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# Small Business Inventory Management System
This is a FastAPI application for managing small business inventory, products, orders, and suppliers.
## Features
- User authentication and authorization
- Product management
- Inventory tracking
- Order processing
- Supplier management
- Category organization
## API Endpoints
- `/docs` - Swagger UI documentation
- `/redoc` - ReDoc documentation
- `/health` - Health check endpoint
- `/api/v1/auth` - Authentication endpoints
- `/api/v1/users` - User management
- `/api/v1/products` - Product management
- `/api/v1/inventory` - Inventory management
- `/api/v1/orders` - Order processing
- `/api/v1/suppliers` - Supplier management
- `/api/v1/categories` - Category management
## Running Locally
1. Install dependencies:
```
pip install -r requirements.txt
```
2. Start the server:
```
uvicorn main:app --host 0.0.0.0 --port 8000 --reload
```
## Environment Variables
The application uses the following environment variables:
- `SECRET_KEY`: Secret key for JWT token generation
- `SERVER_NAME`: Server name (e.g., "Inventory Management System")
- `SERVER_HOST`: Server host URL (e.g., "https://inventory.example.com")
- `FIRST_SUPERUSER`: Email for the first superuser
- `FIRST_SUPERUSER_PASSWORD`: Password for the first superuser
## Kubernetes Deployment
The application can be deployed using Kubernetes with the provided configuration files in the `kubernetes/` directory:
- `deployment.yaml`: Deployment configuration (using name `prod-pod`)
- `service.yaml`: Service configuration (using name `prod-pod-service`)
- `pvc.yaml`: Persistent Volume Claim for storage
- `secrets.yaml`: Secret configuration for environment variables
### Deployment Notes
- Optimized for reliable scheduling on resource-constrained clusters:
- Reduced replicas to 1 to ensure easier scheduling
- Reduced resource requests and limits
- Changed image pull policy to IfNotPresent to reduce pull issues
- Added flexible tolerations to run on nodes with any taints
- Configured node affinity for Linux but as a preference, not a requirement
- Set empty storageClassName to use the cluster's default storage class
- If you experience the "pod does not have a host assigned" error:
- Check that your cluster has available nodes with sufficient resources
- Verify that the default storage class exists and is working
- Ensure the specified image exists and is accessible
To deploy:
```bash
kubectl apply -f kubernetes/secrets.yaml
kubectl apply -f kubernetes/pvc.yaml
kubectl apply -f kubernetes/deployment.yaml
kubectl apply -f kubernetes/service.yaml
```
To check the status:
```bash
kubectl get pods
kubectl describe pod <pod-name>
kubectl get events --sort-by='.metadata.creationTimestamp'
```