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Heroku Architecture
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  - Working with Bundler
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Databases & Data Management
- Heroku Postgres
  - Postgres Basics
  - Postgres Getting Started
  - Postgres Performance
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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
- App Security
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- Compliance

Heroku Enterprise
- Private Spaces
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  - Heroku Connect Administration
  - Heroku Connect Reference
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Extending Heroku
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Accounts & Billing

Troubleshooting & Support

Integrating with Salesforce

Anvil build service has been turned off

Change effective on 19 February 2015

The Anvil build service has been turned off. Users of the service have been notified and a sunset notice was published last month.

See documentation on Build API, HTTP Git and Dropbox Sync for alternatives to Anvil.

The splice(2) system call has been disabled in dynos PHP/HHVM version and extension updates