<aside> 📚 📁 Category: Kubernetes

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Overview

Deployments manage the desired state of Pods, enabling declarative updates, rolling deployments, rollbacks, and scaling while ensuring availability.

<aside> ℹ️ Why It Matters: Understanding Deployments is essential for building robust, scalable, and secure modern applications.

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Key Concepts

• [x] Declarative Pod Management - Define desired state
• [x] ReplicaSets - Maintain pod replicas
• [x] Rolling Updates - Zero-downtime deployments
• [x] Rollbacks - Revert to previous versions
• [x] Scaling - Horizontal pod scaling
• [x] Update Strategies - RollingUpdate, Recreate
• [x] Revision History - Track changes
• [x] Pod Disruption Budgets - Availability guarantees

Common Use Cases

<aside> 💡 Where to Apply Deployments

                        Stateless applications
                        Web applications
                        API services
                        Microservices updates
                        Blue-green deployments
                        Canary releases

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Best Practices

• [x] Set resource requests/limits
• [x] Use health probes
• [x] Version image tags
• [x] Use pod disruption budgets