Problem with SSL

Hi EveryOne, guys i have a enviroment with SSL but im on checkout in the first step (Billing address ) i confirmed i get the back page (my cart), i saw on the console and get this error

Mixed Content: The page at 'https://my-web/onepagecheckout#opc-billing' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'http://my-web/checkout/OpcSaveBilling/'. This request has been blocked; the content must be served over HTTPS.

i went to admin to configure my store with ssl but if i active this option i have many direccion on the checkout.

anyone can help me ?

hllanos wrote:

now im using docker.

Guys i used this:
<meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">
but i dont know if is the practice good , please your coments.

reference: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/upgrade-insecure-requests

Where did you make this change? I am having a similar issue.

The challenge is if I enable the Force SSL - I am getting multiple redirections.