Is Cloud IDE compatible with my custom VCL file?

Yes. If you have a custom Varnish Configuration Language (VCL) file, you can opt-in for Cloud IDE ACLs (Access Control List), which seamlessly pulls your application in Cloud IDE while ensuring the security of your application.

To opt-in for Cloud IDE ACLs, add the following line to your customizable ACL section:

std.ip(req.http.client-ip, "127.0.0.2") !~ acquia_acls_cloudides