graphql-federation

Complete end-to-end example of graphql federation using netflix DGS framework

It consists of three components -

• Product Inventory Service
• Customer Service
• Order Service

System Overview

Start the services

• Start the service(s)

mvn spring-boot:run

• Start the federated gateway

nodemon start

Major Queries

• Add Product(s)

mutation AddProduct($productInput0: ProductInput, $productInput1: ProductInput, $productInput2: ProductInput) {
    add0: addProduct(product: $productInput0) {
        id
        name
        type
        cost
    }
    add1: addProduct(product: $productInput1) {
        id
        name
        type
        cost
    }
    add2: addProduct(product: $productInput2) {
        id
        name
        type
        cost
    }
}

• Add Customer

mutation AddCustomer($customer: CustomerInput){
    addCustomer(customer: $customer){
        id
        firstName
        lastName
        emailId
        profilePicURL
    }
}

• Add Order

mutation AddOrder($order: OrderInput){
    addOrder(order: $order){
        customer {
            emailId
            firstName
            id
            lastName
            profilePicURL
        }
        id
        products {
            cost
            id
            name
            type
        }
        status
    }
}