federation-cross-platform

Starter pack for cross-platform Apollo Federation setup using SpringBoot and Node servers

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Configurations covered in this

• Case 1: Connect Node Gateway to one SpringBoot server

• Case 2: Connect Node Gateway to one Node server

• Case 3: Connect Node Gateway to two SpringBoot servers - with dependency in the schema

• Case 4: Connect Node Gateway to two Node servers - with dependency in the schema

• Case 5: Connect Node Gateway to one SpringBoot server and one Node server - with dependency in schema(SpringBoot schema extends Node schema)

• Case 6: Connect Node Gateway to one SpringBoot server and one Node server - with dependency in schema(Node schema extends SpringBoot schema)

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How to run?

Requirement

Node >= 12 LTS Gradle > 6.8.3

1. Terminal 1: cd sb-product && ./gradlew bootrun
2. Terminal 2: cd sb-inventory && ./gradlew bootrun
3. Terminal 3: cd node-product && npm i && npm start
4. Terminal 4: cd node-inventory && npm i && npm start
5. Terminal 5: cd gateway && npm i && npm run start-gateway

This will run the following servers

PORT	TYPE	SERVER
5003	SpringBoot	Product
5004	SpringBoot	Inventory
8001	Node	Product
8002	Node	Inventory
4000	Node	Apollo Gateway

Open http://localhost:4000/graphql in browser

Note: To change between SpringBoot and Node Implementing Services, go to gateway.js and comment/uncomment the relevant services.

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