events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; server { listen 8888; location / { root /usr/share/nginx/html; index index.html; } location /internal/metrics { proxy_pass http://host.docker.internal:9999/internal/metrics; proxy_set_header Host $host; add_header Access-Control-Allow-Origin *; } } }