NestJS Micro-services 101 Part 1 - Try to communicate btw two services

I try to learn NestJS Framework to make micro-services

Objective in Part 1

send simple message from one service to another service

// Project 1 api-gateway
nest new api-gateway

// Project ที่ 2 user-service
nest new user

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User Request (http://localhost:3000) -> API Gateway -> User

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Difference btw bootstrap in api-gateway and user

api-gateway main.ts

user main.ts

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api-gateway service will know user service by register in api-gateway module

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so you can declare user service proxy in constructor to send data into it, by
hello is event pattern

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user service controller will receive event pattern name hello by use EventPattern decorator

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So, this is response

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Full code https://github.com/mossnana/nestjs/tree/microservices