`sites-available/lang.bubbe.ai`

67 lines
# HTTP - Redirect to HTTPS
server {
    listen 80;
    listen [::]:80;
    server_name lang.bubbe.ai;

    # Let's Encrypt verification
    location ^~ /.well-known/acme-challenge/ {
        root /var/www/html;
        default_type "text/plain";
        try_files $uri =404;
    }

    # Redirect all HTTP to HTTPS
    location / {
        return 301 https://$server_name$request_uri;
    }
}

# HTTPS - Language API Service
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name lang.bubbe.ai;

    # SSL Configuration
    ssl_certificate /etc/letsencrypt/live/lang.bubbe.ai/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/lang.bubbe.ai/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;

    # Security Headers
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;

    # CORS headers for API
    add_header Access-Control-Allow-Origin "*" always;
    add_header Access-Control-Allow-Methods "GET, POST, OPTIONS" always;
    add_header Access-Control-Allow-Headers "Content-Type, Authorization" always;

    # Proxy to language service on port 8000
    location / {
        # Handle OPTIONS for CORS preflight
        if ($request_method = OPTIONS) {
            add_header Access-Control-Allow-Origin "*";
            add_header Access-Control-Allow-Methods "GET, POST, OPTIONS";
            add_header Access-Control-Allow-Headers "Content-Type, Authorization";
            add_header Content-Length 0;
            add_header Content-Type text/plain;
            return 204;
        }

        proxy_pass http://localhost:9894;
        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_cache_bypass $http_upgrade;
    }
}