nginx.conf

user www-data;
worker_processes auto;
pid /run/nginx.pid;
error_log /var/log/nginx/error.log debug;

events {
    worker_connections 1024;
}

http {
    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    access_log /var/log/nginx/access.log;

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    gzip off;

    server {
        listen 8443 ssl;
        server_name 192.168.0.51;

        ssl_certificate /etc/nginx/ssl/selfsigned.crt;
        ssl_certificate_key /etc/nginx/ssl/selfsigned.key;

        # Serve static files from the frontend build directory
        root /app/data/public/dist;
        index index.html;

        # Add security headers
        add_header X-Content-Type-Options "nosniff" always;
        add_header Cache-Control "public, max-age=3600" always;

        # Simplify the Server header
        server_tokens off;
        add_header Server nginx;

        # Handle WebSocket connections at /ws
        location /ws {
            proxy_pass http://127.0.0.1:8080/ws;
            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 3600s;
            proxy_send_timeout 3600s;
        }

        # Proxy API requests to the backend
        location /api/ {
            proxy_pass http://127.0.0.1:8080/api/;
            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;
        }

        # Serve JavaScript files with correct MIME type and charset
        location ~* \.js$ {
            types { application/javascript js; }
            charset utf-8;
            add_header Cache-Control "public, max-age=3600";
        }

        # Serve HTML files with correct MIME type and charset
        location ~* \.html$ {
            types { text/html html; }
            charset utf-8;
            add_header Cache-Control "public, max-age=3600";
        }

        # Serve favicon.ico with correct MIME type
        location = /favicon.ico {
            types { image/x-icon ico; }
            add_header Cache-Control "public, max-age=86400";
        }

        # Fallback for Single Page Application (SPA) routing
        location / {
            try_files $uri $uri/ /index.html;
        }
    }
}