rasulrukhilloev / gateway-demo

Example Nestjs microservices with different transports(GRPC, Kafka, Rabbit, NATS)

1. TO INSTALL packages of all services, RUN:
   "cd gateway-demo" then,
   If on windows, then "npm run install:win"
   If on Mac/Linux, then "npm run install:unix"

2. TO RUN containers:
   "docker compose up"

Hot-reload is setup for dev mode(change variable MODE to "dev", could be "production")

TODO:

1. complete Auth, implement refresh-token
2. complete crud(getOne, remove, update all by user)
3. Handle exceptions
4. Handle Validation via Pipes
5. Filter incoming data
6. Health checks of each services
7. Unit, Integration, end2end tests
8. Logging solution
9. Optimize duplicates by creating a module

Services: Gateway(forwards request to other services), Auth, Cards, Loan, Deposit.
Each service has separate DB(Postgres)
ORM: Prisma

Communication between Gateway and:
Auth is via GRPC
Cards is via Kafka RabbitMQ
Loan is via RabbitMQ
Deposit is via NATS

Authentication is with JWT(only access token is issued)
Dockerized all services

Endpoints:
Gateway: Login, CreateUser(not protected for convenience)
CRUD for Users, Cards, Loan and Deposit