diff --git a/docs/workflows/development.md b/docs/workflows/development.md index 0d3298e2..a8237b1c 100644 --- a/docs/workflows/development.md +++ b/docs/workflows/development.md @@ -3,34 +3,518 @@ description: Explore the Ultralytics Handbookโ€”a comprehensive guide to our mis keywords: Ultralytics Handbook, coming soon, under construction, internal guide, mission, vision, values, workflows, open-source, AI guidelines --- -# Development +# Ultralytics Engineering workflows -## Handbook Under Construction ๐Ÿ—๏ธ๐Ÿ“– +## Our Mission -Welcome to the [Ultralytics](https://www.ultralytics.com/) [Handbook](https://handbook.ultralytics.com/) "Under Construction" page! We are diligently crafting a comprehensive guide that will serve as your go-to resource for understanding our mission, vision, values, workflows, and company practices. This page is a preview of the detailed documentation and guidelines soon to be available. +We as engineers, contributors, and maintainers are committed to building robust, secure, and innovative solutions that advance the field of computer vision and artificial intelligence. Our engineering practices prioritize code quality, security, and collaborative development to ensure the reliability and integrity of our products. -## What to Expect from the Handbook ๐Ÿ“˜ +We pledge to maintain the highest standards of software engineering while fostering an environment of continuous learning, knowledge sharing, and technical excellence. -- **Mission and Values:** Learn what drives Ultralytics forward and how we aim to make a lasting impact. -- **Operational Workflows:** Discover how we work internally, including development processes, team collaboration, and continuous improvement. -- **Contribution Guidelines:** Get involved! Detailed instructions on how to contribute to our projects and be part of the Ultralytics community. +## Core Engineering Principles -## Stay Informed ๐Ÿšง +Our engineering culture is built on the following foundational principles: -This placeholder page is just the start. Soon, youโ€™ll have access to: +- **Code Quality**: We write clean, maintainable, and well-documented code that stands the test of time +- **Security First**: We implement security best practices at every stage of development +- **Collaborative Development**: We believe that multiple perspectives improve code quality and reduce risk +- **Continuous Learning**: We embrace new technologies and methodologies that enhance our development process +- **Transparency**: We maintain clear documentation and communication about our engineering decisions +- **Accountability**: We take responsibility for our code and its impact on the broader system -- **Internal Workflows:** Best practices for development, testing, and open-source contributions. -- **Team Roles:** Detailed roles and responsibilities for team members and contributors. -- **Collaboration Guidelines:** Clear guidance for collaborating on projects and contributing effectively. +## Code Review Standards -## Be a Part of the Handbook ๐Ÿ—ฃ๏ธ +### Mandatory Code Review Policy -We value your input as we develop this resource. If you have suggestions or feedback, share your thoughts [here](https://www.ultralytics.com/survey). +All code changes to production branches must undergo thorough review before merging. This policy ensures code quality, knowledge sharing, and risk mitigation across our engineering teams. -## Thank You to Our Community ๐ŸŒ +#### 1+ Reviewer Requirement -Your [contributions](https://docs.ultralytics.com/help/contributing/) and feedback drive us to keep improving and refining the way we work at Ultralytics. Stay tuned as we roll out the complete handbook to help you engage, contribute, and align with our mission and values. +**Policy**: Every pull request (PR) must receive approval from at least one qualified reviewer before merging. + +**Rationale**: This requirement mitigates the risk of undetected bugs, security vulnerabilities, and architectural issues by preventing single-person code approvals. No individual, regardless of experience level or position, should merge code without independent review. + +**Implementation**: + +- Configure GitHub branch protection rules to require at least one approving review +- Disable the ability for PR authors to approve their own changes +- Ensure reviewers have appropriate expertise in the relevant codebase areas + +#### Multiple Reviewer Policy + +**Policy**: For critical system components, security-sensitive code, and major feature implementations, a minimum of two independent reviewers must approve the changes. + +**Rationale**: Multiple reviewers ensure: +- **Continuity**: Reduces dependency on single individuals for code review coverage +- **Quality Assurance**: Different perspectives catch issues that single reviewers might miss +- **Knowledge Distribution**: Spreads understanding of system changes across the team +- **Risk Mitigation**: Implements separation of duties as a safeguard against accidental or malicious changes +- **Bottleneck Prevention**: Prevents release delays caused by single reviewer unavailability + +**Implementation**: +- Require two approving reviews for PRs affecting core algorithms, security features, or deployment infrastructure +- Maintain a diverse pool of qualified reviewers across different expertise areas +- Establish clear escalation paths when multiple reviewers are unavailable + +### Review Guidelines + +#### For Reviewers + +**Technical Review Focus**: + +- Verify code functionality and logic correctness +- Assess performance implications and resource usage +- Check for security vulnerabilities and potential attack vectors +- Evaluate code maintainability and readability +- Ensure compliance with established coding standards and architectural patterns + +**Review Process**: + +- Provide constructive, specific feedback with clear rationale +- Suggest improvements rather than just identifying problems +- Test critical changes locally when necessary +- Document any concerns or questions for future reference +- Approve only when confident the code meets our quality standards + +#### For Authors + +**Pre-Review Preparation**: + +- Write comprehensive PR descriptions explaining the changes and their purpose +- Include relevant test cases and documentation updates +- Perform self-review to catch obvious issues before submission +- Ensure CI/CD pipelines pass successfully +- Break large changes into smaller, reviewable chunks when possible + +**During Review**: + +- Respond promptly to reviewer feedback and questions +- Provide additional context or clarification when requested +- Address all feedback before requesting re-review +- Maintain professional communication throughout the process + +## Security Standards + +### Security Review Requirements + +Code changes that involve any of the following must undergo additional security review: + +- Authentication and authorization mechanisms +- Data encryption and decryption processes +- External API integrations and data exchanges +- Database queries and data access patterns +- File system operations and data storage +- Network communications and protocols +- Input validation and sanitization + +### Security Best Practices + +- Implement input validation for all user-provided data +- Use parameterized queries to prevent SQL injection +- Apply the principle of least privilege for system access +- Regularly update dependencies to address known vulnerabilities +- Implement proper error handling without exposing sensitive information +- Use secure coding practices for cryptographic operations + +## Documentation Standards + +### Code Documentation + +- Include clear, concise docstrings for all public functions and classes +- Document complex algorithms and business logic with inline comments +- Maintain up-to-date README files for each project component +- Document API endpoints with comprehensive examples and parameter descriptions + +### Architecture Documentation + +- Maintain system architecture diagrams and design documents +- Document integration patterns and data flow between components +- Keep deployment and configuration documentation current +- Create troubleshooting guides for common issues + +## Testing Requirements + +### Automated Testing + +- Write unit tests for all new functionality with minimum 80% code coverage +- Implement integration tests for critical user workflows +- Maintain end-to-end tests for core system features +- Ensure all tests pass in CI/CD pipeline before merging + +### Manual Testing + +- Perform manual testing for user interface changes +- Conduct security testing for authentication and authorization features +- Test performance under expected load conditions +- Verify compatibility across supported platforms and environments + +## Secure Software Development Life Cycle (SDLC) + +The YOLO team follows a structured, security-focused SDLC framework that ensures consistent quality, security, and maintainability across all development phases. This framework is specifically tailored for computer vision and AI model development while maintaining enterprise-grade security standards. + +### SDLC Framework Overview + +Our SDLC consists of seven key phases, each with defined deliverables, security checkpoints, and quality gates: + +``` mermaid +%%{init: {'theme': 'forest', 'themeVariables': {'primaryColor': '#01579b', 'edgeLabelBackground':'#ffffff', 'tertiaryColor': '#e1f5fe'}}}%% + +flowchart TD + A[Planning] --> B[Requirements] + B --> C[Design] + C --> D[Implementation] + D --> E[Testing] + E --> F[Deployment] + F --> G[Maintenance] + + %% Feedback loop back to Planning + G --> A + + %% Add feedback loop label + G -.->|Continuous Feedback Loop| A + +``` + +### Phase 1: Planning + +**Objective**: Establish project scope, timeline, and resource allocation with security considerations from the outset. + +**Key Activities**: + +- Define project objectives and success criteria +- Conduct initial threat modeling and risk assessment +- Establish security requirements and compliance needs +- Create project timeline with security milestones +- Identify required expertise and team composition +- Plan for model performance benchmarks and evaluation metrics + +**Security Checkpoints**: + +- Security impact assessment +- Data privacy and compliance review +- Infrastructure security planning +- Third-party dependency evaluation + +**Deliverables**: + +- Project charter with security requirements +- Risk assessment documentation +- Resource allocation plan +- Security compliance checklist + +### Phase 2: Requirements Gathering + +**Objective**: Define functional and non-functional requirements including security, performance, and scalability specifications. + +**Key Activities**: + +- Gather and document functional requirements +- Define non-functional requirements (performance, scalability, security) +- Establish data requirements and sources +- Define model accuracy and performance benchmarks +- Create user stories and acceptance criteria +- Document regulatory and compliance requirements + +**Security Checkpoints**: + +- Data classification and handling requirements +- Authentication and authorization specifications +- Input validation and sanitization requirements +- Encryption and data protection standards + +**Deliverables**: + +- Requirements specification document +- Security requirements matrix +- Data handling and privacy requirements +- Performance and scalability criteria + +### Phase 3: Design + +**Objective**: Create architectural and detailed design documents that incorporate security by design principles. + +**Key Activities**: + +- Design system architecture and component interactions +- Create model architecture and training pipeline design +- Design data flow and processing workflows +- Plan API specifications and integration points +- Design security controls and access management +- Create database and storage architecture + +**Security Checkpoints**: + +- Architecture security review +- Threat modeling and attack surface analysis +- Security control design validation +- Data flow security assessment + +**Deliverables**: + +- System architecture diagrams +- Model architecture specifications +- API design documentation +- Security architecture document +- Database design and data models + +### Phase 4: Implementation + +**Objective**: Develop secure, high-quality code following established coding standards and security best practices. + +**Key Activities**: + +- Implement features according to design specifications +- Develop model training and inference pipelines +- Create automated testing frameworks +- Implement security controls and validation +- Develop documentation and code comments +- Conduct regular code reviews + +**Security Checkpoints**: + +- Secure coding practices enforcement +- Regular security code reviews +- Static Application Security Testing (SAST) +- Dependency vulnerability scanning + +**Deliverables**: + +- Production-ready code with comprehensive documentation +- Trained models with performance metrics +- Unit and integration tests +- Security implementation documentation + +### Phase 5: Testing + +**Objective**: Ensure comprehensive testing coverage including functionality, performance, security, and model accuracy validation. + +#### Automated Testing Protocols + +**Unit Testing**: + +- Minimum 80% code coverage for all new functionality +- Automated test execution in CI/CD pipeline +- Test data generation and mock services +- Performance regression testing + +**Integration Testing**: + +- API endpoint testing with various input scenarios +- Database integration and data consistency testing +- Model inference pipeline testing +- Third-party service integration validation + +**Security Testing**: + +- Dynamic Application Security Testing (DAST) +- Penetration testing for web interfaces +- Input validation and boundary testing +- Authentication and authorization testing + +**Model Testing**: + +- Model accuracy and performance benchmarking +- Adversarial testing for model robustness +- Bias detection and fairness evaluation +- Model interpretability and explainability testing + +**Security Checkpoints**: + +- Vulnerability assessment and penetration testing +- Security test case execution +- Compliance testing against security standards +- Model security and privacy validation + +**Deliverables**: + +- Test execution reports and metrics +- Security testing results and remediation plan +- Model performance and accuracy reports +- Test automation framework and documentation + +### Phase 6: Deployment + +**Objective**: Securely deploy applications and models to production environments with proper monitoring and rollback capabilities. + +**Key Activities**: + +- Prepare production environment with security hardening +- Execute deployment using Infrastructure as Code (IaC) +- Configure monitoring, logging, and alerting systems +- Implement model versioning and A/B testing capabilities +- Validate deployment through automated health checks +- Create operational runbooks and procedures + +**Security Checkpoints**: + +- Production environment security validation +- Secrets management and credential rotation +- Network security and firewall configuration +- Monitoring and incident response setup + +**Deliverables**: + +- Production deployment with full monitoring +- Operational procedures and runbooks +- Security configuration documentation +- Rollback and disaster recovery procedures + +### Phase 7: Maintenance + +**Objective**: Ensure ongoing security, performance, and functionality through continuous monitoring, updates, and improvements. + +#### Version Control and Change Management + +**Version Control Standards**: + +- Use Git with feature branch workflow +- Implement semantic versioning for releases +- Maintain detailed commit messages with issue tracking +- Tag releases with comprehensive release notes +- Implement branch protection rules and merge policies + +**Change Management Process**: + +- All changes must go through established review process +- Categorize changes by risk level (low, medium, high) +- Maintain change approval workflows +- Document all changes in centralized change log +- Implement automated change validation and testing + +**Ongoing Activities**: + +- Regular security updates and patch management +- Performance monitoring and optimization +- Model retraining and accuracy monitoring +- User feedback collection and analysis +- Incident response and issue resolution +- Documentation updates and maintenance + +**Security Checkpoints**: + +- Regular security assessments and audits +- Vulnerability scanning and remediation +- Access review and privilege management +- Compliance monitoring and reporting + +**Deliverables**: + +- Regular maintenance reports and metrics +- Security assessment results +- Performance optimization recommendations +- Updated documentation and procedures + +## Continuous Integration and Deployment + +### CI/CD Pipeline Standards + +Our CI/CD pipeline integrates security testing and quality assurance throughout the development process: + +**Automated Pipeline Stages**: + +1. **Source Code Analysis**: Static code analysis and security scanning +2. **Build and Test**: Automated testing with security test cases +3. **Security Scanning**: SAST, dependency scanning, and container scanning +4. **Quality Gates**: Code coverage, performance, and security thresholds +5. **Staging Deployment**: Automated deployment to staging environment +6. **Integration Testing**: End-to-end testing in staging environment +7. **Security Validation**: DAST and penetration testing in staging +8. **Production Deployment**: Automated deployment with monitoring + +**Quality Gates**: + +- Minimum 80% code coverage +- Zero high-severity security vulnerabilities +- Performance benchmarks within acceptable thresholds +- All security tests passing +- Documentation and changelog updates + +### Deployment Practices + +- Use feature flags for gradual rollout of new functionality +- Implement blue-green deployment for zero-downtime updates +- Maintain comprehensive monitoring and alerting for production deployments +- Implement automated rollback procedures for quick recovery from issues +- Document deployment procedures and emergency contacts +- Use Infrastructure as Code (IaC) for consistent environment provisioning + +## Knowledge Sharing + +### Technical Communication + +- Share knowledge through internal tech talks and documentation +- Participate in code review discussions to spread best practices +- Maintain decision logs for architectural and technical choices +- Contribute to engineering blog posts and external presentations + +### Mentorship and Growth + +- Provide guidance to junior engineers during code reviews +- Share expertise through pair programming and code walkthroughs +- Encourage experimentation with new technologies and approaches +- Support professional development through conference attendance and training + +## Incident Response + +### Bug Reporting and Resolution + +- Use standardized bug report templates with clear reproduction steps +- Prioritize security vulnerabilities for immediate attention +- Maintain incident response procedures for production issues +- Conduct post-incident reviews to prevent future occurrences + +### Emergency Procedures + +- Establish clear escalation paths for critical issues +- Maintain contact information for key personnel +- Document rollback procedures for emergency deployments +- Implement monitoring and alerting for early issue detection + +## Compliance and Governance + +### Regulatory Compliance + +- Ensure code changes comply with relevant industry standards +- Maintain audit trails for security-sensitive modifications +- Implement data protection measures according to privacy regulations +- Document compliance procedures and regular review processes + +### Change Management + +- Follow established change management processes for production systems +- Maintain version control and release documentation +- Implement approval workflows for significant architectural changes +- Regular review and update of engineering policies and procedures + +## FAQ + +### Why do we require multiple reviewers for code changes? + +Multiple reviewers significantly improve code quality by bringing different perspectives and expertise to the review process. This practice helps catch bugs, security vulnerabilities, and design issues that single reviewers might miss. It also ensures knowledge distribution across the team and prevents bottlenecks when individual reviewers are unavailable. + +### How do we handle urgent hotfixes that need immediate deployment? + +Even for urgent fixes, we maintain our review standards with expedited timelines. Critical hotfixes require at least one reviewer, with the understanding that additional reviews may be conducted post-deployment. Emergency procedures should be documented and regularly tested to ensure rapid response capabilities. + +### What happens if reviewers disagree on a code change? + +When reviewers have conflicting opinions, the discussion should focus on technical merits and alignment with our engineering principles. If consensus cannot be reached, escalate to a senior engineer or architect for final decision. Document the rationale for future reference. + +### How do we ensure reviewer expertise matches the code being reviewed? + +Maintain a reviewer assignment matrix that matches engineer expertise with relevant codebase areas. Rotate reviewers to prevent knowledge silos while ensuring at least one reviewer has deep familiarity with the affected code. Provide training opportunities for reviewers to expand their expertise. + +### What tools and resources support our engineering practices? + +Our engineering practices are supported by: +- GitHub branch protection rules and review requirements +- Automated testing and CI/CD pipelines +- Code quality analysis tools and security scanners +- Documentation platforms and knowledge bases +- Monitoring and alerting systems for production environments + +For additional guidance on contributing to Ultralytics projects, refer to our [Contributing Guide](../help/contributing.md) and [Help Center](../help/FAQ.md). --- -Excited for the Ultralytics Handbook? Bookmark this page and be the first to explore our internal processes and principles as we continue to build and share our journey with you! ๐Ÿ“–โœจ +*This handbook is a living document that evolves with our engineering practices. For suggestions or questions, please reach out to the engineering team through our internal communication channels.* \ No newline at end of file diff --git a/mkdocs.yml b/mkdocs.yml index 7f36f293..963f10e2 100644 --- a/mkdocs.yml +++ b/mkdocs.yml @@ -1,6 +1,6 @@ # Ultralytics ๐Ÿš€ AGPL-3.0 License - https://ultralytics.com/license -# Configuration file for building the Ultralytics YOLO documentation site using MkDocs. +# Configuration file for building the Ultralytics Handbook documentation site using MkDocs. # Provides settings to control site metadata, customize the appearance using the # Material theme, define the navigation structure, and enable various plugins. @@ -128,6 +128,10 @@ markdown_extensions: - pymdownx.tilde - pymdownx.details - pymdownx.superfences + custom_fences: + - name: mermaid + class: mermaid + format: !!python/name:pymdownx.superfences.fence_code_format - pymdownx.inlinehilite - pymdownx.highlight: anchor_linenums: true