One of the popular multimedia servers that supports DLNA and has an official Docker image is Plex Media Server. Plex is known for its user-friendly interface and robust media management capabilities. It allows you to organize your multimedia content, stream it to various devices, and supports DLNA for media sharing.

To run Plex Media Server in a Docker container, you can use the official Plex Docker image available on Docker Hub. Here's how you can run Plex in a Docker container:

Install Docker on your server or computer if you haven't already.

Pull the Plex Docker image from Docker Hub using the following command:
docker pull plexinc/pms-docker

Create a Docker container from the image. You'll need to specify the necessary environment variables and mount points to configure Plex properly. For example:

docker run -d \
--name=plex \
-e PLEX_CLAIM="your-claim-token" \
-e PLEX_UID=your-uid \
-e PLEX_GID=your-gid \
-p 32400:32400/tcp \
-v /path/to/your/media:/data \
plexinc/pms-docker

Replace "your-claim-token" with your Plex account claim token.
Set "your-uid" and "your-gid" to match the user and group under which Plex should run.
Replace "/path/to/your/media" with the path to your media files.
Access the Plex web interface by going to http://localhost:32400/web or replace "localhost" with the IP or hostname of your server.

Please note that Docker commands and options may vary depending on your specific setup and requirements. Make sure to refer to the official Plex documentation for detailed instructions and updates.

Keep in mind that software and Docker images may have evolved since my last knowledge update, so I recommend checking the official Plex website and Docker Hub for the most up-to-date information and guidance.
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