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

from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
from typing import List
import uvicorn
import logging

# Initialize the FastAPI application
app = FastAPI()

# Define a Pydantic model for the user
class User(BaseModel):
    """User model."""
    id: int
    name: str
    email: str

# Define a Pydantic model for the product
class Product(BaseModel):
    """Product model."""
    id: int
    name: str
    price: float

# Define a route for getting all users
@app.get("/users/", response_model=List[User])
async def get_users():
    """Get all users."""
    # Replace this with a database query
    users = [
        User(id=1, name="John Doe", email="john@example.com"),
        User(id=2, name="Jane Doe", email="jane@example.com"),
    ]
    return users

# Define a route for getting a user by ID

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