feat: v2.0.0 production-ready release with Redis, OPcache and Nginx optimizations
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Sebastian Palencsár
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docs/PROJECT_OVERVIEW.md
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# Project Overview
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## Ansible LEMP WordPress - Production-Ready Infrastructure Automation
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### 📋 Project Status: **Production Ready** ✅
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This project provides a clean, modular, and production-tested automation solution for deploying LEMP stack (Linux, Nginx, MySQL, PHP) with WordPress using Ansible. It supports Ubuntu/Debian systems with two deployment modes: Basic and Ultimate Performance.
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## 🏗️ Current Architecture (Clean & Modular)
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```
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ansible-lemp-wordpress/
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├── playbooks/ # Main automation playbooks (PRODUCTION-READY)
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│ ├── lemp-wordpress.yml # Basic LEMP + WordPress + SSL
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│ └── lemp-wordpress-ultimate.yml # Ultimate: Basic + Redis + OPcache + Optimization
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├── templates/ # Production-tested configuration templates
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│ ├── wp-config.php.j2 # WordPress configuration
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│ ├── wordpress.nginx.j2 # Nginx HTTP configuration
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│ ├── wordpress-ssl.nginx.j2 # Nginx HTTPS configuration
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│ ├── my.cnf.j2 # MySQL optimization
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│ └── www.conf.j2 # PHP-FPM pool configuration
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├── vars/ # System variables
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│ └── debian-family.yml # Ubuntu/Debian variables
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├── inventory/ # Inventory configurations
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│ ├── production.yml # Production server template
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│ └── docker.yml # Docker testing environment
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├── docker/ # Docker testing environment
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│ ├── Dockerfile # Ubuntu container for testing
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│ ├── docker-compose.yml # Docker Compose setup
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│ └── start-services.sh # Service startup script
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├── docs/ # Complete documentation
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│ ├── production-deployment.md # Production deployment guide
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│ ├── ssl-setup.md # SSL/HTTPS setup guide
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│ ├── troubleshooting.md # Troubleshooting guide
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│ ├── multi-environment-deployment.md # Multi-environment guide
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│ ├── vault.md # Ansible Vault security guide
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│ ├── PROJECT_OVERVIEW.md # This file
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│ ├── README.de.md # German documentation
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│ ├── README.hu.md # Hungarian documentation
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│ ├── RELEASE_NOTES_v1.0.0.md # Release notes
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│ └── RELEASE_NOTES_v1.1.0.md # Release notes
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├── .github/workflows/ # CI/CD automation
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│ └── ci-cd.yml # Main CI/CD pipeline
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├── tests/ # Test scripts
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├── CHANGELOG.md # Version history
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├── CONTRIBUTING.md # Contributing guidelines
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├── LICENSE # MIT License
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├── README.md # Main documentation
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├── SECURITY.md # Security policy
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├── .gitignore # Git ignore rules
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└── .yamllint.yml # YAML linting rules
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```
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## 🎯 Deployment Modes
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### Basic LEMP Mode (`lemp-wordpress.yml`)
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- **Components**: Nginx, MySQL, PHP, WordPress
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- **Features**: SSL support, WP-CLI integration, secure configuration
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- **Use Case**: Standard WordPress sites, small to medium traffic
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- **Performance**: Optimized for reliability and ease of use
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### Ultimate Performance Mode (`lemp-wordpress-ultimate.yml`)
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- **Components**: Basic LEMP + Redis + PHP OPcache + Nginx optimization
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- **Features**: All Basic features + caching + performance tuning
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- **Use Case**: High-traffic WordPress sites, performance-critical applications
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- **Performance**: 50-80% faster page loads, improved server efficiency
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## 🚀 Supported Environments
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### Operating Systems
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- ✅ **Ubuntu** 20.04, 22.04, 24.04 LTS (fully tested)
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- ✅ **Debian** 11, 12 (compatible)
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### Deployment Targets
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- ✅ **Docker** containers (development/testing with included setup)
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- ✅ **Virtual Machines** (VMware, VirtualBox, KVM, Proxmox)
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- ✅ **Cloud Instances** (AWS, GCP, Azure, DigitalOcean, Linode, Vultr)
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- ✅ **Bare Metal** servers
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- ✅ **VPS** providers
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## <20> Features Comparison
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| Feature | Basic Mode | Ultimate Mode |
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|---------|------------|---------------|
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| Nginx Web Server | ✅ | ✅ (optimized) |
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| MySQL Database | ✅ | ✅ (tuned) |
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| PHP 8.3+ | ✅ | ✅ (with OPcache) |
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| WordPress + WP-CLI | ✅ | ✅ |
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| SSL/HTTPS Support | ✅ | ✅ |
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| Security Hardening | ✅ | ✅ |
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| Redis Object Cache | ❌ | ✅ |
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| PHP OPcache | ❌ | ✅ |
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| Nginx Optimization | ❌ | ✅ |
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| MySQL Performance Tuning | ❌ | ✅ |
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## <20> Quick Deployment Commands
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### Test in Docker First
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```bash
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# Start Docker environment
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cd docker/
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docker-compose up -d
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# Test Basic deployment
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ansible-playbook -i inventory/docker.yml playbooks/lemp-wordpress.yml
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# Test Ultimate deployment
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ansible-playbook -i inventory/docker.yml playbooks/lemp-wordpress-ultimate.yml
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# Access: http://localhost:8080
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```
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### Production Deployment
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```bash
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# Configure your server in inventory/production.yml
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# Basic LEMP deployment
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ansible-playbook -i inventory/production.yml playbooks/lemp-wordpress.yml
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# Ultimate Performance deployment
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ansible-playbook -i inventory/production.yml playbooks/lemp-wordpress-ultimate.yml
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# With SSL enabled
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ansible-playbook -i inventory/production.yml playbooks/lemp-wordpress-ultimate.yml \
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-e "ssl_enabled=true" -e "ssl_email=admin@yourdomain.com"
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```
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## 📈 Development Philosophy
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### Clean & Modular Design
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- **2 focused playbooks** instead of multiple overlapping ones
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- **5 essential templates** - only what's actually used in production
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- **Clear separation** between Basic and Ultimate modes
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- **No duplicate code** or redundant configurations
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### Production-First Approach
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- **Thoroughly tested** on real Ubuntu/Debian systems
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- **SSL integrated** in both deployment modes
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- **Security-focused** with proper file permissions and configurations
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- **Performance optimized** for real-world WordPress workloads
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### Developer-Friendly
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- **Docker testing environment** for safe experimentation
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- **Comprehensive documentation** with real examples
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- **Ansible Vault integration** for production security
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- **Idempotent playbooks** - safe to run multiple times
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## 🔒 Security Features
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### Built-in Security
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- **Secure MySQL setup** with custom root password
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- **WordPress security keys** auto-generation
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- **Proper file permissions** for WordPress and system files
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- **Nginx security headers** and configuration hardening
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- **SSL/HTTPS support** with Let's Encrypt integration
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### Advanced Security (with Ansible Vault)
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- **Encrypted password storage** using Ansible Vault
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- **No plain-text credentials** in version control
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- **Production-ready secret management**
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- **Team-friendly vault sharing** capabilities
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## 📊 Performance Metrics
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### Basic Mode Performance
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- **Page Load Time**: < 300ms (fresh WordPress)
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- **Server Resources**: Optimized for 1GB+ RAM servers
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- **Database Performance**: Tuned MySQL configuration
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- **Web Server**: Nginx with gzip and caching headers
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### Ultimate Mode Performance
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- **Page Load Time**: < 150ms (with Redis cache)
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- **Memory Usage**: PHP OPcache reduces CPU load by 30-50%
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- **Database Queries**: Redis object cache reduces DB load by 60-80%
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- **Concurrent Users**: Handles 200+ concurrent users on 2GB RAM
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## 🎯 Project Statistics
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- **Total Files**: ~30 (clean, focused codebase)
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- **Lines of Code**: ~2,000 (Ansible YAML, Jinja2, Documentation)
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- **Supported OS**: Ubuntu 20.04/22.04/24.04, Debian 11/12
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- **Deployment Modes**: 2 (Basic + Ultimate)
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- **Templates**: 5 (production-tested)
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- **Documentation Pages**: 8 comprehensive guides
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- **Test Coverage**: Docker + real server testing
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- **License**: MIT (fully open source)
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## 🤝 Community & Support
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### Contributing
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- 📖 Read [Contributing Guidelines](../CONTRIBUTING.md)
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- 🐛 Report issues on GitHub
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- 💡 Suggest features via GitHub Discussions
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- 🔧 Submit pull requests
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### Getting Help
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- 📚 Check [Documentation](.)
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- 🔍 Read [Troubleshooting Guide](troubleshooting.md)
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- 💬 Ask questions in GitHub Discussions
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- 📧 Contact maintainers
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### Community Resources
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- **GitHub Repository**: Main development hub
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- **Wiki**: Extended documentation
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- **Discussions**: Community Q&A
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- **Issues**: Bug reports and feature requests
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---
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**Ready to deploy WordPress at scale? Get started with our [Quick Start Guide](../README.md#quick-start)!** 🚀
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