This buildback installs and runs the Tier sidecar in Heroku dynos.

$ heroku buildpacks:add https://github.com/tierrun/tier-run-buildpack

The below environment variables can be set using heroku config:set X=Y or via the Heroku dashboard.

• STRIPE_API_KEY: The required Stripe key (live or test) to use. If a live key is used, the -live flag will be automatically passed to tier serve.
• TIER_VERSION: The optional Tier sidecar version (default is 0.6.2)
• TIER_ADDR: The optional address the sidecar will listen on (default is 127.0.0.1:8080)
• TIER_RUN_DYNOS: An optional comma seperated list of process type names (e.g. "web") to run the sidecar in. If unset, all process types will run the sidecar.