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Unable to scale or stop Dynos when using Docker Containers After converting to Docker images, I have extra dynos that I'm unable to scale down or stop. For example: 1. I previously built a slug-based app with the process types `web` and `worker`. 2. I switched to Docker images, and now use containers named `web` and `background_jobs`. 3. I now have a `worker` dyno that remains on my app, but attempts to stop or scale it fail with a "Couldn't find that process type" error
Why do "heroku run" commands get stuck for apps built in docker containers? `heroku run` commands hang and show `connecting...` indefinitely for an app built with the `container` stack.
How do I measure current memory use and max available memory on a dyno in a Private Space? I would like to let the app code to adjust memory usage to avoid [R15 - Memory quota vastly exceeded](https://devcenter.heroku.com/articles/error-codes#r15-memory-quota-vastly-exceeded) errors but the `free` command shows inconsistent results. How can I obtain current memory use and max available memory on a dyno in a Private Space?
Why are my New Relic memory graphs different From Heroku? When you look at your New Relic memory consumption graphs, it shows less memory use than your Heroku memory metrics.
Can I use WordPress on Heroku? I want to run a site using WordPress on Heroku.
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Dev Center articles 3

Dynos (App Containers) A dyno is a lightweight Linux container that runs a single user-specified command. The dyno manager manages many different applications and keeps dynos running automatically.
Local Development with Docker Compose Docker Compose is a tool for defining and running a multi-container Docker application. Learn why Docker Compose is great for local development, how to push your Docker image to Heroku for deployment, and other tips and tricks.
How Heroku Works This is a high-level, technical description of how Heroku works. It ties together many of the concepts you'll encounter while writing, configuring, deploying and running applications on the Heroku platform.

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