Add an Nginx Dockerfile

[kernelmethod]

Add a Dockerfile for Nginx so that we can simulate running a proxy in front of our Django / Gunicorn server. If possible, the Nginx server should be configured to support TLS, and should be in charge of serving static files.

If it's too much work to create a separate Nginx Dockerfile that serves static files, it's okay to have it run in the same container as the Django / Gunicorn server. Ideally, though, these services would be separate from one another.

[kernelmethod]

Note: an alternative option would be to have an Nginx server run on the same server as Gunicorn for serving static files as well as proxying connections to Gunicorn. At the same time, we could have a second layer of standalone Nginx servers proxying connections to Gunicorn but also to other services if necessary, as well as enabling TLS, performing rate limiting, setting headers, etc.

(Strongly doubt that this level of complexity is worth it though, especially if we're just trying to run tests.)

[prgu6170]

94b8761

[prgu6170]

Changes for TLS and any relevant headers to be made.