What's Supported

Supported deployment targets, manifest stores, and artifact sources for Harness Deployments.

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

Deployments

Kubernetes

Supported deployment strategies

Strategy	Description
Rolling	Incrementally replaces pods batch by batch with automatic rollback
Canary	Deploys a subset of pods alongside stable pods, then promotes with a rolling deploy
Blue-green	Maintains two pod sets and swaps service selectors at cutover
Blank canvas	No 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

Capability	Supported
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	✅

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Helm

Supported deployment strategies

Strategy	Description
Basic deploy	Runs helm upgrade --install in a single phase
Canary	Deploys a canary Helm release at a specified instance count, then deletes after promotion
Blue-green	Deploys to a stage Helm release, swaps traffic, then cleans up the old release

Supported Helm versions

Version	Support
Helm V3	✅
Helm V2	Deprecated

Supported chart store types

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

Other

Capability	Supported
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	✅

Manifest Sources

Manifests and config files can be stored in the following sources. The table shows which sources are supported per manifest type.

Manifest type	Harness Code	GitHub	Git	GitLab	Bitbucket	Azure Repos	AWS S3	Google Cloud Storage	HTTP Helm	Custom Remote
K8s Manifest	✅	✅	✅	✅	✅	✅				✅
Values YAML	✅	✅	✅	✅	✅	✅	✅			✅
Kustomize	✅	✅	✅	✅	✅	✅
Kustomize Patches	✅	✅	✅	✅	✅	✅				✅
OpenShift Template	✅	✅	✅	✅	✅	✅				✅
Helm Chart	✅	✅	✅	✅	✅	✅	✅	✅	✅

Artifacts

The table shows which artifact sources are supported per deployment type.

Deployment type	Harness Artifact Registry	Docker Hub	Amazon ECR	GCR*	ACR	Artifactory	Nexus 3	Google Artifact Registry	GitHub Package Registry	Custom
Kubernetes	✅	✅	✅	✅	✅	✅	✅	✅	✅	✅
Helm	✅	✅	✅	✅	✅	✅	✅		✅	✅

GCR is deprecated. Migrate to Google Artifact Registry.