[FEATURE] Add coolify integration to the docs

[waseemw]

I got it working on coolify using this config, and wanted to share it so that it can be added to the docs:

1. create 'empty docker compose' service (here user/pass is admin:admin) and secret is just random:

services:
  tinyauth:
    image: 'ghcr.io/steveiliop56/tinyauth:v3'
    container_name: tinyauth
    restart: unless-stopped
    environment:
      - SECRET=tOPwhbiMF4hbipPK4hpPK4hbipPK4hbb
      - 'APP_URL=https://auth.yourdomain.com'
      - 'USERS=admin:$$2a$$12$$CtdKwh6uzF1VkmdTDZje3eRilGu9Nj1kjiirevBvM3M6mAwzb43SW'

and for the service in coolify ui set the domain to https://auth.yourdomain.com:3000 so it points to 3000 in the container

2. add dynamic configuration in proxy settings (don't change the address here, it should point to docker instance not public hostname)

http:
  middlewares:
    tinyauth:
      forwardAuth:
        address: 'http://tinyauth:3000/api/auth/traefik'
        trustForwardHeader: true

3. then for every service, to protect it simply add to the labels:

- traefik.http.middlewares.tinyauth@file

Example webpage protected by tinyauth in coolify:

version: '3.8'
services:
  webserver:
    image: 'nginx:alpine'
    container_name: simple_default_webpage
    restart: unless-stopped
    labels:
      - traefik.http.middlewares.tinyauth@file

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[tanmay-pathak]

This was very helpful, thank you!

[darentanrw]

this was super useful, you should definitely open a pr to coolify to add this integration as a service. thanks so much!