Vegetable Store

A microservice system for vegetable store management, built on Go using gRPC for inter-service communication and a complete observability stack.

Architecture Overview

The system consists of three independent microservices:

• Vegetable Service - Manages vegetable inventory and catalog
• User Service - Handles user authentication and profile management
• Order Service - Processes and manages customer orders

Tech Stack

Core Technologies

• Language: Go
• API:
  • gRPC for inter-service communication
  • REST Gateway (grpc-gateway) for external HTTP APIs
• Documentation: Swagger 2.0
• Database: PostgreSQL (separate instance per service)
• Containerization: Docker & Docker Compose

Observability Stack

• Metrics: Prometheus
• Tracing: Jaeger with OpenTelemetry Collector
• Logging: Grafana Loki & Alloy
• Visualization: Grafana Dashboards