || ^7.0.0-alpha || ^7.0.0-beta || ^7.0.0-rc".
remote: warning "[email protected]" has incorrect peer dependency "webpack@2 || 3".
remote: warning "[email protected]" has incorrect peer dependency "webpack@^2.0.0 || ^3.0.0".
remote: warning "[email protected]" has incorrect peer dependency "webpack@^3.1.0".
remote: warning "[email protected]" has incorrect peer dependency "webpack@^2.0.0 || ^3.0.0".
remote: warning "[email protected]" has incorrect peer dependency "caniuse-lite@^1.0.30000697".
remote: warning "[email protected]" has incorrect peer dependency "webpack@^2.0.0 || >= 3.0.0-rc.0 || ^3.0.0".
remote: warning "[email protected]" has incorrect peer dependency "node-sass@^4.0.0".
remote: warning "[email protected]" has incorrect peer dependency "webpack@^2.0.0 || >= 3.0.0-rc.0 || ^3.0.0".
remote: warning "[email protected]" has incorrect peer dependency "file-loader@*".
remote: warning "[email protected]" has incorrect peer dependency "webpack@1 || 2 || 3".
remote: warning "[email protected]" has incorrect peer dependency "ajv@^5.0.0".
remote: warning "[email protected]" has incorrect peer dependency "webpack@^1.9 || ^2 || ^2.1.0-beta || ^2.2.0-rc || ^3.0.0".
remote: warning "[email protected]" has incorrect peer dependency "babel-helper-vue-jsx-merge-props@^2.0.0".
remote: warning "[email protected]" has incorrect peer dependency "babel-plugin-syntax-jsx@^6.8.0".
remote: warning "[email protected]" has incorrect peer dependency "css-loader@*".
remote: warning "[email protected]" has incorrect peer dependency "webpack@^2.2.0 || ^3.0.0".
remote: warning "[email protected]" has incorrect peer dependency "webpack@^1.0.0 || ^2.0.0 || ^3.0.0".
remote: [4/4] Building fresh packages...
remote: Done in 33.50s.
remote: Webpacker is installed 🎉 🍰
I'm currently using the heroku/ruby buildpack on the heroku-16 stack.
Any easy way to get the caching to work like it does for bundler?
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You have deployed your first Rails 6 application to Heroku. Here’s some recommended reading: Visit the Ruby support category to learn more about using Ruby and Rails on Heroku.
Ruby on Rails is a popular web framework written in Ruby. This guide covers using Rails 6 on Heroku. For information on running previous versions of Rails on Heroku, see the tutorial for Rails 5.x or Rails 4.x. For this guide you will need:
Heroku relies on Git, a distributed source control management tool, for deploying your project. If your project is not already in Git, first verify that git is on your system: If you don’t see any output or get command not found you need to install Git on your system.
You can view information about your running app using one of the logging commands, heroku logs: You can also get the full stream of logs by running the logs command with the --tail flag option like this: By default, new applications are deployed to a free dyno. Free apps will “sleep” to conserve resources.
Maybe you can add a second nodejs buildpack in addition to your heroku stack:
heroku buildpacks:add --index 1 heroku/nodejs
The nodejs buildpack should support yarn caching as described here.
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