user nginx;
worker_processes auto;
pid /var/run/nginx.pid;

events {
    worker_connections 768;
}

http {
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    # Logging Settings
    access_log /dev/stdout;
    error_log /dev/stderr warn;

    server {
        listen 80;
        server_name localhost;
        root /usr/share/nginx/html;
        index index.html;

        location /app-data/ {
            include /etc/nginx/nginx-auth.conf; # Apply Basic Auth to API

            proxy_pass http://127.0.0.1:3000/; # Node API listens on port 3000 locally
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection 'upgrade';
            proxy_set_header Host $host;
            proxy_cache_bypass $http_upgrade;
            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;
        }

        # Enable gzip compression
        gzip on;
        gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

        # Deny direct access to any files that might be mapped under a /data/ URI path
        location /data/ {
            deny all;
            return 404; # Or 403 Forbidden
        }

        location / {
            include /etc/nginx/nginx-auth.conf; # Apply Basic Auth to the whole site
            try_files $uri $uri/ /index.html;
        }

        # Enable browser caching for static assets
        location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
            include /etc/nginx/nginx-auth.conf; # Apply Basic Auth to static assets too
            expires 30d;
            add_header Cache-Control "public, no-transform";
        }

        # Error pages
        error_page 404 /index.html; # Consider a specific 404.html if you have one
        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
            root /usr/share/nginx/html; # Ensure 50x.html is in the root
        }
    } # End of server block
} # End of http block