`sites-available/bubbe.ai`

96 lines
# HTTP - Redirect to HTTPS
server {
    listen 80;
    listen [::]:80;
    server_name bubbe.ai www.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 - Redirect non-www to www
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name bubbe.ai;

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

    # Redirect to www
    return 301 https://www.bubbe.ai$request_uri;
}

# HTTPS - Main site (www)
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name www.bubbe.ai;

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

    # Cloudflare Real IP Restoration
    set_real_ip_from 173.245.48.0/20;
    set_real_ip_from 103.21.244.0/22;
    set_real_ip_from 103.22.200.0/22;
    set_real_ip_from 103.31.4.0/22;
    set_real_ip_from 141.101.64.0/18;
    set_real_ip_from 108.162.192.0/18;
    set_real_ip_from 190.93.240.0/20;
    set_real_ip_from 188.114.96.0/20;
    set_real_ip_from 197.234.240.0/22;
    set_real_ip_from 198.41.128.0/17;
    set_real_ip_from 162.158.0.0/15;
    set_real_ip_from 104.16.0.0/13;
    set_real_ip_from 104.24.0.0/14;
    set_real_ip_from 172.64.0.0/13;
    set_real_ip_from 131.0.72.0/22;
    real_ip_header CF-Connecting-IP;

    # 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;

    # Proxy API requests to backend
    location /api/ {
        proxy_pass http://[::1]:3011/api/;
        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 to Bubbe chat app
    location / {
        proxy_pass http://[::1]:3011;
        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;
    }
}