Module middleware 

Custom POEM Middleware for this service.

Modules

db_check 🔒

Middleware to verify that there is connection the databases.

metrics_updater 🔒

A middleware module wrapping around prometheus::Registry. It acts as an endpoint to export metrics data to the Prometheus service. For every request to this endpoint, it will call the updater function to update metrics to the latest before sending to the service.

node_info 🔒

Adds an information about the running cat-gateway instance for each response headers.

schema_validation 🔒

Middleware to verify the status of the last DB schema version validation.

tracing_mw 🔒

Full Tracing and metrics middleware.