FR: Support Path-style S3 URLs

[Oestle]

🚀 Feature Request

Support for path-style S3 URLs for file uploads.

For S3 two URL variants exist, virtual-hosted-style and path-style.
As far as i understand PasswordPusher currently only supports virtual-hosted-style, so bucket-name.endpoint.tld, not endpoint.tld/bucket-name - Or at least it's not documented.

🔈 Motivation

We use S3 on a private Cloud based on OpenStack that only supports path-style URLs for S3 buckets and would like to use that Object Store for file pushes.

[Oestle]

Found a workaround, the minio profile enforces path-style:

PasswordPusher/config/storage.yml

Line 24 in efd9235

force_path_style: true

But maybe a variable like PWP__FILES__S3__FORCE_PATH_STYLE to set it in any profile wouldn't hurt 😃

[pglombardo]

HI @Oestle - thanks for pointing this out and glad you figured it out! I'll see if we can add this setting soon.