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```python # AI Dev Tool: FastAPI Hono Cloudflare Workers D1 Starter # Introduction to AI-Native Micro-SaaS Template from fastapi import FastAPI, HTTPException from pydantic import BaseModel from typing import List, Optional import os import json import psycopg2 from psycopg2 import Error # Initialize FastAPI app app = FastAPI() # Define Pydantic models class User(BaseModel): id: int name: str email: str class Item(BaseModel): id: int title: str description: str price: float # Define PostgreSQL connection settings POSTGRES_HOST = os.environ.get('POSTGRES_HOST', 'localhost') POSTGRES_DB = os.environ.get('POSTGRES_DB', 'mydb') POSTGRES_USER = os.environ.get('POSTGRES_USER', 'myuser') POSTGRES_PASSWORD = os.environ.get('POSTGRES_PASSWORD', 'mypassword') # Define Cloudflare Workers D1 settings D1_ACCOUNT_ID = os.environ.get('D1_ACCOUNT_ID', '') D1_API_KEY = os.environ.get('D1_API_KEY', '') D1_API_SECRET = os.environ.get('D1_API_SECRET', '')
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