note to ppl who reviews

before anything, add to /etc/hosts the following.

127.0.0.1 competitor.local api.competitor.local app.competitor.local ai.competitor.local

u might be ready to go now; don't forget to run

docker compose up --build

might be useful too~

architecture

- compose -> nginx
          -> db
  - mod. 1 landing      competitor.local (frontend)
  - mod. 2 api      api.competitor.local (backend)
            |
  - mod. 3 app web  app.competitor.local (frontend)
  - mod. 4 ai        ai.competitor.local (fullstack)