apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ include "ai-teacher.fullname" . }}-nginx
data:
  default.conf: |
    server {
        listen 80;
        server_name _;
        root /usr/share/nginx/html;
        index index.html;

        # Proxy API calls to the backend service
        location ^~ /api/{
            proxy_pass http://{{ include "ai-teacher.fullname" . }}-backend:8080;
            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_read_timeout 120s;
        }

        # Vue Router — serve index.html for all non-asset routes
        location / {
            try_files $uri $uri/ /index.html;
        }

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

        gzip on;
        gzip_types text/plain text/css application/javascript application/json;
        gzip_min_length 1024;
    }