Initial commit

frontend/nginx.conf

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+server {
+    listen 80;
+    server_name localhost;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # 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 application/javascript application/json;
+    gzip_disable "MSIE [1-6].";
+
+    # 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;
+
+    # API proxy
+    location /api/ {
+        proxy_pass http://backend:3001/api/;
+        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 $http_upgrade;
+        proxy_read_timeout 300s;
+        proxy_connect_timeout 75s;
+    }
+
+    # Static files with correct MIME types
+    location ~* \.(js|json)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+        add_header Content-Type application/javascript;
+    }
+
+    location ~* \.(css)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+        add_header Content-Type text/css;
+    }
+
+    location ~* \.(png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+
+    # SPA fallback - serve index.html for all routes
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    # Health check endpoint
+    location /health {
+        access_log off;
+        return 200 "healthy\n";
+        add_header Content-Type text/plain;
+    }
+
+    # Deny access to hidden files
+    location ~ /\. {
+        deny all;
+        access_log off;
+        log_not_found off;
+    }
+
+    # Error pages
+    error_page 404 /index.html;
+    error_page 500 502 503 504 /50x.html;
+    location = /50x.html {
+        root /usr/share/nginx/html;
+    }
+}