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federation-cross-platform

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

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)

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.