bakery-ia/services/tenant/app/main.py

# services/tenant/app/main.py
"""
Tenant Service FastAPI application
"""

import structlog
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from app.core.config import settings
from app.core.database import engine
from app.api import tenants
from shared.monitoring.logging import setup_logging
from shared.monitoring.metrics import MetricsCollector

# Setup logging
setup_logging("tenant-service", settings.LOG_LEVEL)
logger = structlog.get_logger()

# Create FastAPI app
app = FastAPI(
    title="Tenant Management Service",
    description="Multi-tenant bakery management service",
    version="1.0.0",
    docs_url="/docs",
    redoc_url="/redoc"
)

# Initialize metrics
metrics_collector = MetricsCollector("tenant_service")
app.state.metrics_collector = metrics_collector

# CORS middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Include routers
app.include_router(tenants.router, prefix="/api/v1", tags=["tenants"])

@app.on_event("startup")
async def startup_event():
    """Initialize service on startup"""
    logger.info("Starting Tenant Service...")
    
@app.on_event("shutdown")
async def shutdown_event():
    """Cleanup on shutdown"""
    logger.info("Shutting down Tenant Service...")
    await engine.dispose()

@app.get("/health")
async def health_check():
    """Health check endpoint"""
    return {
        "status": "healthy",
        "service": "tenant-service",
        "version": "1.0.0"
    }

@app.get("/metrics")
async def metrics():
    """Prometheus metrics endpoint"""
    return metrics_collector.generate_latest()

if __name__ == "__main__":
    import uvicorn
    uvicorn.run(app, host="0.0.0.0", port=8000)