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feat(helm): add pod-level securityContext support for certificate mounting #19041

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@ausbru87 ausbru87 commented Jul 24, 2025 •
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Add pod-level securityContext support to Coder Helm chart

Adds coder.podSecurityContext field to enable pod-level security settings, primarily to solve TLS certificate mounting permission issues.

Problem: When mounting TLS certificates from Kubernetes secrets, the Coder process (UID 1000) cannot read the files due to restrictive permissions.

Solution: Setting podSecurityContext.fsGroup: 1000 ensures Kubernetes sets group ownership of mounted volumes to GID 1000, allowing the Coder process to read certificate files.

Changes:

  • Added podSecurityContext field to values.yaml with documentation
  • Updated _coder.yaml template to include pod-level security context
  • Added test case and golden files
  • Maintains backward compatibility (opt-in feature)

Usage:

coder:
  podSecurityContext:
    fsGroup: 1000  # Enables TLS cert access

Fixes #19038

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github-actions bot commented Jul 24, 2025 •
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All contributors have signed the CLA ✍️ ✅
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I have read the CLA Document and I hereby sign the CLA

cdrci2 added a commit to coder/cla that referenced this pull request Jul 24, 2025
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@ausbru87 has signed the CLA in coder/coder#19041
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@ausbru87 ausbru87 changed the title [WIP] feat(helm): Add pod-level securityContext support - Fixes #19038 [WIP] feat(helm): add pod-level securityContext support for certificate mounting Jul 24, 2025
@ausbru87 ausbru87 changed the title [WIP] feat(helm): add pod-level securityContext support for certificate mounting feat(helm): add pod-level securityContext support for certificate mounting Jul 24, 2025
@ausbru87 ausbru87 added the customer-requested Features requested by enterprise customers. Only humans may set this. label Jul 24, 2025
@ausbru87 ausbru87 linked an issue Jul 25, 2025 that may be closed by this pull request
feat(helm): Add pod-level securityContext support for certificate mounting #19038
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feat(helm): Add pod-level securityContext support for certificate mounting
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