improvement(helm): add per-deployment extraVolumes support

[waleedlatif1]

Summary

• Add per-deployment extraVolumes and extraVolumeMounts for app, realtime, and ollama
• Allows users to mount volumes to specific deployments instead of all deployments
• Maintains backward compatibility with global extraVolumes

Type of Change

• New feature / enhancement

Testing

Tested with helm lint --strict and helm template with various volume configurations

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

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Project	Deployment	Review	Updated (UTC)
docs	Ready	Preview, Comment	Jan 22, 2026 7:26pm

[greptile-apps]

Greptile Summary

This PR adds per-deployment extraVolumes and extraVolumeMounts configuration options for the app, realtime, and ollama deployments, allowing users to mount volumes to specific deployments instead of mounting them globally to all deployments.

The implementation:

• Adds app.extraVolumes, app.extraVolumeMounts, realtime.extraVolumes, realtime.extraVolumeMounts, ollama.extraVolumes, and ollama.extraVolumeMounts to values.yaml
• Updates deployment templates to merge both global (extraVolumes/extraVolumeMounts) and per-deployment volumes using proper conditional logic
• Maintains backward compatibility with existing global extraVolumes and extraVolumeMounts configuration
• Integrates cleanly with ollama's existing persistence volume configuration

The changes follow established Helm patterns for volume configuration and maintain consistency across all three deployments.

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The changes follow standard Helm template patterns for conditional volume configuration, maintain backward compatibility, and use proper YAML indentation. The implementation is consistent across all affected deployments and integrates well with existing volume logic.
• No files require special attention

Important Files Changed

Filename	Overview
helm/sim/templates/deployment-app.yaml	Added per-deployment extraVolumes and extraVolumeMounts support with proper conditional logic merging global and deployment-specific volumes
helm/sim/templates/deployment-realtime.yaml	Added per-deployment extraVolumes and extraVolumeMounts support with proper conditional logic merging global and deployment-specific volumes
helm/sim/templates/deployment-ollama.yaml	Added per-deployment extraVolumes and extraVolumeMounts support integrated with existing persistence volume logic
helm/sim/values.yaml	Added extraVolumes and extraVolumeMounts configuration options to app, realtime, and ollama sections with descriptive comments

Sequence Diagram

sequenceDiagram
    participant User as Helm User
    participant Values as values.yaml
    participant Templates as Deployment Templates
    participant K8s as Kubernetes

    User->>Values: Configure volumes
    Note over Values: Global extraVolumes<br/>or per-deployment volumes

    Values->>Templates: Pass configuration
    
    alt Global volumes only
        Templates->>Templates: Apply extraVolumes to all
    else Per-deployment volumes
        Templates->>Templates: Apply deployment-specific volumes
    else Both configured
        Templates->>Templates: Merge global + per-deployment
    end

    Templates->>K8s: Create deployment with volumes
    Note over K8s: volumeMounts in container<br/>volumes in pod spec

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