# earth-now.co
# Author:  Simon-Pierre Boucher
# Contact: contact@spboucher.ai
# File:    infra/nginx.conf
# Purpose: Reverse proxy — / → web:3000, /api|/v1|/sse|/badge → api:4000; SSE-safe (no buffering, 1 h read timeout)
#
# Kept portable on purpose: swapping ngrok for Cloudflare Tunnel or a plain LB
# later must not require app changes.

server {
    listen 80;
    server_name _;

    # --- API ---------------------------------------------------------------
    location /api {
        proxy_pass http://api:4000;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    location /v1 {
        proxy_pass http://api:4000;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # --- SSE: model distribution — never buffer, hold connections open ------
    location /sse {
        proxy_pass http://api:4000;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Connection "";
        proxy_buffering off;
        proxy_cache off;
        proxy_read_timeout 1h;
        proxy_send_timeout 1h;
        chunked_transfer_encoding off;
    }

    # --- Badges: rendered by the api, CDN-cached upstream --------------------
    location /badge {
        proxy_pass http://api:4000;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # --- Everything else: Next.js web app ------------------------------------
    location / {
        proxy_pass http://web:3000;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}