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update get started (#18876) 

Signed-off-by: Craig Osterhout <craig.osterhout@docker.com>
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Craig Osterhout 2023-12-08 08:44:04 -08:00 committed by GitHub
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content/get-started/02_our_app.md
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@ -128,11 +128,16 @@ Now that you have an image, you can run the application in a container using the
``` ```
The `-d` flag (short for `--detach`) runs the container in the background. The `-d` flag (short for `--detach`) runs the container in the background.
The `-p` flag (short for `--publish`) creates a port mapping between the host and the container. This means that Docker starts your container and returns you to the terminal
The `-p` flag takes a string value in the format of `HOST:CONTAINER`, prompt. You can verify that a container is running by viewing it in Docker
where `HOST` is the address on the host, and `CONTAINER` is the port on the container. Dashboard under **Containers**, or by running `docker ps` in the terminal.
The command publishes the container's port 3000 to `127.0.0.1:3000` (`localhost:3000`) on the host.
Without the port mapping, you wouldn't be able to access the application from the host. The `-p` flag (short for `--publish`) creates a port mapping between the host
and the container. The `-p` flag takes a string value in the format of
`HOST:CONTAINER`, where `HOST` is the address on the host, and `CONTAINER` is
the port on the container. The command publishes the container's port 3000 to
`127.0.0.1:3000` (`localhost:3000`) on the host. Without the port mapping,
you wouldn't be able to access the application from the host.
2. After a few seconds, open your web browser to [http://localhost:3000](http://localhost:3000). 2. After a few seconds, open your web browser to [http://localhost:3000](http://localhost:3000).
You should see your app. You should see your app.