set_real_ip_from 127.0.0.1;
set_real_ip_from 10.42.0.0/16;
set_real_ip_from 10.43.0.0/16;
set_real_ip_from 172.16.0.0/12;
real_ip_header X-Forwarded-For;
real_ip_recursive on;

server {
    listen 80;
    server_name _;

    root /usr/share/nginx/html;
    index index.html;

    location / {
        try_files $uri $uri/ /index.html;
    }

    # Never cache the SPA entrypoint — chunk hashes change every deploy and a
    # stale index.html keeps users stuck on 404'd chunks even after reload.
    location = /index.html {
        add_header Cache-Control "no-cache, no-store, must-revalidate" always;
        expires -1;
    }

    location /api {
        proxy_pass         http://ops-api:8090;
        proxy_http_version 1.1;
        proxy_set_header   Host              $host;
        proxy_set_header   X-Real-IP         $remote_addr;
        proxy_set_header   X-Forwarded-For   $remote_addr;
        proxy_set_header   X-Forwarded-Proto $scheme;
        proxy_read_timeout 120s;
        proxy_send_timeout 120s;
    }

    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff2?)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    gzip on;
    gzip_static on;
    gzip_vary on;
    gzip_types text/plain text/css application/json application/javascript text/xml;

    brotli_static on;
}