A Bundle of Docker Deploy Improvements

[AlpacaFur]

Description

This PR accomplishes a few things (I probably should have broken it up a bit more in retrospect):

1. Improves the docker deploy scripts (the actual original point of this branch).

• Added get-ecr-image-name.sh to generate a standalone docker image tag.
• Added frontend:build, frontend:run, frontend:push, backend:build, backend:run, backend:push, and ecr:docker:auth scripts to the package.json to simplify manual deploys.
• Added a README for deploying to staging or prod in the infrastructure/prod folder.

2. Adds metadata to our built docker images (images now store their commit message, commit hash and build time)

• The data for both frontend and backend is visible on the frontend, and the backend data is also available on a new /api/meta/info endpoint.

3. Finishes backend setup for the frontend Vercel migration (cookies are evil).

• Update the cors allowed methods, domain, and allowed credentials (true).

Type of change

Please tick the boxes that best match your changes.

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

1. I manually tested the new deploy scripts to ensure they worked properly.
2. I tested the metadata worked locally (frontend only) and in staging (frontend and backend).
3. I tested that with the change you can login on frontend-staging.graduatenu.com.

Checklist:

• I have run the production builds in docker for the frontend/backend and ensure things run fine. Check README of repo on how to run if not sure.
• I have performed a self-review of my own code
• I have commented my code where needed
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I've run the end to end tests
• Any dependent changes have been merged and published in downstream modules

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Name	Status	Preview	Comments	Updated (UTC)
graduatenu-frontend-v2	❌ Failed (Inspect)			Nov 27, 2023 2:55am

[lukejianu]

Overall very based LFT PR.