Complete Code Repository

All code examples from this series are available in the Tasker GitHub repository under the blog-examples/ directory.

📁 Repository Structure

tasker/
├── blog-examples/
│   ├── ecommerce-reliability/
│   │   ├── setup.sh                    # One-line installer
│   │   ├── templates/                  # Application templates
│   │   └── README.md                   # Chapter-specific setup
│   ├── data-pipeline-resilience/
│   ├── microservices-coordination/
│   ├── team-scaling/
│   ├── production-observability/
│   └── enterprise-security/
├── scripts/
│   ├── install-tasker-app.sh          # Main installer
│   ├── create_tasker_app.rb            # Application generator
│   └── templates/                      # Core templates
└── lib/tasker/                         # Tasker engine source

🚀 Using the Examples

Quick Start (Recommended)

Each chapter has a one-line installer that creates a complete working application:

# Chapter 1: E-commerce Reliability
curl -fsSL https://raw.githubusercontent.com/tasker-systems/tasker/main/blog-examples/ecommerce-reliability/setup.sh | bash

# Chapter 2: Data Pipeline Resilience (Coming Soon)
curl -fsSL https://raw.githubusercontent.com/tasker-systems/tasker/main/blog-examples/data-pipeline-resilience/setup.sh | bash

Manual Setup

If you prefer to explore the code first:

# Clone the repository
git clone https://github.com/tasker-systems/tasker.git
cd tasker/blog-examples/

# Explore any chapter
ls ecommerce-reliability/
cat ecommerce-reliability/README.md

# Run the setup when ready
./ecommerce-reliability/setup.sh

🔧 Code Organization

Application Templates

Each chapter includes complete Rails application templates:

• Task Handlers: Main workflow definitions

• Step Handlers: Individual step implementations

• Models: Supporting data models

• Controllers: API endpoints for testing

• Configuration: YAML workflow definitions

• Tests: Comprehensive test suites

• Documentation: Setup and usage guides

Shared Infrastructure

Common components are provided by the main Tasker installer:

• Database setup: PostgreSQL with all migrations

• Background jobs: Redis and Sidekiq configuration

• Observability: OpenTelemetry and Prometheus setup

• Development tools: Generators and debugging utilities

📝 Code Quality Standards

All examples meet these quality standards:

✅ Runnable

• Zero-error execution on supported platforms

• Complete dependency management

• Automated setup and teardown

✅ Realistic

• Based on real-world engineering challenges

• Production-ready patterns and practices

• Proper error handling and edge cases

✅ Educational

• Clear, well-commented code

• Progressive complexity

• Multiple usage examples

✅ Maintained

• Tested with each Tasker release

• Updated for new features

• Community feedback incorporated

🧪 Testing the Examples

Automated Testing

Run the full test suite for any example:

cd ecommerce-blog-demo
bundle exec rspec

Interactive Testing

Each example includes interactive testing scenarios:

# Test successful workflows
curl -X POST http://localhost:3000/checkout \
  -H "Content-Type: application/json" \
  -d '{"checkout": {...}}'

# Test failure scenarios
curl -X POST http://localhost:3000/checkout \
  -H "Content-Type: application/json" \
  -d '{"checkout": {"payment_info": {"token": "test_failure"}}}'

# Monitor workflow execution
curl http://localhost:3000/order_status/TASK_ID

Load Testing

Stress test the reliability features:

# Install testing tools
gem install ruby-bench

# Run load tests
ruby-bench --concurrent 10 --requests 100 \
  http://localhost:3000/checkout

🤝 Contributing

Want to improve the examples or add new ones?

Reporting Issues

1. Check existing issues: Search for similar problems

2. Provide context: Include error messages and environment details

3. Minimal reproduction: Share the smallest code that demonstrates the issue

Submitting Improvements

1. Fork the repository: Create your own copy

2. Create a branch: git checkout -b improve-ecommerce-example

3. Make changes: Follow the existing code style

4. Test thoroughly: Ensure examples still work

5. Submit a pull request: Describe your changes clearly

Adding New Examples

Interested in contributing new engineering stories?

1. Identify a problem: Common workflow challenges in your domain

2. Design the solution: How Tasker would solve it elegantly

3. Create the example: Following the established patterns

4. Write the story: Compelling narrative with technical depth

5. Get feedback: Share with the community for review

🔗 Related Resources

Tasker Documentation

• Official Docs: Complete API reference

• Quick Start: Basic setup guide

• Developer Guide: Advanced patterns

Community

• GitHub Discussions: Ask questions and share patterns

• Issues: Report bugs and request features

Learning Resources

• Workflow Patterns: Common workflow designs

• Circuit Breaker Architecture: Resilience patterns

• Task Execution Control Flow: Advanced orchestration patterns

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The code is just the beginning. The real value is in understanding how these patterns solve real engineering challenges.