apollo-router 2.14.0-rc.2

A configurable, high-performance routing runtime for Apollo Federation 🚀
Documentation 
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subgraphs:
  graphql:
    routing_url: http://none
    schema:
      sdl: |
        extend schema
          @link(url: "https://specs.apollo.dev/federation/v2.11", import: ["@key"])

        type Query {
          users: [User!]!
        }

        interface User @key(fields: "id") {
          id: ID!
        }

        type Employee implements User @key(fields: "id") {
          id: ID!
          name: String
        }

        type Customer implements User @key(fields: "id") {
          id: ID!
          name: String
        }

  connectors:
    routing_url: http://none
    schema:
      sdl: |
        extend schema
          @link(url: "https://specs.apollo.dev/federation/v2.11", import: ["@key", "@interfaceObject"])
          @link(url: "https://specs.apollo.dev/connect/v0.2", import: ["@source", "@connect"])
          @source(name: "json", http: { baseURL: "http://localhost:4001/api" })

        type User
          @connect(source: "json"
            http: { GET: "/users/{$$this.id}" }
            selection: "id favoriteColor"
          )
          @interfaceObject @key(fields: "id")
        {
          id: ID!
          favoriteColor: String
        }