⚡ Live Sandbox: AI Dev Tool: PostgreSQL Vector Search (gr58)

📝 Editable Code Sandbox

```python
# AI Dev Tool: FastAPI Hono Cloudflare Workers D1 Starter
# Micro-SaaS Template with Pydantic v2 and PostgreSQL Vector Search Extension

from fastapi import FastAPI, Depends
from fastapi.responses import JSONResponse
from fastapi.requests import Request
from pydantic import BaseModel
from typing import Optional
import uvicorn
import cloudflare
import psycopg2
from psycopg2 import extras

# Initialize FastAPI app
app = FastAPI()

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

# Define Cloudflare Worker
worker = cloudflare.Worker(
    script="""
        addEventListener('fetch', (event) => {
            event.respondWith(handleRequest(event.request))
        })

async function handleRequest(request) {
            return new Response('Hello from Cloudflare Worker!', {
                headers: { 'content-type': 'text/plain' },
            })
        }
    """
)

# Define PostgreSQL database connection
conn = psycopg2.connect(
    host="localhost",
    database="mydatabase",
    user="myuser",
    password="mypassword"
)

# Define API endpoint for user data
@app.get

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