This is a comprehensive demonstration application designed to showcase Heroku's platform capabilities and best practices. It demonstrates the integration of multiple Heroku add-ons, process types (web and worker), release phases, and error handling patterns. The application serves as a practical learning resource for developers getting started with Heroku's cloud platform.
Runtime: Node.js v22.21.1
Framework: Express.js
Deployment: Heroku with GitHub Integration
Version Control: Git + GitHub
Add-ons: PostgreSQL, Redis, Papertrail, New Relic
1. Code changes are pushed to the GitHub repository
2. Heroku automatically detects the push via webhook
3. Release phase executes pre-deployment tasks
4. Application is built and deployed with zero downtime
5. Web and worker dynos are updated with the new version
Web Interface: Interactive dashboards for testing add-ons and error scenarios
API Endpoints: RESTful endpoints for health checks and system information
Process Types: Separate web and worker processes for scalability
Error Testing: Controlled environment for testing Heroku error codes
Monitoring: Integrated logging and performance monitoring