www.yaml.org VS hub-feedback

First of all, create a file in the root project directories called compose.yaml. YAML is a text format that uses indentation to specify dependencies between configuration options. Be aware that incorrect indentation will cause problems with executing commands properly.

Most commonly written in YAML, these files are large and complex to read and understand. And being written in YAML comes with its challenges (and quirks) since it is an additional programming language that devs need to learn.

YAML Ain't a Markup Language

Note, that this file is a Markdown and YAML file at the same time, and as such human- and machine-readable, if the fields are filled carefully.

Front matter is a bit of text at the start of a file (YAML to be exact) that is placed between two ---

Meanwhile, formats have been evolving (JSON5, YAML), config entry points are constantly changing. These fluctuations, fortunately, were covered by tools like the cosmiconfig.

Personally, I'd love to see them using a standard file format like TOML or YAML so that they're easy to parse and work with using already-existing tools.

image: this key specifies the image this container is based on to be created. It can be a local image or an image from the Docker hub.

Finally, we can upload our application to Docker Hub so that other people can use the image we created. To do this, follow the steps below:

Pull the official Docker distribution of pgAdmin 4 from the Docker Hub repository with the following command:

To use Docker Scout, you'll first have to have a Docker Hub account. Follow the installation instructions for Docker Scout on GitHub. Once Docker Scout is installed, you can sign in to Docker Hub on the command line with the docker login command.

Go to Docker Hub, sign up, and log in to your account's overview page.

Login to Docker [Create an account with https://hub.docker.com/]

Docker Hub

Dockerhub account

There are a lot of docker-compatible registries almost every cloud provider has its registry but for this article, we will use the docker registry called docker hub. Go to the website create a new account and sign in then you can push or pull images.