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Heroku Architecture
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Databases & Data Management
- Heroku Postgres
  - Postgres Basics
  - Postgres Getting Started
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  - Postgres Availability
  - 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
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Heroku Enterprise
- Private Spaces
  - Infrastructure Networking
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  - Heroku Connect Administration
  - Heroku Connect Reference
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Patterns & Best Practices

Extending Heroku
- Platform API
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- Building CLI Plugins
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- Dev Center

Accounts & Billing

Troubleshooting & Support

Integrating with Salesforce

Python v3.3.1 Support

Change effective on 09 April 2013

Heroku now supports Python v3.3.1. You can specify a version with a runtime.txt file.

Increased log timestamp precision Heroku Python with updated Pip and Distribute

Heroku Update
Starting November 28th, 2022, free Heroku Dynos, free Heroku Postgres, and free Heroku Data for Redis® will no longer be available. If you have apps using any of these resources, you must upgrade to paid plans by this date to ensure your apps continue to run and to retain your data.

Eligible students can apply for platform credits starting October 3rd, 2022 through our new Heroku for GitHub Students program.

Learn More