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```python
# AI Dev Tool: FastAPI Pydantic v2 Micro-SaaS Boilerplate
# Description: Production-ready starter boilerplate for building micro-SaaS applications with FastAPI and Pydantic v2
# Author: [Your Name]

from fastapi import FastAPI, Depends, HTTPException
from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
from pydantic import BaseModel, Field
from pydantic.validators import EmailStr
from typing import Optional
from sqlalchemy import create_engine, Column, Integer, String
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from cloudflare import CloudflareAPI

# Initialize FastAPI application
app = FastAPI()

# Initialize Cloudflare API
cloudflare_api = CloudflareAPI()

# Initialize database engine
engine = create_engine("postgresql://user:password@host:port/dbname")
Base = declarative_base()

# Define user model
class User(Base):
    __tablename__ = "users"
    id = Column(Integer, primary_key=True)
    email = Column(String, unique=True)
    password = Column(String)

# Create database tables
Base.metadata.create_all(engine)

# Define OAuth2 password bearer
oauth2

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