Reference library

Production deployment patterns

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

6 matches

Generate a Mock Artifact Version Tag in Python

Creates a mock build artifact version tag from a branch name and build number, with a date stamp.

import re
from datetime import datetime

def mock_version_tag(branch_name: str, build_number: int) -> str:
    """Generate a mock build artifact version tag from branch and build number."""
    branch_slug = re.sub(r'[^a-zA-Z0-9]+', '-', branch_name).strip('-').lower()
    date_part = datetime.utcnow().strftime('%Y%m%…

13 0 Open

Production deployment patterns easy

How to Build a Data Helper for Production Deployment in Python

Build a reusable DataHelper class that loads configs, validates required keys, normalizes string values, and logs schema details — a production-ready data processing pattern.

json pathlib data-processing

Python

import json
from pathlib import Path
from typing import Any, Dict

class DataHelper:
    """Common data processing patterns for production deployment."""
    
    def __init__(self, config_path: str | Path):
        self.config_path = Path(config_path)
        self.config = self._load_config()
    
    def _load_confi…

14 0 Open

Production deployment patterns easy

How to Mock a Dockerfile Multi-Stage Build in Python

Simulate a Dockerfile multi-stage build process in Python using dataclasses to validate stage ordering and file availability before you write the real Dockerfile.

dockerfile multi-stage simulation

Python

from dataclasses import dataclass
from pathlib import Path


@dataclass
class BuildStage:
    name: str
    base_image: str
    files: list[str]
    commands: list[str]


def run_build(stage: BuildStage, context_dir: Path):
    print(f"=== Stage: {stage.name} (base: {stage.base_image}) ===")
    for file in stage.file…

14 0 Open

Production deployment patterns easy

How to Mock a GitHub Actions Workflow in Python

Build a dataclass-based model of a GitHub Actions workflow and simulate its execution to validate steps and outputs before deployment.

github-actions dataclasses mock

Python

import json
from dataclasses import dataclass, asdict
from typing import List, Dict, Any


@dataclass
class Step:
    name: str
    run: str


@dataclass
class Job:
    name: str
    steps: List[Step]
    runs_on: str = "ubuntu-latest"


@dataclass
class Workflow:
    name: str
    jobs: List[Job]

    def to_github_a…

13 0 Open

Production deployment patterns easy

How to Mock a Kubernetes Rolling Update with maxSurge in Python

Simulate a Kubernetes rolling update with maxSurge policy, tracking peak and final replica counts during roll transitions.

kubernetes rolling-update maxsurge

Python

from collections import deque

class RollingUpdateMaxSurge:
    def __init__(self, replicas, max_surge):
        self.replicas = replicas
        self.max_surge = max_surge
        self.available = replicas
        self.history = deque()

    def roll(self, desired_replicas):
        """
        Simulate a rolling upd…

13 0 Open

Production deployment patterns easy

How to build a maintenance mode page in Python

Mock a service maintenance status page that computes remaining downtime and lists affected features from a simple class.

maintenance status datetime

Python

from datetime import datetime

class MaintenanceMode:
    """Mock a maintenance mode status page for a service."""
    
    def __init__(self, service_name: str, scheduled_end: str):
        self.service_name = service_name
        self.scheduled_end = datetime.fromisoformat(scheduled_end)
        self.affected_featur…

13 0 Open

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