# CDN — cdn.modstagram.com → کش فایل‌های storage
# مسیر: /etc/nginx/sites-available/cdn.modstagram.com
# IP سرور: 185.164.73.197

proxy_cache_path /var/cache/nginx/cdn levels=1:2 keys_zone=cdn_cache:50m inactive=7d max_size=5g;

server {
    listen 80;
    server_name cdn.modstagram.com;

    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    location / {
        return 301 https://$host$request_uri;
    }
}

server {
    listen 443 ssl http2;
    server_name cdn.modstagram.com;

    ssl_certificate /etc/letsencrypt/live/cdn.modstagram.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/cdn.modstagram.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;

    location /storage/ {
        proxy_pass http://127.0.0.1:3002/storage/;
        proxy_set_header Host api.modstagram.com;
        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_cache cdn_cache;
        proxy_cache_valid 200 1h;
        proxy_cache_valid 404 1m;
        add_header X-Cache-Status $upstream_cache_status;
        add_header Access-Control-Allow-Origin *;
    }

    location /health {
        return 200 "cdn-ok";
        add_header Content-Type text/plain;
    }
}