Project Setup: Part Two

The following tasks continue where we left off in the previous lesson.

Task 3: Install project dependencies

Let’s install Express for our project as follows:

What does running the above command create in our folder?

A new folder called node_modules is created. It’s the folder where npm installs the packages the project needs, such as dependencies.

The express package is installed in the current file tree under the node_modules subfolder.

As this happens, npm also adds the express entry in the dependencies property of the package.json file present in the current folder.

Finally, a package-lock.json file is also created.

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