⚡ Live Sandbox: AI Dev Tool: AGENTSmd AINative SaaS (pyz3)

📝 Editable Code Sandbox

```python
# AI Dev Tool: FastAPI Pydantic v2 Micro-SaaS Boilerplate
# =====================================================
# This is a production-ready developer code asset for building micro-SaaS applications.
# It combines the power of FastAPI, Pydantic v2, and PostgreSQL Vector Search Extension.

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

# Define the FastAPI application
app = FastAPI()

# Define the Pydantic model for the micro-SaaS application
class MicroSaaSApp(BaseModel):
    id: int
    name: str
    description: str
    keywords: List[str]

# Define the PostgreSQL connection settings
POSTGRES_HOST = "localhost"
POSTGRES_DB = "microsaas"
POSTGRES_USER = "microsaas"
POSTGRES_PASSWORD = "microsaas"

# Create a connection to the PostgreSQL database
def create_connection():
    connection = None
    try:
        connection = psycopg2.connect(
            host=POSTGRES_HOST,
            database=POSTGRES_DB,
            user=POSTGRES_USER,
            password=POSTGRES_PASSWORD,

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