Hera Backoffice

Executive Summary

Hera Backoffice demonstrates disciplined modernization of a production legacy PHP business administration system: understand existing behavior, stabilize workflows, move change into Git, improve security and maintainability incrementally, and release with rollback in mind.

Problem

Legacy workflows needed stabilization, clearer maintenance paths, and safer releases.

Role

Senior PHP Developer

Responsibilities

• Legacy-system analysis
• Workflow stabilization
• Maintainability and security improvements
• Git-based deployment and documentation

Technical Stack

PHP · MySQL · JavaScript · Linux · Git

Architecture

The existing PHP application and database remain the operational core.

Modernization introduces explicit Git history, documented release boundaries, focused regression checks, and narrow maintainability improvements.

Production configuration, client data, private rules, and internal topology remain deliberately excluded.

flowchart LR
    W[Business workflow] --> L[Legacy PHP application]
    L --> D[(Production database)]
    G[Git-reviewed change] --> R[Focused regression checks]
    R --> B[Backup and rollback gate]
    B --> L
    L --> O[Logs and smoke verification]

Engineering Challenges

Improving a live legacy system without disrupting business-critical workflows.

Security Considerations

Sanitized case study. Client information, production URLs, source code, data, and business rules are confidential.

Production Considerations

• Backups and restoration paths are established before changing production behavior.
• Changes are small, reversible, and checked against the affected workflow.
• Git-based deployment records the exact release while logs and smoke checks validate the result.

Lessons Learned

Legacy modernization succeeds through disciplined understanding and controlled change.

Current Status

Production modernization and support. A safer maintenance and release practice with incremental improvements to the existing platform.

Future Roadmap

• Continue isolating high-risk legacy boundaries behind clearer application seams.
• Add regression evidence around frequently changed workflows.
• Improve documentation and security controls without forcing an unsupported rewrite.