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Release v0.2.0 - Production Hardening

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@jaymyaka jaymyaka released this 12 Feb 09:03
v0.2.0
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Release v0.2.0 - Production Hardening

🎯 Overview

v0.2.0 focuses on Production Hardening with a complete observability stack including Prometheus alerts, Alertmanager routing, and comprehensive documentation.

✨ Features

Observability Stack

  • Prometheus Alert Rules with SLO-aligned metrics

    • Error rate alerts (5xx, 4xx tracking)
    • Latency alerts (p95, p99 thresholds)
    • Saturation alerts (resource utilization)
    • Environment-specific configurations for dev, stage, prod

  • Alertmanager Configuration for multi-environment routing

    • Critical alerts → Slack notifications
    • Warning alerts → Email routing
    • Customizable routing based on severity and environment

  • Metrics & Monitoring

    • prometheus.yml for scrape configuration
    • Grafana dashboards for logs, metrics, and traces
    • Complete monitoring setup guide

Documentation & Release Process

  • Release notes template (docs/RELEASE_NOTES.md)
  • Release PR template for standardized releases
  • Complete observability documentation with setup guides
  • Troubleshooting guide for monitoring issues

Docker & Build Improvements

  • Fixed Dockerfile to include Readme.md and src/ in build context
  • Improved build reliability

🔧 Technical Details

Components Updated:

  • infra/prometheus/alerts/dataenginex-alerts.yml - SLO alert rules
  • infra/alertmanager/alertmanager.yml - Alert routing
  • prometheus.yml - Metrics scrape config
  • docs/OBSERVABILITY.md - Observability guide
  • docs/RELEASE_NOTES.md - Release notes format
  • docs/release-pr-template.md - Release PR template
  • Dockerfile - Build context fixes
  • pyproject.toml - Version bump to 0.2.0

✅ Testing

  • All 29 tests passing
  • Docker build verified
  • Integration tests include e2e API tests
  • CD workflow tested and working

🚀 Deployment

  • FastAPI v0.2.0 service
  • Structured logging with structlog
  • OTLP tracing integration
  • Prometheus metrics collection
  • Production-grade observability stack

📋 Release Checklist

  • ✅ Observability stack implemented
  • ✅ Alert rules configured for all environments
  • ✅ Alertmanager routing configured
  • ✅ Documentation completed
  • ✅ Docker build improvements applied
  • ✅ Tests passing
  • ✅ Release workflow documented

🔄 What's Next

v0.3.0 will focus on:

  • Additional API features
  • Enhanced monitoring
  • Performance optimizations

Release Date: February 12, 2026
Release Engineer: data-literate
Version: 0.2.0
Status: Stable

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