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```python
# AI Dev Tool: FastAPI Pydantic Micro-SaaS Starter with Supabase and Cloudflare Worker
# ==============================================================================
# This is a production-ready starter boilerplate for building micro-SaaS applications
# using FastAPI, Pydantic, Supabase, and Cloudflare Worker.

from fastapi import FastAPI, Depends, HTTPException
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
from pydantic import BaseModel
from supabase import create_client, Client
from cloudflare import Cloudflare
import os
import json

# Initialize FastAPI app
app = FastAPI()

# Initialize Supabase client
SUPABASE_URL = os.environ.get("SUPABASE_URL")
SUPABASE_KEY = os.environ.get("SUPABASE_KEY")
supabase: Client = create_client(SUPABASE_URL, SUPABASE_KEY)

# Initialize Cloudflare client
CLOUDFLARE_EMAIL = os.environ.get("CLOUDFLARE_EMAIL")
CLOUDFLARE_API_KEY = os.environ.get("CLOUDFLARE_API_KEY")
cloudflare = Cloudflare(email=CLOUDFLARE_EMAIL, api_key=CLOUDFLARE_API_KEY)

# Define Pydantic models
class User(BaseModel):
    id: int
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