⚡ Live Sandbox: AI Dev Tool: Show HN Ballet

📝 Editable Code Sandbox

```python
# AI Dev Tool: FastAPI Pydantic v2 Micro-SaaS Boilerplate
# Description: Production-ready starter boilerplate for building micro-SaaS applications
# Author: [Your Name]

from fastapi import FastAPI, Depends, HTTPException
from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
from pydantic import BaseModel
from typing import Optional
import sqlite3
from sqlite3 import Error

# Initialize the FastAPI application
app = FastAPI()

# Define the OAuth2 password bearer
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")

# Define the user model
class User(BaseModel):
    """User model"""
    id: int
    username: str
    email: str
    full_name: Optional[str] = None

# Define the token model
class Token(BaseModel):
    """Token model"""
    access_token: str
    token_type: str

# Define the database connection
def create_connection():
    """Create a database connection"""
    conn = None
    try:
        conn = sqlite3.connect("database.db")
        return conn
    except Error as e:
        print(e)

# Create the database tables
def create_tables(conn):

🖥️ Interactive Execution Terminal Console

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