⚡ Live Sandbox: AI Dev Tool: Neki Sharded Postgres

📝 Editable Code Sandbox

```python
# AI Dev Tool: FastAPI Postgres Sharding Micro-SaaS
# ================================================
# This is a production-ready developer code asset for building micro-SaaS applications
# using FastAPI, Postgres, and sharding for horizontal scaling.

import os
import uvicorn
from fastapi import FastAPI, Depends
from fastapi.responses import JSONResponse
from pydantic import BaseModel
from typing import Optional
from psycopg2 import connect, Error
from psycopg2.extras import DictCursor

# Define the Postgres connection settings
POSTGRES_HOST = os.environ.get("POSTGRES_HOST", "localhost")
POSTGRES_PORT = os.environ.get("POSTGRES_PORT", 5432)
POSTGRES_USER = os.environ.get("POSTGRES_USER", "postgres")
POSTGRES_PASSWORD = os.environ.get("POSTGRES_PASSWORD", "postgres")
POSTGRES_DB = os.environ.get("POSTGRES_DB", "mydb")

# Define the sharding settings
SHARD_COUNT = int(os.environ.get("SHARD_COUNT", 5))

# Create a FastAPI application
app = FastAPI()

# Define a Pydantic model for the user data
class UserData(BaseModel):
    id: int
    name: str
    email: str

🖥️ Interactive Execution Terminal Console

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