Advanced concepts in CI/CD & Automation, page 3
Flagger: Progressive Delivery for Kubernetes
Flagger is an automated traffic cop for Kubernetes releases. It gradually shifts traffic to new versions while monitoring metrics, enabling safe canary or blue/green deployments with service meshes or ingress controllers.
Argo CD Image Updater: Automate Image Updates
An Image Updater automates deployments by watching for new container image versions and telling Argo CD to update your app. It's used to automatically roll out new builds, but misconfiguring update strategies can accidentally deploy unstable tags to…
Argo CD ApplicationSet: Manage Many Applications as One
Think of an ApplicationSet as a factory for Argo CD Applications. It uses a template and generators to automatically create apps for many clusters or services in a monorepo.
Argo AnalysisTemplates: Reusable Health Checks for Deployments
An AnalysisTemplate is a reusable recipe for judging a deployment's health. During a canary rollout, Argo uses it to query metrics like error rates to decide whether to promote or roll back the new version.
Platform API: The Contract for Your Developer Platform
The Platform API is the central contract for your internal developer platform, abstracting complex tooling into simple, self-service actions. It's what a developer portal or CLI calls to provision a database or scaffold a new service without knowing the…
Crossplane: The Kubernetes Control Plane for Infrastructure
Crossplane turns your Kubernetes cluster into a universal control plane for all your cloud infrastructure, not just containers. Use it to let developers provision cloud resources like databases using familiar kubectl commands.
Score: Define Your Workload Once, Run Anywhere
Score is a universal remote for your workload configs, letting you define what your app needs once in a score.yaml file. It translates this spec into files for Docker Compose or Kubernetes, preventing config drift.
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