# =============================================================================
# PROJECT N.O.M.A.D. — Homelab Edition
# Nginx Reverse Proxy Configuration
# =============================================================================

upstream nomad_app {
    server nomad-app:8080;
    keepalive 32;
}

server {
    listen 80;
    server_name _;

    # 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;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    # Logging
    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    # Client body size (for file uploads)
    client_max_body_size 10G;

    # Timeouts for large file operations
    proxy_read_timeout 600s;
    proxy_send_timeout 600s;
    proxy_connect_timeout 60s;

    # Health check endpoint (bypasses proxy for fast response)
    location /nginx-health {
        access_log off;
        return 200 "healthy\n";
        add_header Content-Type text/plain;
    }

    # WebSocket support for Transmit (real-time updates)
    location /__transmit {
        proxy_pass http://nomad_app;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        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;
        proxy_read_timeout 86400s;
    }

    # Main application
    location / {
        proxy_pass http://nomad_app;
        proxy_http_version 1.1;
        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;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;

        # Buffer settings for large responses
        proxy_buffering on;
        proxy_buffer_size 16k;
        proxy_buffers 8 32k;
    }

    # Static assets caching
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        proxy_pass http://nomad_app;
        proxy_set_header Host $host;
        expires 7d;
        add_header Cache-Control "public, immutable";
    }
}