233 lines
10 KiB
Markdown
233 lines
10 KiB
Markdown
# MyceliumCloud Examples Roadmap
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Comprehensive progression of Kubernetes examples designed to teach MyceliumCloud deployment patterns from beginner to advanced levels.
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## 📋 Examples Progression
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### Completed Examples
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#### 1. Hello World ✅
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- **Difficulty**: ⭐ Easy
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- **Status**: ✅ **COMPLETED**
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- **Learning Focus**: Basic Kubernetes deployment, service creation, port-forwarding
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- **Template**: Established efficient pattern with `hello-world.md` + `hello-world-deployment.yaml` + `hello-world-service.yaml`
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- **Key Concepts**: Pods, Deployments, Services, LoadBalancer, port-forward
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#### 2. Nginx Static Site ✅
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- **Difficulty**: ⭐ Easy
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- **Status**: ✅ **COMPLETED**
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- **Learning Focus**: Static content serving, custom HTML, nginx configuration
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- **Template**: Same efficient pattern with `nginx-static.md` + `nginx-static-deployment.yaml` + `nginx-static-service.yaml` + `default-index.html`
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- **Key Concepts**: Static files, nginx deployment, custom configuration, ConfigMaps, HTML serving
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#### 3. Python Flask API ✅
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- **Difficulty**: ⭐ Easy-Medium
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- **Status**: ✅ **COMPLETED**
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- **Learning Focus**: Application containerization, Python web services
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- **Template**: Same efficient pattern with `python-flask.md` + `python-flask-deployment.yaml` + `python-flask-service.yaml` + `app.py`
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- **Key Concepts**: Python containers, API development, HTTP services, JSON responses, RESTful design
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#### 4. Nginx Mycelium IPv6 Hosting ✅
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- **Difficulty**: ⭐⭐ Medium
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- **Status**: ✅ **COMPLETED**
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- **Learning Focus**: IPv6 web hosting, peer-to-peer networking, global accessibility
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- **Template**: Same efficient pattern with `nginx-mycelium.md` + `mycelium-website-nodeport.yaml` + supporting scripts
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- **Key Concepts**: IPv6-only hosting, hostNetwork deployment, peer-to-peer web hosting, global accessibility
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#### 5. Redis Cache ✅
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- **Difficulty**: ⭐⭐ Medium
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- **Status**: ✅ **COMPLETED**
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- **Learning Focus**: Data storage, caching patterns, stateful services
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- **Template**: Same efficient pattern with `redis-cache.md` + `redis-cache-deployment.yaml` + `redis-cache-service.yaml` + `web-interface.py`
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- **Key Concepts**: Redis deployment, data persistence, cache strategies, web interface
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#### 6. Nginx NodePort Website ✅
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- **Difficulty**: ⭐⭐ Medium
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- **Status**: ✅ **COMPLETED**
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- **Learning Focus**: Standard Kubernetes NodePort services, multi-replica scaling, worker node preferences
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- **Template**: Enhanced pattern with `nginx-nodeport.md` + `nginx-nodeport-deployment.yaml` + `nginx-nodeport-service.yaml` + `nginx-nodeport-configmaps.yaml` + supporting scripts (`update-content-single.sh`, `update-content-many.sh`, `debug-networking.sh`)
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- **Key Concepts**: NodePort services, IPv6 global access, multi-replica scaling, worker-only deployments, network debugging, production-ready scaling
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### Planned Examples (Future)
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#### 7. PostgreSQL Database
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- **Difficulty**: ⭐⭐ Medium
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- **Status**: 📋 Planned
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- **Learning Focus**: Stateful applications, database deployment
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- **Template**: Same efficient pattern
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- **Key Concepts**: Persistent volumes, databases, data persistence
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#### 8. WordPress ✅
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- **Difficulty**: ⭐⭐⭐ Hard
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- **Status**: ✅ **COMPLETED**
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- **Learning Focus**: Multi-container applications, CMS deployment, database integration
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- **Template**: Enhanced pattern with `wordpress.md` + `wordpress-deployment.yaml` + `wordpress-service.yaml` + `wordpress-configmap.yaml`
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- **Key Concepts**: Multi-container pods, database persistence, init containers, ConfigMaps, CMS deployment, persistent volumes
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#### 9. Node.js API
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- **Difficulty**: ⭐⭐⭐ Hard
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- **Status**: 📋 Planned
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- **Learning Focus**: Modern web development, API services
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- **Template**: Same efficient pattern
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- **Key Concepts**: JavaScript/Node.js, API development, modern frameworks
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#### 10. Jenkins CI/CD
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- **Difficulty**: ⭐⭐⭐ Hard
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- **Status**: 📋 Planned
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- **Learning Focus**: Infrastructure automation, CI/CD pipelines
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- **Template**: Same efficient pattern
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- **Key Concepts**: DevOps tools, automation, infrastructure as code
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#### 11. Nextcloud
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- **Difficulty**: ⭐⭐⭐ Very Hard
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- **Status**: 📋 Planned
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- **Learning Focus**: Enterprise applications, file sharing, high availability
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- **Template**: Same efficient pattern
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- **Key Concepts**: Enterprise deployment, file services, advanced networking
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## 🎯 Learning Progression Strategy
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### Easy Level (⭐)
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**Focus**: Basic deployment and networking
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- Hello World: Basic web app
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- Nginx Static Site: Static content
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- Python Flask API: Simple web service
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**Skills Taught**:
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- Pod creation and management
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- Service types and networking
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- Port-forwarding for external access
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- Basic troubleshooting
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### Medium Level (⭐⭐)
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**Focus**: Advanced networking and data services
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- Nginx Mycelium IPv6 Hosting: Peer-to-peer IPv6 web hosting
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- Redis Cache: In-memory data and caching
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- Nginx NodePort Website: Standard K8s NodePort services
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- PostgreSQL Database: Persistent data
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**Skills Taught**:
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- IPv6 networking and peer-to-peer hosting
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- Stateful vs stateless applications
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- Data persistence with volumes
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- Database deployment patterns
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- Service discovery
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- Global accessibility via IPv6
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- Multi-replica scaling
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- Production-ready deployments
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### Hard Level (⭐⭐⭐)
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**Focus**: Complex applications and enterprise patterns
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- WordPress: Multi-container CMS
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- Node.js API: Modern web development
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- Jenkins CI/CD: Infrastructure automation
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**Skills Taught**:
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- Multi-container applications
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- Complex networking patterns
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- Enterprise application deployment
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- DevOps and automation
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### Very Hard Level (⭐⭐⭐)
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**Focus**: Advanced enterprise features
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- Nextcloud: Full enterprise application
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**Skills Taught**:
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- High availability deployment
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- Enterprise application patterns
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- Advanced networking and security
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- Production-ready configurations
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## 🏗️ Standard Template Pattern
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**All examples follow the same efficient template pattern established with hello-world:**
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```
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📁 example-name/
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├── 📄 example-name.md ← Complete guide + troubleshooting
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├── 📄 example-name-deployment.yaml ← Application logic
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└── 📄 example-name-service.yaml ← Networking configuration
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```
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**Template Benefits**:
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- ✅ Consistent structure across all examples
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- ✅ Easy to copy and adapt for new examples
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- ✅ Self-contained documentation in each example
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- ✅ Clear separation of concerns (app vs networking)
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- ✅ Proven pattern tested and working on MyceliumCloud
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## 📚 Documentation Standards
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### Individual Example Structure
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Each example includes:
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- **Quick Start Guide** - 5-minute deployment
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- **Architecture Overview** - What it does and why
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- **Step-by-Step Deployment** - Copy-paste commands
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- **Testing Instructions** - How to verify it works
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- **Troubleshooting Section** - Common issues and solutions
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- **Cleanup Instructions** - How to remove resources
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- **Pro Tips** - Advanced usage and best practices
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### Example Pattern Consistency
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- **Easy Examples**: 30-45 minutes to complete
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- **Medium Examples**: 1-2 hours to complete
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- **Hard Examples**: 2-4 hours to complete
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- **Very Hard Examples**: 4+ hours to complete
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## 🎓 Skills Matrix
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| Example | Containers | Persistence | Multi-Container | Load Balancing | Databases | APIs | DevOps | Enterprise | IPv6 | Peer-to-Peer | NodePort | Multi-Replica |
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|---------|------------|-------------|-----------------|----------------|-----------|------|--------|------------|-----|--------------|----------|---------------|
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| Hello World | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
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| Nginx Static | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
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| Python Flask | ✅ | ❌ | ❌ | ✅ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
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| Nginx Mycelium IPv6 | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ✅ | ✅ | ❌ | ❌ |
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| Redis Cache | ✅ | ❌ | ❌ | ✅ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
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| Nginx NodePort Website | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ✅ | ✅ |
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| PostgreSQL | ✅ | ✅ | ❌ | ✅ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
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| WordPress | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
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| Node.js API | ✅ | ❌ | ❌ | ✅ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
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| Jenkins CI/CD | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ |
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| Nextcloud | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ |
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## 🚀 Current Status & Next Steps
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### Completed Examples ✅
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- **Hello World** - Basic Kubernetes deployment (Completed)
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- **Nginx Static Site** - Static content serving (Completed)
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- **Python Flask API** - Web service development (Completed)
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- **Nginx Mycelium IPv6** - Peer-to-peer IPv6 web hosting (Completed)
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- **Redis Cache** - Data caching services (Completed)
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- **Nginx NodePort Website** - Standard K8s NodePort services with multi-replica scaling (Completed)
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- **WordPress** - Multi-container CMS with MariaDB database (Completed)
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### Next Planned Example
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1. **PostgreSQL Database** - Stateful database deployment
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- Copy wordpress template structure (multi-container pattern)
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- Adapt for PostgreSQL database needs
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- Include persistent volume management
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- Test database connectivity and data persistence
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### Development Workflow (Proven Pattern)
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1. **Use Template**: Copy from previous successful example
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2. **Adapt Content**: Modify for specific application needs
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3. **Test on Cluster**: Verify works on MyceliumCloud
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4. **Document Thoroughly**: Include troubleshooting section
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5. **Verify Pattern**: Ensure consistent with overall strategy
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### Quality Standards
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- All examples must be **end-to-end tested**
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- All examples must follow the **standard template**
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- All examples must include **troubleshooting sections**
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- All examples must be **copy-paste ready**
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- All examples must include **cleanup instructions**
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### Special Focus Areas
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- **IPv6 Networking**: Mycelium's unique capability for global IPv6 access
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- **Multi-Replica Scaling**: Production-ready scaling patterns
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- **Worker Node Preferences**: Best practices for separating control plane and worker workloads
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- **Network Debugging**: Tools and techniques for troubleshooting connectivity issues
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---
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**Goal**: Provide MyceliumCloud users with a complete learning path from basic Kubernetes deployment to enterprise application management, using proven patterns and consistent documentation, with special emphasis on IPv6 networking and production-ready scaling. |