location /api/v1/donations/images { proxy_pass https://mempool.space; proxy_cache services; proxy_cache_valid 200 1d; expires 7d; add_header Cache-Control "public, no-transform"; proxy_hide_header onion-location; proxy_hide_header strict-transport-security; proxy_hide_header content-security-policy; proxy_hide_header x-frame-options; }