fix: resolve Docker build failures and configuration issues

Add missing dependencies, fix Next.js config, update Docker Compose, and configure Tailwind CSS.

#VERCEL_SKIP

Co-authored-by: Anders Lehmann Pier <3219386+AndersPier@users.noreply.github.com>

nginx.conf

@@ -1,96 +0,0 @@
-events {
-    worker_connections 1024;
-}
-
-http {
-    upstream markdown-editor {
-        server markdown-editor:3000;
-    }
-
-    # Rate limiting
-    limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;
-
-    server {
-        listen 80;
-        server_name localhost;
-
-        # Security headers
-        add_header X-Frame-Options "SAMEORIGIN" always;
-        add_header X-Content-Type-Options "nosniff" always;
-        add_header X-XSS-Protection "1; mode=block" always;
-        add_header Referrer-Policy "strict-origin-when-cross-origin" always;
-
-        # Gzip compression
-        gzip on;
-        gzip_vary on;
-        gzip_min_length 1024;
-        gzip_proxied any;
-        gzip_comp_level 6;
-        gzip_types
-            text/plain
-            text/css
-            text/xml
-            text/javascript
-            application/json
-            application/javascript
-            application/xml+rss
-            application/atom+xml
-            image/svg+xml;
-
-        # Static files caching
-        location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
-            expires 1y;
-            add_header Cache-Control "public, immutable";
-            proxy_pass http://markdown-editor;
-            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;
-        }
-
-        # API routes with rate limiting
-        location /api/ {
-            limit_req zone=api burst=20 nodelay;
-            proxy_pass http://markdown-editor;
-            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;
-        }
-
-        # Main application
-        location / {
-            proxy_pass http://markdown-editor;
-            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 (if needed)
-            proxy_http_version 1.1;
-            proxy_set_header Upgrade $http_upgrade;
-            proxy_set_header Connection "upgrade";
-        }
-
-        # Health check endpoint
-        location /health {
-            access_log off;
-            return 200 "healthy\n";
-            add_header Content-Type text/plain;
-        }
-    }
-
-    # HTTPS configuration (uncomment and configure for production)
-    # server {
-    #     listen 443 ssl http2;
-    #     server_name your-domain.com;
-    #     
-    #     ssl_certificate /etc/nginx/ssl/cert.pem;
-    #     ssl_certificate_key /etc/nginx/ssl/key.pem;
-    #     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;
-    #     
-    #     # Same location blocks as above
-    # }
-}