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What's Supported

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This page lists the deployment targets, manifest stores, and artifact sources supported in Harness Deployments.

Kubernetes​

Supported deployment strategies

StrategyDescription
RollingIncrementally replaces pods batch by batch with automatic rollback
CanaryDeploys a subset of pods alongside stable pods, then promotes with a rolling deploy
Blue-greenMaintains two pod sets and swaps service selectors at cutover
Blank canvasNo managed steps — build your own sequence for Jobs, CronJobs, and supporting resources

Supported manifest types

K8s Manifest, Values YAML, Helm Chart, Kustomize, Kustomize Patches, OpenShift Template

Supported infrastructure providers

Kubernetes (direct), Google Kubernetes Engine (GKE), Microsoft Azure (AKS), Amazon Elastic Kubernetes Service (EKS), Rancher

Other

CapabilitySupported
OpenShift (DeploymentConfig, oc client)✅
Server-side apply✅
Manifest pruning✅
Automatic rollback on failure✅
Kubernetes Steady State Check✅
Harness release history tracking✅
Delegate 1.0 and Delegate 3.x✅

Helm​

Supported deployment strategies

StrategyDescription
Basic deployRuns helm upgrade --install in a single phase
CanaryDeploys a canary Helm release at a specified instance count, then deletes after promotion
Blue-greenDeploys to a stage Helm release, swaps traffic, then cleans up the old release

Supported Helm versions

VersionSupport
Helm V3✅
Helm V2Deprecated

Supported chart store types

Harness Code, GitHub, Git, GitLab, Bitbucket, Azure Repos, Amazon S3, Google Cloud Storage, HTTP Helm

Other

CapabilitySupported
helm test after deploy✅
Server-side chart rendering✅
Automatic rollback on failure✅ (via Helm Rollback step)
Ignore failed release history✅
Manifest pruning❌ (Helm manages release state natively)
Delegate 1.0 and Delegate 3.x✅
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