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```python
# AI Dev Tool: Cloudflare Quick Tunnels PostgreSQL Vector Search Extension
# Description: A production-ready developer code asset for integrating Cloudflare Quick Tunnels with PostgreSQL Vector Search Extension
# Category: API Integration Wrapper

import os
import json
from typing import Dict, List
from fastapi import FastAPI, HTTPException
from fastapi.responses import JSONResponse
from fastapi.requests import Request
from pydantic import BaseModel
import psycopg2
import psycopg2.extras
from psycopg2 import Error

# Define the PostgreSQL database connection settings
POSTGRESQL_HOST = os.environ.get('POSTGRESQL_HOST', 'localhost')
POSTGRESQL_PORT = os.environ.get('POSTGRESQL_PORT', 5432)
POSTGRESQL_USER = os.environ.get('POSTGRESQL_USER', 'postgres')
POSTGRESQL_PASSWORD = os.environ.get('POSTGRESQL_PASSWORD', 'postgres')
POSTGRESQL_DATABASE = os.environ.get('POSTGRESQL_DATABASE', 'postgres')

# Define the Cloudflare Quick Tunnels settings
CLOUDFLARE_QUICK_TUNNELS_TOKEN = os.environ.get('CLOUDFLARE_QUICK_TUNNELS_TOKEN', '')
CLOUDFLARE_QUICK_TUNNELS_URL = os.environ.get

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