# All channels
Sachin D. Shinde@sachin-shinde
Howdy! Is there a way to replace the service that is providing a type?
For example, if we have Service A providing the type Customer and we want to deploy a new service called B that will be the new provider of Customer with all the same fields, how do I register service B? I could delete Customer from the graph and then register service B, but…
Apollo Federation: how to remove nulls from array
Hello. I have an Apollo Federated GraphQL gateway api which composes multiple implementing service. One implementing service is a GraphQL api designed to pull raw data from a 3rd party provider. Another implementing service pulls data from our internal database which is used to…
Apollo custom directives and federated schema
I'm trying to reproduce this example (https://www.apollographql.com/docs/apollo-server/schema/creating-directives/#enforcing-value-restrictions) in a service we have using apollo federation schema. The only thing I have different from the example is that as it is a federated…
Nested @provides field solution
I have a few federated services. One of them needs to reference another. The same API also provides some data (a nested field of data) for that other service. Example: With the above schema, the B service will have the A.id and A.data.*, but not A.otherData. It seems as though…
Apollo Gateway Socket Hang Up
Since converting over to a federated architecture we’ve seen an uptick in error rates. After digging into it we noticed that it was due to using the http(s) agent keep alive setting for reusing connections. It appears that it’s a bit of a race condition where the socket…
Documentation doesn't explain how to create the services for gateway
Hi folks, i was following the documentation (https://www.apollographql.com/docs/federation/quickstart-pt-3/#1-configure-apollo-server), and is a great asset how you provide the products and review schemas and the live gql services to run a local federated gateway. the issue I'm…
Mutation between two microservices
I'm using Apollo Federation to handle a lot of GraphQL microservices. I want to create a Notificaction when a user was followed so I need to send a mutation from UserService to NotificationService. How can I achieve this? Thank you in advance!