Initial container hardening

Summary

Requesting application to be hardened. This is only for initial hardening of a container.

Version Information

Current version: 21.1.0

Under support: Pre-release

Definition of Done

Hardening:

• Container builds successfully
• Greylist file has been created (requires a member from container hardening)
• Branch has been merged into development

Justifications:

• All findings have been justified per the above documentation
• Justifications have been provided to the container hardening team

Approval Process (container hardening team processes):

• Peer review from Container Hardening Team
• Findings Approver has reviewed and approved all justifications
• Approval request has been sent to Authorizing Official
• Approval request has been processed by Authorizing Official

/cc @ironbank-notifications/cht