Edmonds Commerce - Symfony Version Upgrades
Overview
Symfony 5→6→7 migrations and Flex adoption. Upgrade your Symfony applications to latest versions with minimal risk and comprehensive testing.
What We Do
Professional Symfony version upgrades. We upgrade your applications through major version transitions whilst managing breaking changes, adopting modern Flex features, and ensuring zero downtime.
Upgrade Paths Supported
Standard Upgrades:
- Symfony 5 → Symfony 6
- Symfony 6 → Symfony 7
- Symfony 4 → Symfony 6 (skip major version)
Flex Adoption:
- Migrate from Standard Edition to Flex
- Modernise directory structure
- Adopt Flex recipes
- Update configuration
Upgrade Scope
Code Refactoring
Adapt code for API changes and deprecations.
Refactoring Includes:
- Deprecated method removal
- API changes adaptation
- Configuration updates
- Service provider modifications
- Middleware and kernel updates
- Route definition modernisation
- Bundle configuration changes
Dependency Updates
Ensure all packages are compatible with new Symfony version.
Dependency Work:
- Package compatibility checking
- Version constraint updates
- Breaking change analysis
- Alternative package selection if needed
- Documentation updates
Configuration Modernisation
Update Symfony configuration for new version.
Configuration Updates:
- YAML to PHP configuration (Symfony 6+)
- Container parameter changes
- Service definition updates
- Bundle configuration normalisation
Testing & Validation
Comprehensive testing ensures upgrade correctness.
Testing Includes:
- Test suite adaptation
- New features validation
- Regression testing
- Performance testing
- Security testing
- Integration testing
Our Upgrade Process
1. Pre-Upgrade Assessment
Comprehensive analysis before beginning upgrade.
Assessment Includes:
- Current Symfony version and status
- Dependency audit (packages and constraints)
- Breaking change identification
- Risk assessment
- Effort estimation
- Timeline planning
2. Planning & Strategy
Create detailed upgrade plan.
Plan Details:
- Phased approach if needed
- Testing strategy
- Deployment strategy
- Rollback procedures
- Team communication plan
- Risk mitigation strategies
3. Dependency Analysis
Ensure all packages support target version.
Analysis Process:
- Analyse all Composer dependencies
- Check package Symfony compatibility
- Identify packages requiring updates
- Evaluate alternative packages
- Create dependency update plan
4. Code Refactoring
Systematically refactor code for new Symfony version.
Refactoring Work:
- Update deprecated methods
- Adapt to API changes
- Update configuration files
- Modernise code patterns
- Leverage new features
- Batch refactoring with continuous testing
5. Testing & Validation
Comprehensive testing ensures upgrade correctness.
Testing Phases:
- Unit test execution
- Feature test execution
- Integration testing
- UI/end-to-end testing
- Performance testing
- Load testing (if applicable)
6. Staging Deployment
Full testing in production-like environment.
Staging Validation:
- Environment parity with production
- Full test suite execution
- Manual testing workflows
- Performance validation
- Security validation
7. Production Deployment
Zero-downtime deployment to production.
Deployment Process:
- Blue-green deployment
- Feature flags for gradual rollout
- Health checks during deployment
- Rollback capability
- Monitoring during deployment
- Post-deployment validation
8. Post-Upgrade Monitoring
Ongoing monitoring and support.
Monitoring:
- Error rate tracking
- Performance monitoring
- User incident monitoring
- Dependency security updates
- Team support for issues
Breaking Changes Management
Common Breaking Changes:
- Service provider registration changes
- Configuration option restructuring
- Event listener and subscriber updates
- Form type changes
- Security authentication changes
- Console command changes
Our Approach:
- Thorough compatibility testing
- Gradual refactoring to prevent regression
- Feature flags for conditional behavior
- Comprehensive test coverage
- Monitoring after deployment
Performance Improvements
Symfony upgrades typically include performance enhancements.
Symfony 6 Improvements:
- Improved service container
- Better dependency resolution
- Enhanced routing performance
- Optimised configuration loading
Symfony 7 Improvements:
- Streamlined bootstrap process
- Better memory efficiency
- Improved caching strategies
- Enhanced performance tuning
Expected Benefits:
- 5-10% faster response times
- Reduced memory footprint
- Better scaling characteristics
- Improved developer experience
Flex Adoption Benefits
What is Flex?
Modern Symfony configuration using recipes and bundle instantiation.
Benefits:
- Simplified configuration
- Automated bundle installation
- Environment-specific configs
- Modern directory structure
- Community recipes
- Reduced boilerplate
Technology Stack
- Symfony 5-7 support
- PHP 8.0+ required
- Composer for dependency management
- PHPUnit/Pest for testing
- Docker for environment consistency
- GitHub Actions for CI/CD
Target Audiences
Production Applications: Keep applications current and secure.
Large Applications: Complex applications requiring careful upgrades.
Time-Constrained Teams: Outsource upgrade work to focus on features.
Legacy Applications: Modernise old Symfony versions.
Why Upgrade?
Security: Stay on supported versions with active security updates.
Features: Access new Symfony features and improvements.
Performance: Benefit from framework optimisations.
Dependencies: Enable package upgrades requiring newer Symfony.
Team Productivity: Leverage modern Symfony patterns.
Long-Term Viability: Prevent version lock-in.
Risk Mitigation
Test Coverage: Minimum 80% test coverage before upgrade. Characterisation tests for untested code.
Staging Environment: Full production-like testing before production deployment.
Rollback Plan: Prepared rollback procedure if issues arise.
Enhanced Monitoring: Tracking during and after deployment.
Gradual Rollout: Feature flags for gradual user rollout.
Upgrade Timeline
Typical Durations:
- Small applications (5k-10k LOC): 1-2 weeks
- Medium applications (10k-50k LOC): 2-4 weeks
- Large applications (50k+ LOC): 4-8 weeks
Timeline Includes:
- Pre-upgrade analysis
- Dependency analysis and updates
- Code refactoring
- Testing and validation
- Staging deployment
- Production deployment
- Post-upgrade support
Common Upgrade Challenges
Bundle Compatibility: Packages not yet updated for new Symfony version.
Configuration Changes: Major configuration restructuring between versions.
Deprecation Removals: Deprecated features removed in new version.
Test Framework Changes: Test infrastructure updates required.
Performance Regression: Unforeseen performance issues after upgrade.
Plugin/Extension Compatibility: Third-party extensions not compatible.
Related Services
Symfony Development: Feature development for upgraded applications.
Performance Optimisation: Specialised performance tuning post-upgrade.
Testing: Comprehensive testing strategies for complex applications.
Infrastructure & DevOps: Kubernetes and deployment infrastructure.
Contact
Based in the UK, serving global Symfony teams. Discuss your upgrade timeline, concerns, or current Symfony version.