mnemo_cards/tools/deploy/web-app/forgejo-nginx.conf

# Block all HTTP access except for code.mnemo-cards.online
server {
    listen 80 default_server;
    server_name _;

    # Block all HTTP requests to IP addresses or other domains
    return 444;
}

# Block all HTTPS access except for code.mnemo-cards.online
server {
    listen 443 ssl default_server;
    server_name _;

    # SSL configuration for default server (block IP access)
    ssl_certificate /etc/ssl/certs/nginx-selfsigned.crt;
    ssl_certificate_key /etc/ssl/private/nginx-selfsigned.key;
    ssl_protocols TLSv1.2 TLSv1.3;

    # Block all HTTPS requests to IP addresses or other domains
    return 444;
}

server {
    listen 80;
    server_name code.mnemo-cards.online;

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

server {
    listen 443 ssl http2;
    server_name code.mnemo-cards.online;

    # SSL configuration - Let's Encrypt
    ssl_certificate /etc/letsencrypt/live/code.mnemo-cards.online/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/code.mnemo-cards.online/privkey.pem;

    # Fallback to self-signed certificates if Let's Encrypt fails
    # ssl_certificate /etc/ssl/certs/nginx-selfsigned-forgejo.crt;
    # ssl_certificate_key /etc/ssl/private/nginx-selfsigned-forgejo.key;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    # Proxy to Forgejo running on port 3000
    location / {
        proxy_pass http://localhost:3000;
        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 for Forgejo
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Timeout settings
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;

        # Buffer settings
        proxy_buffering off;
        proxy_request_buffering off;
    }

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_proxied expired no-cache no-store private auth;
    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml+rss application/javascript;

    # Security - deny access to hidden files
    location ~ /\. {
        deny all;
    }
}