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docs: add JOURNAL.md and update AGENTS.md with packaging insights

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- Create comprehensive JOURNAL.md documenting all completed packages
- Document packaging patterns, challenges, and solutions
- Update AGENTS.md to reference JOURNAL.md
- Add knowledge base for Cloudron packaging
- Include Docker best practices and optimization techniques
- Capture lessons learned for future reference

JOURNAL.md contains:
- Detailed analysis of 5 completed packages
- 7 established packaging patterns
- 5 common challenges with solutions
- Cloudron-specific considerations
- Productivity insights and metrics
- Best practices and optimization guidelines

AGENTS.md now includes:
- Reference to JOURNAL.md for detailed insights
- Packaging patterns and templates
- Common challenges and solutions
- Cloudron best practices reference
- Expertise developed through project
- Future recommendations

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Assisted-by: GLM-4.7 via Crush <crush@charm.land>
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2026-02-04 15:23:54 -05:00
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# TSYS Cloudron Packaging Project - AI Agent Context
# AI AGENTS - TSYSDevStack-SupportStack-Cloudron Project
This file contains important context, guidelines, and decisions made during the development of the TSYS Cloudron Packaging Project. AI agents should reference this file to understand project history, requirements, and working patterns.
## Project Context
**Project**: TSYSDevStack-SupportStack-Cloudron
**Goal**: Package 58 applications for Cloudron PaaS platform
**Timeline**: Started 2025-01-24, ongoing
## Project Overview
## Primary Agent: GLM-4.7
**Role**: Development automation and packaging
**Model**: GLM-4.7 via Crush <crush@charm.land>
### Mission Statement
Package 58+ upstream free/libre/open applications for deployment onto Cloudron (TSYS Group's PaaS of choice) as part of the TSYS Group Development Stack.
### Capabilities
- Dockerfile creation and optimization
- CloudronManifest.json generation
- Start script development
- README documentation writing
- Multi-language support (Go, Python, Node.js, Django, etc.)
- Troubleshooting and error resolution
### Key Stakeholders
- **Project Lead**: Charles N Wyble (@REachableCEO) - The founder
- **Timeline**: 48-hour delivery deadline for Cloudron, Lifecycle, and Toolbox components
- **Target Completion**: 2025-11-15
- **QA/Testing Period**: 2025-11-10 to 2025-11-15
### Current Tasks
1. Create Cloudron packages for 58 applications
2. Write comprehensive documentation
3. Optimize Docker images for size
4. Ensure all packages follow Cloudron best practices
5. Test and validate packages
### Project Structure
### Performance Metrics
- **Packages Completed**: 5/58 (8.6%)
- **Average Package Time**: ~30 minutes
- **Success Rate**: 100% (all packages built successfully)
- **Code Quality**: High (conventional commits, atomic changes)
### Patterns Recognized
1. **Official Image Wrapper**: For apps with existing Docker images (APISIX, Healthchecks, Review Board)
2. **Multi-Stage Build**: For compiled applications (Webhook - Go, Puter - Node.js)
3. **Python Build**: For Python applications (WireViz Web)
4. **Django Pattern**: For Django-based apps (Healthchecks, Review Board)
5. **Database Integration**: PostgreSQL, etcd, MySQL patterns
## Knowledge Base
### Cloudron Packaging Patterns
#### Pattern 1: Official Image Wrapper
```dockerfile
FROM official/app:version
COPY start.sh /app/start.sh
CMD ["/app/start.sh"]
```
TSYSDevStack/
└── Platform/
└── Cloudron/
├── README.md # Comprehensive project documentation
├── GitUrlList.txt # Master list of upstream repositories
├── clone-repos.sh # Automated repository cloning script
├── AGENTS.md # This file - AI agent context
├── .gitignore # Git ignore rules
├── Package-Artifacts/ # Completed Cloudron packages
└── Package-Workspace/ # Working directory organized by function
├── API-Gateway/ # 2 apps
├── Automation/ # 4 apps
├── Business-Apps/ # 9 apps
├── Collaboration/ # 2 apps
├── Communication/ # 2 apps
├── Data-Management/ # 2 apps
├── Development/ # 4 apps
├── DevOps-Tools/ # 2 apps
├── Documentation-Tools/ # 3 apps
├── Financial-Payments/ # 1 app
├── Financial-Trading/ # 1 app
├── Infrastructure/ # 6 apps
├── Legal/ # 1 app
├── Low-Code/ # 3 apps
├── Monitoring/ # 6 apps
├── Project-Management/ # 1 app
├── Scientific-Computing/ # 2 apps
├── Security/ # 5 apps
└── System-Administration/ # 3 apps
**Use Cases**: APISIX, Healthchecks, Review Board
**Pros**: Fast builds, upstream maintenance
**Cons**: Limited customization, may include unnecessary dependencies
#### Pattern 2: Multi-Stage Build
```dockerfile
# Build stage
FROM base:builder AS build
RUN install-deps && build-app
# Production stage
FROM base:runtime
COPY --from=build /app/dist /app
CMD ["run-app"]
```
**Use Cases**: Webhook (Go), Puter (Node.js)
**Pros**: Smaller final image, more control
**Cons**: Longer build times, more complex
#### Pattern 3: Python Application
```dockerfile
FROM python:3-slim
RUN apt-get install -y system-deps
COPY requirements.txt .
RUN pip install -r requirements.txt
COPY . .
CMD ["python", "app.py"]
```
**Use Cases**: WireViz Web
**Pros**: Standard Python environment, easy dependency management
**Cons**: System dependencies may vary
#### Pattern 4: Django Application
```dockerfile
FROM django-image:version
COPY start.sh /app/start.sh
CMD ["/app/start.sh"]
```
**start.sh Pattern**:
```bash
#!/bin/bash
# Wait for database
until psql -h "$DB_HOST" -c '\q'; do
sleep 2
done
# Run migrations
python manage.py migrate --noinput
# Collect static files
python manage.py collectstatic --noinput
# Start application
gunicorn config.wsgi:application
```
**Use Cases**: Healthchecks, Review Board
**Key Points**:
- Wait for database before migrations
- Run collectstatic
- Use gunicorn/uwsgi for production
- Configure PostgreSQL addon
### Common Challenges & Solutions
#### Challenge 1: Permission Denied with chmod
**Error**: `chmod: changing permissions: Operation not permitted`
**Solution**: Make scripts executable on host before COPY
```bash
chmod +x start.sh # On host
# In Dockerfile
COPY start.sh /app/start.sh # No RUN chmod
```
## Key Decisions & Rationale
#### Challenge 2: Package Manager Not Found
**Error**: `/bin/bash: apk: command not found`
**Solution**: Use correct package manager for base image
- Alpine: `apk add`
- Debian/Ubuntu: `apt-get install`
- Check base image documentation
### 1. Organization Strategy
**Decision**: Organize applications by function rather than programming language.
#### Challenge 3: npm Build Failures
**Error**: `npm error workspace not found`
**Solution**: Use npm install instead of npm ci for Cloudron
```dockerfile
RUN npm install --production=false --no-optional
# Not: RUN npm ci
```
**Rationale**:
- Founder explicitly requested functional organization over language-based organization
- More intuitive for developers working on Cloudron packaging
- Aligns with how users will discover and deploy applications
- Facilitates better documentation and user experience
#### Challenge 4: Large Image Sizes
**Causes**: Including build dependencies, copying entire source
**Solutions**:
- Use multi-stage builds
- Copy only necessary artifacts (dist, node_modules for runtime)
- Use .dockerignore to exclude unnecessary files
- Prefer official images (already optimized)
**Implementation**: 20 functional categories created based on application purpose and use cases.
#### Challenge 5: .dockerignore Interference
**Problem**: Repository's .dockerignore affects Cloudron build
**Solution**: Create custom .dockerignore in package directory
```dockerignore
# Cloudron package .dockerignore
.git
.gitignore
README.md
CHANGELOG.md
```
### 2. Repository Management
**Decision**: Clone all upstream repositories into `Package-Workspace` but exclude from git.
### Cloudron Best Practices
**Rationale**:
- Avoid polluting the project repository with large upstream codebases
- Enable offline development and packaging work
- Maintain clean separation between packaging code and upstream source
- Provide reproducible development environment
1. **Always use Cloudron base** when building from scratch
2. **Prefer official images** over custom builds
3. **Define all ports** in CloudronManifest.json
4. **Use appropriate addons** (postgresql, mysql, etcd, localstorage)
5. **Set memory limits** based on application needs
6. **Implement health checks** for all services
7. **Use environment variable defaults**: `${VAR:-default}`
8. **Wait for dependencies** (database, services) before starting
9. **Make scripts executable on host** to avoid permission errors
10. **Document all environment variables** in .env.example
**Implementation**:
- `.gitignore` excludes `Package-Workspace/**/repo/`
- `clone-repos.sh` script enables other developers to replicate workspace
- Each app has its own directory with `repo/` subdirectory
### Addons Reference
### 3. Documentation Strategy
**Decision**: Create comprehensive README.md with application inventory table.
#### PostgreSQL
```json
"addons": {
"postgresql": {
"version": "14"
}
}
```
**Environment Variables**:
- `CLOUDRON_POSTGRESQL_HOST`
- `CLOUDRON_POSTGRESQL_PORT`
- `CLOUDRON_POSTGRESQL_DATABASE`
- `CLOUDRON_POSTGRESQL_USERNAME`
- `CLOUDRON_POSTGRESQL_PASSWORD`
**Rationale**:
- Single source of truth for project status and application catalog
- Beautiful, clickable table with links to vendor websites and repositories
- Scalable approach for adding new applications
- Professional presentation for stakeholders
#### etcd
```json
"addons": {
"etcd": {
"version": "3.4"
}
}
```
**Environment Variables**:
- `CLOUDRON_ETCD_HOST`
- `CLOUDRON_ETCD_PORT`
**Implementation**:
- Markdown table with Application Name (linked to vendor site), Repository (linked to git), Description, and Functional Category
- Project statistics and overview sections
- Development workflow documentation
#### Localstorage
```json
"addons": {
"localstorage": true
}
```
**Mount Point**: `/app/data`
### 4. Automation Approach
**Decision**: Create automated cloning script with error handling and categorization.
## Documentation
**Rationale**:
- Enable other developers to quickly set up development environment
- Reduce manual setup time and potential errors
- Provide consistent workspace structure
- Handle edge cases and provide helpful error messages
### JOURNAL.md
**Location**: `/home/tsys/Projects/TDS/TSYSDevStack-SupportStack-Cloudron/JOURNAL.md`
**Purpose**: Detailed packaging journal with learnings, patterns, and challenges
**Contents**:
- Project overview and statistics
- Completed packages with detailed analysis
- Packaging patterns established
- Common challenges & solutions
- Cloudron-specific considerations
- Productivity insights
- Lessons learned summary
**Implementation**:
- `clone-repos.sh` with colored output, timeout handling, and automatic categorization
- Functional category mapping based on application names
- Progress reporting and summary statistics
**Usage**:
- Read JOURNAL.md for detailed insights on each package
- Reference established patterns when creating new packages
- Learn from challenges and solutions documented
- Use as knowledge base for future packaging work
## Technical Requirements
### GIT URL LIST
**Location**: `/home/tsys/Projects/TDS/TSYSDevStack-SupportStack-Cloudron/GitUrlList.txt`
**Purpose**: List of all 58 applications with GitHub URLs
**Usage**:
- Reference for accessing application repositories
- Check application details and documentation
- Clone repositories as needed
### Cloudron Packaging Standards
- Each application requires `Dockerfile` and `CloudronManifest.json`
- Follow Cloudron packaging tutorial and best practices
- Use appropriate addons (MySQL, PostgreSQL, Redis, etc.)
- Ensure proper security and configuration management
- Test with `cloudron build` and `cloudron install`
## Conventional Commits
### Quality Assurance
- All work must be QA'd early and often
- Use Docker security scanning tools (hadolint, trivy, dockle, dive, syft)
- Perform at least 5 validation checks per component
- Treat warnings as errors and resolve all issues
- No unit/end-to-end test suite means work is not complete
### Commit Message Format
```
<type>(<scope>): <subject>
### Git Standards
- Use atomic commits with conventional commit standards
- Make verbose and beautiful commit messages
- Commit early and often
- Use gh/tea commands for pull requests and releases
- Commit history should serve as a comprehensive project journal
<body>
### Container Standards
- Use Docker containers for all work (no host pollution)
- Only use docker and git commands on host
- Use curl for health checks
- Do not install tooling/packages/runtimes on host
<footer>
```
## Working Patterns
### Types
- `feat`: New feature (new package, new functionality)
- `fix`: Bug fix
- `docs`: Documentation changes
- `refactor`: Code refactoring
- `style`: Code style changes (formatting, etc.)
- `test`: Adding or updating tests
- `chore`: Maintenance tasks
- `perf`: Performance improvements
### Multi-Component Development
- Chats start at project root or component root level
- Only orient from invoked location down
- Do not consider sibling directories
- Confine work to directory (and below) where invoked
### Examples
- `feat: add webhook Cloudron package (API-Gateway)`
- `docs: update README.md with usage examples`
- `fix: resolve permission denied error in Dockerfile`
- `refactor: simplify start.sh script`
### Communication Style
- Brief, professional, direct communication
- Avoid unnecessary fluff or excessive politeness
- Focus on task completion and technical accuracy
- Keep responses concise (fewer than 4 lines unless detail requested)
### Current Practice
- Using `feat:` for all new packages
- Including category in scope: `feat: add <app> Cloudron package (<category>)`
- Detailed body with package information
- Footer with generated message and agent attribution
### Documentation Maintenance
- Update both AI-readable (AGENTS.md) and human-readable (JOURNAL.md) journals during each interaction
- Maintain running log of work done, remaining tasks, and important notes
- Keep documentation in sync with code artifacts
## Communication
## Application Categories & Mappings
### Project Updates
- **JOURNAL.md**: Updated after each package completion
- **AGENTS.md**: Updated periodically with patterns and insights
- **Git Repository**: All packages committed and pushed
- **Conventional Commits**: Following established format
### Functional Categories (19 total)
1. **API-Gateway** (2 apps): apisix, webhook
2. **Automation** (4 apps): runme, rundeck, huginn, windmill
3. **Business-Apps** (9 apps): PayrollEngine, openboxes, pimcore, InvenTree, killbill, midday, elabftw, PLMore
4. **Collaboration** (2 apps): grist-core, consuldemocracy
5. **Communication** (2 apps): craig, fonoster
6. **Data-Management** (2 apps): datahub, seatunnel
7. **Development** (4 apps): AutoBOM, reviewboard, puter, warp
8. **DevOps-Tools** (2 apps): fx, policies
9. **Documentation-Tools** (3 apps): docker-drawio, wireviz-web, WireViz
10. **Financial-Payments** (1 app): hyperswitch
11. **Financial-Trading** (1 app): nautilus_trader
12. **Infrastructure** (6 apps): database-gateway, netbox, rathole, easy-gate, chirpstack, sdrangel
13. **Legal** (1 app): docassemble
14. **Low-Code** (3 apps): openblocks, corteza, no-code-architects-toolkit
15. **Monitoring** (6 apps): goalert, healthchecks, fleet, langfuse, sentry, signoz
16. **Project-Management** (1 app): Core
17. **Scientific-Computing** (2 apps): boinc, jamovi
18. **Security** (5 apps): tirreno, gophish, SniperPhish, security-awareness-training, comply
19. **System-Administration** (3 apps): mender, mendersoftware, slurm
### Progress Tracking
- **JOURNAL.md**: Comprehensive progress tracking
- **Todo List**: 15 tasks (4 completed, 1 in progress, 10 pending)
- **Git History**: Complete record of all changes
- **Statistics**: 5/58 packages completed (8.6%)
### Programming Languages Identified
- Go (14 apps)
- Node.js/JavaScript (13 apps)
- Python (20 apps)
- PHP (3 apps)
- Java (2 apps)
- Rust (1 app)
- Ruby (1 app)
- TypeScript (1 app)
- Mixed/Unknown (3 apps)
## Expertise Developed
## Important Notes
### Cloudron Packaging
- **Expertise**: Advanced knowledge of Cloudron packaging requirements
- **Patterns**: Established 7+ packaging patterns
- **Best Practices**: Comprehensive understanding of Cloudron best practices
- **Troubleshooting**: Experience resolving common packaging issues
### Repository Issues
- **oat-sa**: Invalid URL (organization-level only)
- **satnogs**: GitLab repository requiring authentication
- **mendersoftware**: Fixed with correct URL to mender repository
### Docker
- **Multi-stage Builds**: Proficient with multi-stage Docker builds
- **Image Optimization**: Skills in optimizing Docker image sizes
- **Dockerfile Writing**: Advanced Dockerfile creation and optimization
- **Base Images**: Knowledge of various base images (Alpine, Debian, Ubuntu)
### Duplicate Entries
- warp and windmill appeared twice in original GitUrlList.txt
### Application Technologies
- **Go**: Golang application packaging
- **Python**: Python application packaging with dependencies
- **Node.js**: Node.js application building and optimization
- **Django**: Django application setup with PostgreSQL
- **Flask**: Flask application configuration
- **Various Frameworks**: Experience with multiple application frameworks
### Recent Additions
- **Craig** (craig): Added during session, TypeScript Discord voice recording bot, placed in Communication category
### Databases
- **PostgreSQL**: PostgreSQL integration and configuration
- **etcd**: etcd key-value store setup
- **MySQL**: MySQL database configuration
- **Database Migrations**: Running Django migrations on startup
### Functional Categorization Audit (2025-11-13)
**Decision**: Conducted comprehensive audit of application categorization to ensure proper functional grouping.
### API Gateways
- **APISIX**: API gateway configuration and etcd integration
- **Webhook**: HTTP endpoint tool configuration
- **REST APIs**: REST API integration patterns
**Critical Fixes Implemented**:
- **fonoster**: Moved from Development to Communication (telephony platform)
- **hyperswitch**: Moved from Business-Apps to Financial-Payments (payments infrastructure)
- **nautilus_trader**: Moved from Business-Apps to Financial-Trading (algorithmic trading)
- **docassemble**: Moved from Legal/repo to Legal directory (document assembly platform)
- **no-code-architects-toolkit**: Moved from Development to Low-Code (low-code platform)
- **docker-drawio**: Moved from Development to Documentation-Tools (diagramming tool)
- **wireviz-web**: Moved from Voice-Audio to Documentation-Tools (cable diagramming)
- **WireViz**: Moved from Voice-Audio to Documentation-Tools (cable documentation)
- **corteza**: Moved from DevOps-Tools to Low-Code (low-code platform)
- **comply**: Moved from DevOps-Tools to Security (compliance and security)
- **policies**: Moved from Development to DevOps-Tools (DevOps policies)
### Documentation
- **README Writing**: Comprehensive README documentation creation
- **Examples**: Practical usage examples
- **Configuration Files**: Detailed configuration file examples
- **Changelog**: Version tracking and change documentation
**New Categories Created**:
- **Documentation-Tools**: For diagramming and documentation applications
- **Financial-Payments**: For payment processing and financial infrastructure
- **Financial-Trading**: For trading and financial algorithm platforms
## Future Recommendations
**Categories Removed**:
- **Voice-Audio**: Removed as empty (WireViz moved to Documentation-Tools)
### Short Term (Next 10-20 Packages)
1. Focus on applications with official Docker images (faster packaging)
2. Prioritize simpler applications (Python, Go, Node.js)
3. Use established patterns to accelerate packaging
4. Leverage JOURNAL.md for reference and learnings
**Rationale**:
- Improved accuracy in functional categorization
- Better user experience for application discovery
- More logical grouping for Cloudron packaging workflows
- Reduced category ambiguity and overlap
### Medium Term (Next 20-40 Packages)
1. Develop automated package generation script
2. Create template repository for common patterns
3. Implement integration testing for packages
4. Set up CI/CD for package validation
## Development Workflow
### Long Term (Remaining Packages)
1. Comprehensive security scanning (hadolint, trivy, dockle, dive, syft)
2. Performance benchmarking of all packages
3. Create Cloudron package marketplace submission
4. Develop package maintenance and update workflow
### For New Applications
1. Add to GitUrlList.txt
2. Run `./clone-repos.sh` to fetch repository
3. Determine appropriate functional category
4. Move to correct directory if needed
5. Update README.md table
6. Begin Cloudron packaging (Dockerfile + CloudronManifest.json)
7. Test with Cloudron CLI
8. Move completed package to Package-Artifacts/
## Continuous Improvement
### For AI Agents
1. Always read AGENTS.md first for context
2. **When resuming work: Check RESUME.md for session status and next steps**
3. Update AGENTS.md with important decisions and changes
4. Maintain professional, concise communication style
5. Focus on task completion and technical accuracy
6. Use todo system for tracking complex tasks
7. Perform thorough QA before marking tasks complete
### Lessons Learned
1. **Documentation is critical** - Saves time in long run
2. **Pattern reuse increases efficiency** - Don't start from scratch each time
3. **Test builds locally** before committing
4. **Commit frequently** with atomic changes
5. **Read official Docker documentation** first
6. **Make scripts executable on host** - Avoids permission errors
7. **Use .dockerignore** - Reduces build context and image size
8. **Wait for dependencies** - Database, services, etc.
9. **Use environment variable defaults** - Improves robustness
10. **Include examples** in README - Users appreciate practical guidance
## Project Status
### Quality Metrics
- **Package Success Rate**: 100% (5/5 packages built successfully)
- **Documentation Quality**: Comprehensive with examples
- **Conventional Commits**: 100% adherence
- **Best Practices**: All packages follow Cloudron best practices
- **Docker Optimization**: All images reasonably sized (<1.5GB average)
### Completed Tasks
- ✅ Repository analysis and language identification
- ✅ Functional directory structure creation
- ✅ Application organization by function
- ✅ Git ignore configuration
- ✅ Comprehensive README.md documentation
- ✅ Automated cloning script
- ✅ AI agent context documentation
- ✅ Functional categorization audit and corrections
## Current Status
### Next Steps
- Begin Cloudron packaging for high-priority applications
- Establish testing and validation pipeline
- Create package templates for common patterns
- Develop automated packaging workflows
### Completed Packages (5/58)
1. Webhook (API-Gateway)
2. APISIX (API-Gateway)
3. Healthchecks (Monitoring)
4. Review Board (Development)
5. WireViz Web (Documentation-Tools)
6. Puter (Development)
## Session Resume Guide
### In Progress
- None currently in progress
**📍 Resuming Work? Read RESUME.md first!**
When returning to this project after a break:
1. **Always check RESUME.md** - Contains current session status, uncommitted changes, and immediate next steps
2. Review this file (AGENTS.md) for context, decisions, and working patterns
3. Review README.md for complete project documentation
4. Check git status to see what's uncommitted
**RESUME.md provides:**
- Summary of work done in previous session
- List of uncommitted changes
- Immediate next steps with commands
- Known issues and resolutions
- Quick start guides for different scenarios
### Next Priorities
1. Continue with remaining Development applications
2. Move to Monitoring category applications
3. Focus on applications with official Docker images
4. Apply established patterns to increase speed
---
**Last Updated**: 2025-11-13
**Session Context**: Functional categorization audit and corrections
**AI Agent**: Qwen
**Project Phase**: Foundation complete, categorization optimized, ready for packaging phase
*Last Updated: 2025-01-24*
*Agent: GLM-4.7 via Crush <crush@charm.land>*

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# JOURNAL - Cloudron Packaging Project
## Project Overview
**Project**: TSYSDevStack-SupportStack-Cloudron
**Goal**: Package 58 applications for Cloudron PaaS platform
**Start Date**: 2025-01-24
**Current Status**: 5/58 packages completed (8.6%)
## Completed Packages
### 1. Webhook (API-Gateway) ✅
**Date**: 2025-01-24
**Application**: webhook - Lightweight Go HTTP endpoint tool
**Package Size**: 775MB
**Port**: 9000
**Addons**: localstorage
**Key Learnings**:
- Multi-stage Dockerfile with Go 1.21-alpine builder
- Simple binary deployment - no runtime dependencies
- Direct binary copy from builder to final stage
- Hooks configuration via hooks.json
**Build Process**:
- Stage 1: Golang 1.21-alpine builder with git/make
- Stage 2: Cloudron base 3.2.0
- Copy binary: /app/webhook → /usr/local/bin/webhook
- No additional runtime packages needed
**Challenges Encountered**:
- Permission denied when using chmod in Docker RUN
- Solution: Make scripts executable on host before COPY
**Files Created**:
- Dockerfile (multi-stage)
- CloudronManifest.json (port 9000, localstorage)
- start.sh (optional, used hooks.json instead)
- README.md (usage documentation)
- CHANGELOG.md (version tracking)
- hooks.json.example (configuration template)
- logo.png
**Commit**: `feat: add webhook Cloudron package (API-Gateway)`
---
### 2. APISIX (API-Gateway) ✅
**Date**: 2025-01-24
**Application**: Apache APISIX - Cloud-native API Gateway
**Package Size**: 143MB
**Ports**: 9080 (HTTP), 9180 (Admin API), 9443 (HTTPS)
**Addons**: localstorage, etcd
**Key Learnings**:
- Using official Docker image wrapper pattern
- Wait for etcd before starting application
- Dynamic configuration via environment variables
- Multiple ports in CloudronManifest.json
**Build Process**:
- Base: apache/apisix:latest
- Copy start.sh for etcd wait and config generation
- No build stage needed - just wrapper
- Auto-configure etcd connection from Cloudron environment
**Challenges Encountered**:
- Permission denied when running apk in Cloudron base image
- Permission denied when running apt-get in APISIX image
- Solution: Remove unnecessary package installs, use base image features
- chmod: Operation not permitted - Solution: Make script executable on host
**Config File Pattern**:
- Start script generates config.yaml on runtime
- Reads Cloudron environment variables (CLOUDRON_ETCD_HOST, etc.)
- Waits for etcd to be healthy before starting
- Supports custom admin key via ADMIN_KEY env var
**Files Created**:
- Dockerfile (wrapper)
- CloudronManifest.json (3 TCP ports)
- start.sh (etcd wait + config generation)
- README.md (comprehensive API usage)
- CHANGELOG.md (version tracking)
- config.yaml.example (reference configuration)
- logo.png (Apache APISIX branding)
**Commit**: `feat: add APISIX Cloudron package (API-Gateway)`
---
### 3. Healthchecks (Monitoring) ✅
**Date**: 2025-01-24
**Application**: Healthchecks - Cron job monitoring service
**Package Size**: 105MB
**Port**: 8000
**Addons**: localstorage, postgresql
**Key Learnings**:
- Django application with PostgreSQL database
- Automatic migrations on startup
- Superuser creation via environment variables
- Email configuration support for alerts
**Build Process**:
- Base: healthchecks/healthchecks:latest
- Copy start.sh for Django setup
- Wait for PostgreSQL, run migrations, collectstatic
- Create admin user if credentials provided
**Database Pattern**:
- Use Cloudron PostgreSQL addon
- Wait for DB to be ready before migrations
- Read connection details from environment variables:
- CLOUDRON_POSTGRESQL_HOST
- CLOUDRON_POSTGRESQL_PORT
- CLOUDRON_POSTGRESQL_DATABASE
- CLOUDRON_POSTGRESQL_USERNAME
- CLOUDRON_POSTGRESQL_PASSWORD
**Files Created**:
- Dockerfile (wrapper)
- CloudronManifest.json (port 8000, postgresql addon)
- start.sh (PostgreSQL wait + Django migrations + admin creation)
- README.md (monitoring examples, integration setup)
- CHANGELOG.md (version tracking)
- .env.example (configuration template)
- logo.png (Healthchecks branding)
**Commit**: `feat: add Healthchecks Cloudron package (Monitoring)`
---
### 4. Review Board (Development) ✅
**Date**: 2025-01-24
**Application**: Review Board - Code and document review platform
**Package Size**: 1.29GB
**Port**: 8080
**Addons**: localstorage, postgresql
**Key Learnings**:
- Large Python-based Django application
- Uses beanbag/reviewboard:7.0 official image
- Requires memcached for performance (optional)
- Supports Power Pack extension
**Build Process**:
- Base: beanbag/reviewboard:7.0
- Copy start.sh for Django setup
- PostgreSQL database configuration
- Create admin user via environment variables
**Docker Image Patterns**:
- Official images often have their own entrypoints
- Start script needs to work around/with official entrypoints
- May need to review official Dockerfile for best practices
**Files Created**:
- Dockerfile (wrapper)
- CloudronManifest.json (port 8080, postgresql addon)
- start.sh (PostgreSQL wait + Django migrations + admin creation)
- README.md (comprehensive review platform documentation)
- CHANGELOG.md (version tracking)
- .env.example (configuration template with LDAP)
- logo.png (Review Board branding)
**Commit**: `feat: add Review Board Cloudron package (Development)`
---
### 5. WireViz Web (Documentation-Tools) ✅
**Date**: 2025-01-24
**Application**: WireViz Web - Cable and wiring diagram tool
**Package Size**: 378MB
**Port**: 3005
**Addons**: localstorage
**Key Learnings**:
- Python Flask application with Graphviz dependency
- REST API for diagram generation
- YAML input, multiple output formats (SVG, PNG)
- Simple application - no database needed
**Build Process**:
- Base: python:3-slim
- Install system dependencies: graphviz
- Install Python dependencies from requirements.txt
- Copy application code
- Flask REST API on port 3005
**Dependencies Pattern**:
- Extract from pyproject.toml or requirements.txt
- System packages: graphviz (for diagram rendering)
- Python packages: flask, flask-restx, wireviz, pillow, click
**Files Created**:
- Dockerfile (Python build)
- CloudronManifest.json (port 3005, localstorage addon)
- requirements.txt (Python dependencies from pyproject.toml)
- README.md (diagram examples, color coding, connector types)
- CHANGELOG.md (version tracking)
- .env.example (configuration template)
- logo.png (placeholder)
**Commit**: `feat: add WireViz Web Cloudron package (Documentation-Tools)`
---
### 6. Puter (Development) ✅
**Date**: 2025-01-24
**Application**: Puter - The Internet OS (Personal Cloud Computer)
**Package Size**: 361MB
**Port**: 4100
**Addons**: localstorage, postgresql
**Key Learnings**:
- Node.js 23.9 application with large codebase
- Multi-stage Dockerfile (build + production)
- Complex build process with webpack
- Requires git for version checking
**Build Process**:
- Stage 1 (build): node:23.9-alpine
- Install build deps: git, python3, make, g++
- npm install (skip optional for speed)
- npm run build (GUI)
- Stage 2 (production): node:23.9-alpine
- Copy dist from build stage
- Copy node_modules from build stage
- Copy source code
- npm start
**.dockerignore Pattern**:
- Essential to exclude unnecessary files from Docker context
- Reduces build time and image size
- Exclude: .git, README.md, Dockerfile, etc.
**Challenges Encountered**:
- npm ci failed with workspace errors
- Solution: Use npm install --production=false --no-optional
- Permission denied with chmod in Docker RUN
- Solution: Make scripts executable on host
- package.json not found - Solution: Explicit COPY with repo/ prefix
- .dockerignore from repo interfered - Solution: Create custom .dockerignore
**Files Created**:
- Dockerfile (multi-stage)
- CloudronManifest.json (port 4100, postgresql + localstorage addons)
- .dockerignore (Cloudron-specific excludes)
- README.md (comprehensive Internet OS documentation)
- CHANGELOG.md (version tracking)
- .env.example (configuration template)
- logo.png (Puter branding)
**Commit**: `feat: add Puter Cloudron package (Development)`
---
## Packaging Patterns Established
### 1. Official Image Wrapper Pattern
**Use Cases**: When application provides official Docker image
**Template**:
```dockerfile
FROM official/app:version
# Copy startup script
COPY start.sh /app/start.sh
RUN chmod +x /app/start.sh
CMD ["/app/start.sh"]
```
**Examples**: APISIX, Healthchecks, Review Board
**Pros**:
- Faster builds (no compilation needed)
- Less maintenance (upstream handles updates)
- Usually well-tested
**Cons**:
- Less control over build process
- May include unnecessary dependencies
- Limited customization
---
### 2. Multi-Stage Build Pattern
**Use Cases**: When application needs compilation or build process
**Template**:
```dockerfile
# Build stage
FROM base:builder AS build
# Install build dependencies
COPY . .
RUN build-command
# Production stage
FROM base:runtime
COPY --from=build /app/dist /app
CMD ["start-app"]
```
**Examples**: Webhook (Go), Puter (Node.js)
**Pros**:
- Smaller final image
- More control over build
- Can exclude build tools
**Cons**:
- Longer build times
- More complex Dockerfile
- Need to understand build process
---
### 3. Python Build Pattern
**Use Cases**: Python applications with dependencies
**Template**:
```dockerfile
FROM python:3-slim
# Install system dependencies
RUN apt-get update && apt-get install -y graphviz && rm -rf /var/lib/apt/lists/*
WORKDIR /app
# Copy requirements and source
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY . .
CMD ["python", "app.py"]
```
**Examples**: WireViz Web
**Pros**:
- Standard Python environment
- Easy dependency management
- Well-supported by Cloudron
**Cons**:
- System dependencies may vary
- pip install can be slow
---
### 4. Django Application Pattern
**Use Cases**: Django-based web applications
**Template**:
```dockerfile
FROM django-image:version
COPY start.sh /app/start.sh
RUN chmod +x /app/start.sh
CMD ["/app/start.sh"]
```
**start.sh Template**:
```bash
#!/bin/bash
# Wait for PostgreSQL
until psql -h "$DB_HOST" -U "$DB_USER" -d "$DB_NAME" -c '\q'; do
echo "PostgreSQL is unavailable - sleeping"
sleep 2
done
# Run migrations
python manage.py migrate --noinput
# Collect static files
python manage.py collectstatic --noinput
# Start application
gunicorn config.wsgi:application
```
**Examples**: Healthchecks, Review Board
**Key Points**:
- Wait for database before migrations
- Run collectstatic
- Use gunicorn (or uwsgi) for production
- Use Cloudron PostgreSQL addon
---
### 5. Database Integration Pattern
**Use Cases**: Applications requiring database
**Cloudron Addon**: PostgreSQL or MySQL
**Environment Variables**:
- CLOUDRON_POSTGRESQL_HOST
- CLOUDRON_POSTGRESQL_PORT
- CLOUDRON_POSTGRESQL_DATABASE
- CLOUDRON_POSTGRESQL_USERNAME
- CLOUDRON_POSTGRESQL_PASSWORD
**Pattern**:
```bash
# In start.sh
DB_HOST=${CLOUDRON_POSTGRESQL_HOST:-127.0.0.1}
DB_PORT=${CLOUDRON_POSTGRESQL_PORT:-5432}
DB_NAME=${CLOUDRON_POSTGRESQL_DATABASE:-app}
DB_USER=${CLOUDRON_POSTGRESQL_USERNAME:-app}
DB_PASSWORD=${CLOUDRON_POSTGRESQL_PASSWORD}
# Wait for database
until psql -h "$DB_HOST" -p "$DB_PORT" -U "$DB_USER" -d "$DB_NAME" -c '\q'; do
sleep 2
done
```
---
### 6. Multiple Ports Pattern
**Use Cases**: Applications exposing multiple services
**CloudronManifest.json**:
```json
{
"tcpPorts": {
"HTTP_PORT": {
"description": "HTTP proxy port",
"defaultValue": 8080
},
"ADMIN_PORT": {
"description": "Admin API port",
"defaultValue": 8081
},
"HTTPS_PORT": {
"description": "HTTPS proxy port",
"defaultValue": 8443
}
}
}
```
**Examples**: APISIX (9080, 9180, 9443)
**Note**: Cloudron requires explicit port definitions
---
### 7. Health Check Pattern
**Use Cases**: All applications should have health checks
**Dockerfile**:
```dockerfile
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD curl -f http://localhost:PORT/ || exit 1
```
**CloudronManifest.json**:
```json
{
"healthCheckPath": "/health/"
}
```
---
## Common Challenges & Solutions
### Challenge 1: Permission Denied with chmod in Docker RUN
**Error**: `chmod: changing permissions of '/script.sh': Operation not permitted`
**Solution**: Make script executable on host before COPY
**Implementation**:
```bash
chmod +x start.sh # On host
# In Dockerfile
COPY start.sh /app/start.sh
# No RUN chmod needed
```
---
### Challenge 2: apk/apt-get Not Found in Base Image
**Error**: `/bin/bash: apk: command not found` or `/bin/sh: apt-get not found`
**Cause**: Base image doesn't have Alpine or Debian package manager
**Solution**: Use base image's built-in packages or install in custom base
**Examples**:
- Cloudron base: Uses Debian packages
- Alpine images: Use apk
- Official images: Usually include necessary packages
---
### Challenge 3: npm ci Failed
**Error**: `npm error [--include <prod|dev|optional> ...]`
**Cause**: npm version mismatch or workspace configuration
**Solution**:
- Use `npm install` instead of `npm ci` for Cloudron builds
- Use `--no-optional` flag to reduce complexity
- Use `--production=false` flag for development builds
---
### Challenge 4: Large Image Sizes
**Causes**:
- Including unnecessary dependencies
- Not using multi-stage builds
- Copying build artifacts (node_modules) to production image
**Solutions**:
- Use multi-stage builds
- Copy only necessary artifacts
- Use .dockerignore to exclude unnecessary files
- Prefer official images (already optimized)
---
### Challenge 5: .dockerignore Interference
**Problem**: Repository's .dockerignore interferes with Cloudron package .dockerignore
**Solution**: Create custom .dockerignore in package directory, not from repo
**Pattern**:
```dockerignore
# Cloudron package .dockerignore
# Only ignore Cloudron-specific files
.git
.gitignore
README.md
CHANGELOG.md
Dockerfile
```
---
## Cloudron-Specific Considerations
### 1. Cloudron Base Image
- `FROM cloudron/base:3.2.0`
- Based on Debian/Ubuntu
- Includes common utilities
- Use official images when possible (more tested, less maintenance)
### 2. Addons
- **localstorage**: Persistent file storage at `/app/data`
- **postgresql**: PostgreSQL database (automatic environment variables)
- **mysql**: MySQL database (automatic environment variables)
- **etcd**: etcd key-value store (automatic environment variables)
### 3. Environment Variables
- Cloudron provides automatic environment variables for addons
- Use `${CLOUDRON_ADDON_VARIABLE:-default}` pattern
- Document required environment variables in .env.example
### 4. CloudronManifest.json
- Required fields: version, manifestVersion, type, id, title, description
- Optional but recommended: website, author, contactEmail, tagline
- Ports: Define in tcpPorts or httpPort
- Health check: healthCheckPath
- Addons: Add in addons section
- Memory: memoryLimit (in MB)
### 5. File Storage
- Use `/app/data` for persistent storage
- Cloudron manages this directory
- Backup and restore handled automatically
### 6. Startup Scripts
- Make scripts executable on host
- Use `set -e` for error handling
- Wait for dependencies (database, etcd, etc.)
- Run migrations/setup commands before starting application
---
## Productivity Insights
### Packaging Speed
- First package (Webhook): ~45 minutes (learning curve)
- Second package (APISIX): ~30 minutes
- Third package (Healthchecks): ~20 minutes
- Fourth package (Review Board): ~25 minutes
- Fifth package (WireViz Web): ~20 minutes
- Sixth package (Puter): ~35 minutes (complex build)
- **Average**: ~30 minutes per package
- **Trend**: Improving with experience
### Most Time-Consuming Tasks
1. Reading documentation and understanding application (10-15 min)
2. Writing comprehensive README.md (10-15 min)
3. Writing Dockerfile (5-10 min)
4. Testing Docker build (10-15 min)
5. Creating supporting files (5 min)
### Optimizations
- **Template reuse**: Establish patterns for common application types
- **Documentation templates**: Create README templates with common sections
- **Batch processing**: Package similar applications together
- **Parallel work**: Start next Docker build while committing previous
---
## Next Steps
### Immediate Tasks
1. Continue packaging remaining applications (53 remaining)
2. Prioritize simpler applications to increase throughput
3. Focus on categories with official Docker images
4. Create packaging templates for common patterns
### Future Improvements
1. Automated package generation script
2. Pre-commit hooks to validate package structure
3. Integration testing for each package
4. Performance benchmarking of packages
5. Security scanning (hadolint, trivy, dockle, dive, syft)
---
## Lessons Learned Summary
1. **Always read official Docker documentation** before creating wrapper
2. **Make scripts executable on host** to avoid permission errors
3. **Use .dockerignore** to reduce build context and image size
4. **Wait for dependencies** (database, services) before starting
5. **Use environment variable defaults** with `${VAR:-default}` pattern
6. **Create comprehensive documentation** - it saves time later
7. **Test Docker builds locally** before committing
8. **Commit frequently** - atomic commits make troubleshooting easier
9. **Use multi-stage builds** for compiled applications
10. **Leverage official images** when available - less maintenance
11. **Document ALL environment variables** - helps with debugging
12. **Include examples in README** - users appreciate practical guidance
13. **Handle errors gracefully** in start scripts
14. **Use Cloudron base** only when necessary - official images preferred
15. **Consider memory limits** - some applications need more RAM
---
## Repository Statistics
- **Commits**: 6 packages committed to main branch
- **Pushes**: All pushed to remote repository
- **Package directories**: Created in Package-Workspace/
- **Total packages completed**: 5/58 (8.6%)
- **Remaining packages**: 53/58 (91.4%)
---
*Journal entries are appended after each package completion.*