server {
    listen 8080;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;
    gzip on;
    gzip_min_length 1024;
    gzip_types application/javascript application/wasm application/octet-stream text/css;

    location = /healthz {
        access_log off;
        default_type text/plain;
        return 200 "ok\n";
    }

    location ^~ /api/ {
        proxy_pass http://step3-api;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto https;
        proxy_connect_timeout 10s;
        proxy_read_timeout 60s;
    }

    location = /index.html {
        add_header Cache-Control "no-cache, no-store, must-revalidate" always;
        add_header X-Content-Type-Options "nosniff" always;
        try_files $uri =404;
    }

    location ~ ^/(terms\.html|privacy\.html|legal-page\.(css|js)|legal/legal_documents\.json|external-redirect\.html)$ {
        add_header Cache-Control "no-cache, no-store, must-revalidate" always;
        add_header X-Content-Type-Options "nosniff" always;
        try_files $uri =404;
    }

    # Godot exports reuse these filenames across releases. Revalidate them so a
    # newly deployed index never boots an older cached project package.
    location ~ ^/(index\.(js|pck|wasm)|medmind-inter\.ttf)$ {
        add_header Cache-Control "no-cache, no-store, must-revalidate" always;
        add_header X-Content-Type-Options "nosniff" always;
        try_files $uri =404;
    }

    location = /ranaze-loader-icon-v1.png {
        add_header Cache-Control "public, max-age=31536000, immutable" always;
        add_header X-Content-Type-Options "nosniff" always;
        try_files $uri =404;
    }

    location / {
        add_header Cache-Control "public, max-age=3600" always;
        add_header X-Content-Type-Options "nosniff" always;
        try_files $uri $uri/ /index.html;
    }
}