deployment

Submitting to the App Store requires careful preparation and compliance with Apple's guidelines. I configure app metadata in App Store Connect—screenshots, descriptions, keywords, categories. The build must be archived with a distribution certificate

Maintenance mode gracefully takes applications offline for updates without showing errors. The php artisan down command activates maintenance mode, showing a default or custom view. The --secret option creates bypass tokens for testing. The --retry he

Feature flags (feature toggles) enable/disable functionality without code deployment. I use libraries like Togglz or FF4J for flag management. Flags support A/B testing, canary releases, and emergency kill switches. Strategy pattern determines flag st

Deploying Django to production requires many configuration changes. I set DEBUG=False and configure ALLOWED_HOSTS. Security settings include SECURE_SSL_REDIRECT, SESSION_COOKIE_SECURE, CSRF_COOKIE_SECURE. I use environment variables for secrets. Stati

Load balancers and orchestration platforms like Kubernetes rely on health check endpoints to determine if an application instance is ready to serve traffic. A robust health check doesn't just return 200 OK—it verifies critical dependencies like databa

Kubernetes orchestrates containerized applications at scale. Deployments manage ReplicaSets ensuring desired pod count. Services expose pods with stable endpoints. ConfigMaps externalize configuration. Secrets store sensitive data. Resource limits pre

Implement GitOps with ArgoCD for declarative, git-driven Kubernetes deployments. Configure Application and ApplicationSet resources, automated sync policies, health checks, and multi-environment promotion. Keep your cluster state in sync with your Git