CSP on acc/prd breaks haproxy 503 error page

[baszoetekouw]

possible solution: allow strict-dynamic CSP and add a hash to the inline styles of the page. See https://content-security-policy.com/hash/ en https://content-security-policy.com/strict-dynamic/

[mrvanes]

I'm not sure what the problem is, nor how to reproduce locally? When I stop SBS, haproxy shows the nice 503 on my local deploy, just like the example above?