Tag: ci-cd

How to version, apply, and rollback database schema changes using migration tools like Flyway, Alembic, and Liquibase in production environments.

How to deploy Docker containers to AWS ECS using Fargate serverless compute with Terraform and GitHub Actions

How to schedule and run background jobs using cron, task queues, and workers.

How to write reliable Bash scripts for automating deployments, system monitoring, log rotation, and routine maintenance tasks

Deploy with zero downtime using blue-green environments, instant traffic switching, and automated rollback capabilities.

Set up automated CI/CD pipelines for testing, building, and deploying applications with GitHub Actions and what works.

How to build a professional command-line interface with argument parsing, flags, and subcommands.

Scan Docker images for vulnerabilities, misconfigurations, and secrets using Trivy, integrate scanning into CI/CD pipelines, and enforce image policies before deployment to production

How to schedule and manage recurring tasks using cron syntax across Linux, Python, and Node.js.

How to containerize an application, write a Dockerfile, and run containers with Docker Compose.

Orchestrate multi-service local environments with Docker Compose including databases, caches, message brokers, and reverse proxies with hot reload and shared networks

Scan Docker images for vulnerabilities before deployment using Trivy and Grype. Covers CI integration, severity filtering, SBOM, and remediation.

How to read, set, and manage environment variables securely across Python, JavaScript, and Java.

How to implement feature toggles to safely roll out, test, and rollback functionality without deploying code.

How to build and serve live XML sitemaps from your application data, with multi-language support, pagination, and automatic lastmod dates.

A practical branching strategy for teams: feature branches, pull requests, and clean commit history.

How to build and deploy with GitHub Actions using workflows, matrices, caching, and secrets.

How to use GitHub Actions matrix strategy to test across multiple operating systems, language versions, and configurations with include, exclude, and dynamic matrices.

How to create and consume reusable workflows in GitHub Actions, covering inputs, secrets, conditional jobs, matrix strategy, and organization-wide sharing.

How to implement graceful shutdown and zero-downtime restarts for web servers, workers, and containers

Build interactive Grafana dashboards that visualize Prometheus metrics with panels, variables, and alerts for thorough service observability

How to implement a production-ready health check endpoint for monitoring and load balancers.

Package, version, and deploy Kubernetes applications using Helm charts with value overrides, template functions, and release management for reproducible infrastructure

Build immutable infrastructure with versioned machine images and containers to eliminate configuration drift and ensure reproducible deployments.

How to use Istio traffic splitting to perform safe canary deployments by gradually shifting user traffic between application versions

How to parse and validate application configuration files using YAML and JSON schemas.

How to set up pre-commit hooks with husky, lint-staged, and pre-commit to enforce code quality before commits

Instrument applications and infrastructure with Prometheus metrics, configure alerting rules, and set up recording rules for efficient monitoring of service health

How to implement resilient retry logic with exponential backoff and jitter for transient failures in network and API calls.

How to store, rotate, and inject API keys, database passwords, and certificates without hardcoding them in source code or environment files.

How to configure GitLab CI/CD pipelines for testing, building, and deploying applications using .gitlab-ci.yml with stages, jobs, caching, and runners.

How to use Terraform to provision a production-ready AWS VPC with public and private subnets, NAT gateways, and security groups

Mirror production traffic to staging environments for realistic testing, shadow deployments, and performance validation without user impact.

How to measure, report, and enforce code coverage with branch and condition coverage using pytest-cov, nyc, and JaCoCo for meaningful quality gates.

Version your LLM prompts with eval scores, change history, rollback support, and A/B testing. Includes prompt metadata schema, changelog format, evaluation tracking, and CI/CD integration for prompt management.

A template for documenting CI/CD pipeline stages, gates, environments, deployment strategies, rollback procedures, and security scanning.

Checklist for hardening Docker container images for production: base image selection, user permissions, file system restrictions, network isolation, resource limits, secret management, vulnerability scanning, and CI/CD integration with Dockerfile examples.

A document template for defining Git workflow, branching conventions, merge requirements, and release procedures for engineering teams.

Policy for versioning and publishing Terraform modules: semantic versioning rules, breaking change management, module registry publishing, changelog requirements, deprecation process, and CI/CD integration with examples for Terraform Cloud and private registries.

Template for defining and enforcing web performance budgets: LCP, INP, CLS targets, resource budgets for JS, CSS, images, fonts, third-party scripts, CI/CD integration with Lighthouse CI, and alerting thresholds with examples for Next.js, Astro, and SPA architectures.

Pre-deploy and post-deploy checklist for serverless functions (AWS Lambda, Azure Functions, GCP Cloud Functions): IAM roles, environment variables, memory sizing, timeout config, logging, alarms, and rollback procedures.

A structured bug report template to help teams reproduce, triage, and resolve defects faster with clear reproduction steps and expected behavior.

A community code of conduct template to establish inclusive, respectful collaboration standards.

A disaster recovery plan template for documenting RTO/RPO targets, failover procedures, and recovery runbooks that minimize downtime during catastrophic failures.

A template for documenting how to set up local development, staging, and production environments consistently and reproducibly.

A structured capability request template to help teams evaluate, prioritize, and implement new capabilities with clear user value and acceptance criteria.

A thorough onboarding guide template to help new team members get productive quickly.

A checklist template for verifying deployments: health checks, smoke tests, metric validation, and rollback readiness before declaring all-clear.

An SLO document template that defines reliability targets, error budgets, and escalation policies for services and platforms.

A template for documenting test approach per project: pyramid, scope, environments, tools, CI/CD gates, and quality metrics.

A practical guide to securing CI/CD pipelines: secrets management, least-privilege runners, artifact signing, dependency scanning, and defending against supply chain attacks.

Build CI/CD pipelines from scratch with GitHub Actions. Covers workflows, runners, matrix builds, caching, secrets, environments, deployment strategies, and reusable workflows.

Master GitHub Actions for CI/CD: workflows, reusable workflows, composite actions, secrets management, runners, matrix builds, caching, and deployment patterns.

Learn Docker from the ground up: images, containers, Dockerfiles, networks, volumes, and Docker Compose for local development.

Compare trunk-based development, GitFlow, and GitHub Flow. Choose the right branching strategy for your team size, release cadence, and CI/CD maturity.

A practical guide to managing infrastructure as code: benefits of declarative vs imperative approaches, state management, modules, and testing infrastructure changes.

A practical guide to building a layered testing strategy with unit, integration, and end-to-end tests.