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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.
# Author: [Your Name]

from fastapi import FastAPI, Depends
from fastapi.responses import JSONResponse
from pydantic import BaseModel
from typing import Optional
import uvicorn
import logging

# Initialize the FastAPI application
app = FastAPI()

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

# Define a dependency for authentication
async def get_current_user():
    # Replace with your authentication logic
    return User(id=1, name="John Doe", email="john.doe@example.com")

# Define a route for the root URL
@app.get("/")
async def read_root(current_user: User = Depends(get_current_user)):
    return {"message": f"Hello, {current_user.name}!"}

# Define a route for user data
@app.get("/users/")
async def read_users(current_user: User = Depends(get_current_user)):
    # Replace with your database logic
    users = [User(id=

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