The :latest tag is a convention in Docker that points to the most recent stable build of an image.
You automatically get the newest features and security patches. Cons:
How to Download the Latest Nginx Image: A Complete Guide If you are diving into the world of containers, Nginx is likely one of the first tools you’ll use. Whether you're setting up a web server, a reverse proxy, or a load balancer, you need to get the image onto your local machine or server first.
Here is the exact command you need and everything you should know about how it works. The Command
: Maps your computer's port 8080 to the container's port 80. You can then see Nginx in action by visiting localhost:8080 in your browser.
Once the download is finished, you can confirm the image is on your system by listing your local images: docker images Use code with caution.
: This is the tag . It specifies the version of the software you want. If you omit this (running just docker pull nginx ), Docker will automatically default to the latest tag anyway. Why Use the "Latest" Tag?
Downloading is just the first step. To actually start a web server using that image, run: docker run --name my-nginx -d -p 8080:80 nginx:latest Use code with caution. : Runs the container in the background (detached mode).
