(How I) Deploy Solid Queue with Capistrano - I manage a small number of Rails apps that haven’t yet migrated to Kamal for deployment but I wanted to migrate to solid_queue asap to reduce the service burden of running redis.

These applications are deployed with Capistrano on Ubuntu LTS servers and the solid_queue is managed by linux’s systemd. There isn’t much information out there on how to deploy solid_queue with Capistrano so hopefully this helps those of you that still use this popular way of deploying Rails applications.

The systemd service is defined in a file located in your deploy users home folder

Rails 7: Fix yarn missing on Heroku - When deploying Rails 6 sites to Heroku, the Ruby buildpack would detect if the webpacker gem was installed and install yarn for you automatically. With Rails 7, webpacker is no longer installed by default, so using jsbundling-rails and extras that require yarn to be installed will cause deployment errors on Heroku.

The fix is to install the nodejs buildpack. This needs to be done before the ruby buildpack. As follows:

heroku buildpacks:clear
heroku buildpacks:set heroku/nodejs
heroku buildpacks:add heroku/ruby

After running these commands your deployment to Heroku will work great.