fix: update environment files for backend connection

[urgetolearn]

Description

Describe the changes made and why they were made instead of how they were made. List any dependencies that are required for this change.

Related issues and discussion

#{Issue Number}

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Checklist

Please make sure these boxes are checked before submitting your pull request - thanks!

• If you have multiple commits please combine them into one commit by squashing them.

• Read and understood the contribution guidelines at web-app/.github/CONTRIBUTING.md.

[steinwinde]

Thank you, but there are a number of issues with this PR. A meaningful description of what you want to achieve is important. With few exceptions, your work must be based on a Jira ticket, which documents your work in more detail. (So if you want to get this merged into the repository, make sure there is such a ticket.) You also should squash your commits, so only one remains. You can read more about it here.

[steinwinde]

If you want to provide a new PR, please target the dev branch, not main. The dev branch is where all the progress happens from today on.