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```python
# AI Dev Tool: FastAPI Pydantic v2 Micro-SaaS Boilerplate
# Description: A production-ready boilerplate for building micro-SaaS applications using FastAPI and Pydantic v2

from fastapi import FastAPI, Depends, HTTPException
from pydantic import BaseModel, Field
from typing import List, Optional
import sqlite3
from sqlite3 import Error

# Define the database connection settings
DATABASE_NAME = "micro_saaS.db"

# Define the Pydantic models
class User(BaseModel):
    """User model"""
    id: int = Field(..., description="User ID")
    name: str = Field(..., description="User name")
    email: str = Field(..., description="User email")

class Product(BaseModel):
    """Product model"""
    id: int = Field(..., description="Product ID")
    name: str = Field(..., description="Product name")
    price: float = Field(..., description="Product price")

# Create the FastAPI application
app = FastAPI()

# Create a connection to the SQLite database
def create_connection():
    """Create a connection to the SQLite database"""
    conn = None
    try:
        conn = sqlite3.connect(DATABASE

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