nginx.conf

# Nginx configuration for OpenVox GUI
# This file should be placed in /etc/nginx/sites-available/openvox-gui

server {
    listen 8080 ssl;
    server_name YOUR_HOSTNAME;

    ssl_certificate /etc/puppetlabs/puppet/ssl/certs/YOUR_HOSTNAME.pem;
    ssl_certificate_key /etc/puppetlabs/puppet/ssl/private_keys/YOUR_HOSTNAME.pem;

    root /opt/openvox-gui/frontend/dist;
    index index.html;

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;

    # Cache control for different file types
    location / {
        try_files $uri $uri/ /index.html;
        
        # HTML files should never be cached
        location ~ \.html$ {
            add_header Cache-Control "no-cache, no-store, must-revalidate";
            add_header Pragma "no-cache";
            add_header Expires "0";
        }
    }

    # Static assets with hash in filename can be cached forever
    location /assets/ {
        # Files with hash in name can be cached long-term
        location ~ \-[a-zA-Z0-9]{8}\. {
            add_header Cache-Control "public, max-age=31536000, immutable";
        }
        
        # Other assets get shorter cache
        add_header Cache-Control "public, max-age=3600";
    }

    # API proxy
    location /api/ {
        proxy_pass http://localhost:4567;
        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;
        
        # WebSocket support
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        
        # No caching for API
        add_header Cache-Control "no-cache, no-store, must-revalidate";
    }

    # Disable caching for service worker
    location /sw.js {
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        add_header Pragma "no-cache";
        add_header Expires "0";
    }

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_min_length 10240;
    gzip_proxied expired no-cache no-store private auth;
    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml application/javascript application/json;
    gzip_disable "MSIE [1-6]\.";
}