This page applies to Grid and Dedicated Gen 3 projects. To ensure you have enough resources to support multiple apps, you need at least a Medium plan. To set up multiple apps on Dedicated Gen 2 environments, contact Sales.
Define relationships between your multiple apps
On this page
When you set up a project containing multiple applications,
by default your apps can’t communicate with each other.
To enable connections, define relationships between apps using the
You can’t define circular relationships.
app1 has a relationship to
app2 can’t have a relationship to
If you need data to go both ways, consider coordinating through a shared data store,
like a database or RabbitMQ server.
Relationships between apps use HTTP, not HTTPS. This is still secure because they’re internal and not exposed to the outside world.
You have two apps,
app1 needs data from
In your app configuration for
app1, define a relationship to
Once they’re both built,
app1 can access
app2 at the following URL:
The specific URL is always available through the
$ echo $PLATFORM_RELATIONSHIPS | base64 --decode | jq '.api.host'