Production deployment patterns
Graceful shutdown, prod config, rollouts, readiness probes, and ship-with-confidence checks.
How to Smoke Test a Deployment in Python with unittest.mock
Run a post-deploy smoke test by mocking the deployment status check to verify your health-check logic returns PASS/FAIL.
import unittest
from unittest.mock import Mock, patch
class DeploymentService:
def check_status(self):
return "unknown"
def smoke_test_deploy():
service = DeploymentService()
with patch.object(service, "check_status", return_value="healthy") as mock_check:
status = service.check_status()
…
How to mock S3 remote backend for Terraform in Python
Simulate a Terraform S3 remote backend using moto to write and read state files, enabling local testing without real AWS.
import boto3
from moto import mock_aws
import json
from pathlib import Path
@mock_aws
def demo_s3_remote_backend():
s3 = boto3.client("s3", region_name="us-east-1")
bucket = "terraform-state-bucket"
key = "env/prod/terraform.tfstate"
s3.create_bucket(Bucket=bucket)
# Simulate Terraform w…
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Production deployment patterns — Python code examples
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