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Heroku Architecture
- Dynos (app containers)
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  - Working with Bundler
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Databases & Data Management
- Heroku Postgres
  - Postgres Basics
  - Postgres Getting Started
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  - Postgres Special Topics
- Heroku Data For Redis
- Apache Kafka on Heroku
- Other Data Stores

Monitoring & Metrics
- Logging

App Performance

Add-ons
- All Add-ons

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Security
- App Security
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  - Single Sign-on (SSO)
- Compliance

Heroku Enterprise
- Private Spaces
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- Heroku Connect (Salesforce sync)
  - Heroku Connect Administration
  - Heroku Connect Reference
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Patterns & Best Practices

Extending Heroku
- Platform API
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- Dev Center

Accounts & Billing

Troubleshooting & Support

Integrating with Salesforce

Cron add-on web dashboard disabled

Change effective on 21 August 2012

The Cron add-on was deprecated in April 2012 and the web dashboard has now been disabled. To access a web dashboard for your scheduled tasks, please migrate to the Scheduler add-on.

Heroku Rake deprecated Provisioning disabled for the shared-database add-on