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Production deployment patterns

Graceful shutdown, prod config, rollouts, readiness probes, and ship-with-confidence checks.

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Production deployment patterns easy

How to Build a Simple Data Helper Class in Python

A beginner-friendly DataHelper class that stores Python dataclass objects as JSON records to disk, with load, add, and save methods.

dataclass json file-io
Python 
import json
from dataclasses import dataclass, asdict
from pathlib import Path

@dataclass
class User:
    name: str
    age: int
    email: str

class DataHelper:
    def __init__(self, filepath: str = "data.json"):
        self.filepath = Path(filepath)
        self._data = self._load()
    
    def _load(self) -> l…
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