⚡ Live Sandbox: AI Dev Tool: Bun Hono TypeSafe Boilerplate

📝 Editable Code Sandbox

```python
# AI Dev Tool: FastAPI Pydantic v2 Micro-SaaS Boilerplate with PostgreSQL Vector Search Extension
# =========================================================================================
# This is a production-ready developer code asset for building high-performance Micro-SaaS applications
# using FastAPI, Pydantic v2, and PostgreSQL Vector Search Extension.

from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
from typing import List, Optional
import psycopg2
import psycopg2.extras
from psycopg2 import Error

# Initialize FastAPI app
app = FastAPI()

# Define Pydantic models for data validation
class User(BaseModel):
    id: int
    name: str
    email: str

class Item(BaseModel):
    id: int
    title: str
    description: str

# Define PostgreSQL database connection settings
DB_HOST = "localhost"
DB_NAME = "mydatabase"
DB_USER = "myuser"
DB_PASSWORD = "mypassword"

# Establish a connection to the PostgreSQL database
def connect_to_db():
    try:
        connection = psycopg2.connect(
            host=DB_HOST,
            database=DB_NAME,
            user=DB_USER,
            password=DB_PASSWORD
        )
        return connection
    except Error as e:

🖥️ Interactive Execution Terminal Console

⚡ Ready! Click ▶️ Run Code to execute code in browser terminal...