Add release container build and cleanup general container build pipeline

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

.gitlab/ci/scripts/docker_host_port

-#!/bin/sh
-TEMPLATE="{{ (index (index .NetworkSettings.Ports \"${1}/tcp\") 0).HostPort }}"
-docker inspect -f "${TEMPLATE}" ${2}