Route Services

What is a route service?

Route Services are a kind of Marketplace Service that developers can use to apply various transformations to application requests by binding an application’s route to a service instance.
Why might you create a route service? Can you think of some examples?

Provide transformation or processing to requests before/after they reach an application Examples:
- Authentication
- Rate limiting
- Logging
- Caching
- Transformation
How would you create a route service?

cf create-user-provided-service SERVICE-INSTANCE -r ROUTE-SERVICE-URL

cf bind-route-service [domain-name] [route-service-name] --hostname [target-hostname]
How does a route service work?

Binding a service instance to a route associates the route_service_url with the route in the Cloud Foundry router. All requests for the route are proxied to the URL specified by route_service_url
How does a route service know where to send a request once it has performed its function?

With the Headers
- X-CF-Forwarded-URL
- X-CF-Proxy-Signature
- X-CF-Proxy-Metadata
Used by the Router to validate the request and pass through to the application or reject it.

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