- Heroku is a platform that allows developers to build, run, and scale customer-facing applications. It provides robust infrastructure services that can be added to applications for enhanced functionality. - Heroku offers a developer-friendly environment that makes application development and management easily scalable using powerful AWS infrastructure. It also integrates with Salesforce to provide a single system of record. - Key capabilities include automatic scaling of dynos, an ecosystem of over 150 add-ons for services like payments and email, integration with Salesforce data, and 24/7 operations support.