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Microservices POC with gRPC & Event-Driven, running in Docker Containers, allowing CRUD operations on files.

Backend Services

  • Core Service:
    • dispatches incoming requests to Auth Service and to Storage Service.
    • emits events (e.g., UserSignUpEvent, NewKeyValuePairEvent) using a configurable Message Broker, either RabbitMQ or Amazon SQS.
    • features a Pub/Sub mechanism with Redis.
    • includes a Key-Value Store with Amazon DynamoDB, internally used by an i18n system which reloads key-value pairs when NewKeyValuePairEvent was triggered
    • sends welcome emails when UserSignUpEvent was triggered
  • Auth Service:
    • authorizes access inside the application
    • generates JWT Access Tokens & Refresh Tokens and QR Codes if MFA is enabled.
  • Storage Service:
    • responsible for storing files, either in a local filesystem, or to a configured Amazon S3 Bucket.

    Frontend

  • React minimalistic app

Monitoring

  • Prometheus
  • Grafana

Reverse Proxy

  • NGINX