Backend Services Overview

Backend Services Overview

Purpose

Cargo-Core backend provides secure APIs, role enforcement, workflow orchestration, asynchronous processing, and integration endpoints across the logistics lifecycle.

Service Responsibilities

• Authentication and token lifecycle management.
• RBAC authorization across all role modules.
• Order, dispatch, warehouse, and support domain coordination.
• Background task execution for long-running operations.
• Event logging, monitoring hooks, and operational consistency.

Platform Components

• FastAPI service on Uvicorn.
• PostgreSQL with async SQLAlchemy access.
• Redis-backed cache and queue channels.
• Celery workers for asynchronous workloads.
• Alembic migration chain for schema governance.

Production Engineering Priorities

• Stable API contracts with versioned evolution.
• Idempotent workflows for retry-safe operations.
• Queue observability and failure handling.
• Security-first access patterns and operational auditability.