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```python
# AI Dev Tool: FastAPI Pydantic v2 Micro-SaaS Template with Redis and Supabase Integration
# Category: Production Starter Boilerplate
# Description: A production-ready boilerplate for building micro-SaaS applications using FastAPI, Pydantic v2, Redis, and Supabase.

from fastapi import FastAPI, Depends, HTTPException
from fastapi.responses import JSONResponse
from pydantic import BaseModel
from redis import Redis
from supabase import create_client, Client
from typing import Optional

# Initialize FastAPI application
app = FastAPI()

# Initialize Redis client
redis_client = Redis(host='localhost', port=6379, db=0)

# Initialize Supabase client
supabase_url: str = "https://your-supabase-url.supabase.co"
supabase_key: str = "your-supabase-key"
supabase: Client = create_client(supabase_url, supabase_key)

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

# Define a route to create a new user
@app.post("/users/")
async def create_user(user: User):
    """
    Create a new user in

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