Complete AWS CI/CD study guide for DVA-C02. CodeCommit, CodeBuild, CodeDeploy (deployment strategies), and CodePipeline. Includes blue/green, canary, rolling deployments and common exam patterns.
AWS CodeDeploy deep dive for DVA-C02. Deployment groups, lifecycle hooks, rollbacks, appspec.yml for EC2, Lambda, and ECS, blue/green deployments, deployment configurations, and traffic shifting strategies.
Elastic Beanstalk for DVA-C02. Deployment policies (All at once, Rolling, Rolling with additional batch, Immutable, Blue/Green), .ebextensions, .platform, environment tiers, database decoupling, and Java Spring Boot deployment.
Components are the units of deployment — JARs, DLLs, shared libraries. Martin traces their history from early relocatable binaries to modern package managers, establishing the foundation for the component cohesion and coupling principles that follow.
A comprehensive guide to managing and verifying application configurations, environment variables priority, HashiCorp Vault secrets, Kafka topics, ACLs, and schema registry compatibility at deploy time.
Lambda Layers, Versions, and Aliases for DVA-C02. Layer structure, sharing across functions, version immutability, alias routing for canary deployments, and $LATEST vs published versions.
The **Deployment phase** moves tested, approved software from the staging environment to production. A well-executed deployment is **planned, automated.
**Roll-backward** (commonly called a **rollback**) is a deployment recovery strategy where the system is reverted to the **previously known-good version** when.
**Roll-forward** is a deployment recovery strategy where, instead of reverting to the previous version when an issue is detected, the team **fixes the defect.
Complete guide to Kubernetes workload resources — Deployments, ReplicaSets, StatefulSets, DaemonSets, Jobs, and CronJobs with rolling updates, rollbacks, and autoscaling.