What do -d --name nginx-mapped -p 8080:80 configure?
-d --name nginx-mapped -p 8080:80
Image deletion, image renaming, and container port 8080 forwarding to host port 80.
Foreground logs, a random name, and no host-accessible port.
Background execution, a stable container name, and host port 8080 forwarding to container port 80.
A volume, an environment variable, and a CPU limit.