- Heroku Architecture
Databases & Data Management
- Heroku Postgres
- Heroku Connect (Salesforce sync)
- Extending Heroku
app.json validation has been added
Change effective on 09 December 2021
We have published a change that enforces field validation around
app.json for use on the Heroku platform.
The fields in the app.json are now required to be of the correct type. For example, the
addons key must be of type
Array and the
environments values must be of type
In addition, the only valid
environments key names are
For more information, see our page on app.json Schema.