ExcalidrawTool/nginx.conf at main · lILogit/ExcalidrawTool · GitHub

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user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
}

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

    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent"';

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

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    client_max_body_size 20M;

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types text/plain text/css text/xml text/javascript
               application/json application/javascript application/xml+rss
               application/rss+xml font/truetype font/opentype
               application/vnd.ms-fontobject image/svg+xml;

    # Server configuration
    server {
        listen 80;
        server_name _;
        root /usr/share/nginx/html;
        index index.html;

        # Security headers (enhanced)
        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;
        add_header Permissions-Policy "geolocation=(), microphone=(), camera=()" always;

        # CORS headers for API calls
        add_header Access-Control-Allow-Origin "*" always;
        add_header Access-Control-Allow-Methods "GET, POST, PUT, DELETE, OPTIONS" always;
        add_header Access-Control-Allow-Headers "Origin, X-Requested-With, Content-Type, Accept, Authorization" always;

        # SPA fallback - all routes go to index.html
        location / {
            try_files $uri $uri/ /index.html;
        }

        # Cache static assets
        location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
            expires 1y;
            add_header Cache-Control "public, immutable";
        }

        # Health check endpoint
        location /health {
            access_log off;
            return 200 "healthy\n";
            add_header Content-Type text/plain;
        }

        # N8N API endpoints (stub for production - stores responses in logs)
        # In dev mode, these are handled by vite-plugin-n8n-listener.ts
        location /api/n8n/updates {
            access_log off;
            add_header Content-Type application/json;
            return 200 '{"updates":[]}';
        }

        location /api/n8n/callback {
            # Accept N8N callbacks and log them
            # In production, this is a stub - actual N8N integration requires backend
            add_header Content-Type application/json;
            return 200 '{"success":true,"message":"Received (production stub)"}';
        }

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

        # API proxy for N8N (optional, if needed)
        # Uncomment this section if running N8N in docker-compose
        # location /n8n-webhook/ {
        #     resolver 127.0.0.11 valid=30s;
        #     set $n8n_upstream "n8n:5678";
        #     proxy_pass http://$n8n_upstream/;
        #     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;
        # }
    }
}