ImageMagick missing?

After updating my forum to 1.2.0.beta6 I got this message in the Dashboard:

Some problems have been found with your installation of Discourse:
The server is configured to create thumbnails of large images, but ImageMagick is not installed. Install ImageMagick using your favorite package manager or download the latest release.

Am I supposed to install ImageMagick manually? I’m running the Docker installation on a Digital Ocean droplet.

إعجاب واحد (1)

No, you don’t. Try to rebuild your container.

إعجاب واحد (1)

Thanks, I restarted the server and the warning message is gone now.

إعجاب واحد (1)