There are various types of errors you could encounter on the Heroku platform while working on your app. This section describes the different types of issues one could face and how to address them using the available time-tested techniques and tools.
No matter how available your application is, downtime is a reality of production applications. Applications could stop working due to many reasons. You could have a bad design leading to stuck requests or not enough storage, or a slower network leading to poor application performance. Often, it is not that bad and you may have to restart the application to use a new version of your application or a new database. All these situations could lead to application downtime. When the downtime is a planned one, things are better, but what if the downtime is unwarranted and accidental.
As indicated earlier, the errors could be from the application or the Heroku platform underneath...