50 USD/mo was for 1 production Heroku app dyno (no db!), with no Redis or Sidekiq. On GKE we added Redis and Sidekiq, all duplicated for staging (on Spot VMs),

50 USD/mo was for 1 production Heroku app dyno (no db!), with no Redis or Sidekiq. On GKE we added Redis and Sidekiq, all duplicated for staging (on Spot VMs), for 58 USD/mo. (One single-zone cluster is free on GCP.)