BREAKING CHANGE: prefix registry user env var with STATICREG_

[fntlnz]

No description provided.

[fntlnz]

@claude

[claude]

Claude finished @fntlnz's task —— View job

---

Code Review: Environment Variable Prefix Breaking Change

Todo List:

• Read repository guidelines (CLAUDE.md) - no CLAUDE.md found
• Review each changed file to understand the scope
• Verify consistency of the environment variable change
• Check if breaking change is properly documented
• Provide comprehensive review feedback

---

Summary

This PR implements a BREAKING CHANGE that adds the STATICREG_ prefix to the REGISTRY_USER environment variable for consistency with other configuration variables. The change affects 5 files and bumps the version from 0.5.2 to 0.6.0.

✅ What's Done Well

Complete and Consistent Implementation

All references to the old REGISTRY_USER environment variable have been properly updated to STATICREG_REGISTRY_USER:

• ✅ Code (cmd/root.go:77) - Environment variable reading updated
• ✅ Documentation (README.md:107, 157) - CLI docs and Kubernetes examples updated
• ✅ Architecture docs (docs/ARCHITECTURE.md:166) - Environment variable list updated
• ✅ Kubernetes manifests (manifests/deployment.yml:42) - Secret key reference updated
• ✅ Version bump (VERSION) - Appropriately bumped to 0.6.0 for breaking change

Proper Breaking Change Handling

• ✅ Semantic versioning: Major version bump (0.5.2 → 0.6.0) correctly signals breaking change
• ✅ Commit message: Properly marked with BREAKING CHANGE: prefix following conventional commits
• ✅ No orphaned references: Verified no old REGISTRY_USER references remain in codebase

Consistency Achievement

This change achieves the stated goal of consistency - all registry-related environment variables now use the STATICREG_ prefix:

• STATICREG_REGISTRY_HOSTNAME ✅
• STATICREG_REGISTRY_USER ✅ (newly prefixed)
• STATICREG_REGISTRY_PASSWORD ✅

📝 Minor Observations

Documentation Coverage

The breaking change is well-documented through:

• Updated CLI help text with correct environment variable name
• Updated README examples (both env vars and Kubernetes secrets)
• Updated architecture documentation

Migration Path

Users upgrading will need to:

1. Update their environment variable from REGISTRY_USER to STATICREG_REGISTRY_USER
2. Update Kubernetes secrets to use the new key name
3. Update any automation/scripts referencing the old variable

This is clearly a runtime breaking change - existing deployments will fail to authenticate until the environment variable is renamed.

✅ Final Assessment

APPROVED - This is a clean, well-executed breaking change that:

• ✅ Achieves consistency across all environment variables
• ✅ Updates all relevant files comprehensively
• ✅ Follows proper semantic versioning practices
• ✅ Uses conventional commit standards for breaking changes
• ✅ Updates all documentation and examples

The change is straightforward and the migration path is clear. Users will need to update their environment variable configuration, but this is well-documented and the error will be obvious (authentication failure) if missed.

---