Add an EFS volume into Secure Agent infrastructure

See merge request interop/iics_secure_agent!9

This volume will act as the persistence storage for Secure Agent's logs and configurations.

Pass informatica username/password into terraform and update docker image tags to be immutable

See merge request interop/iics_secure_agent!7

Tag Secure Agent images for each build

See merge request interop/iics_secure_agent!8

Tag has the format `git-${CI_COMMIT_SHA:0:8}`. `CI_COMMIT_SHA` is the GitLab CI/CD variable for this commit has.

Externalize Secure Agent configurations so that those can be persisted and re-use

See merge request interop/iics_secure_agent!6

* Add instructions on how to mount various configurations for Secure Agent so those can be re-used.
* Updated `README.md` with descriptions on how to mount volumes.
* Documented various ports in Secure Agents.
* Fixed punctuations.

Add ECR resource for publishing Secure Agent image

See merge request interop/iics_secure_agent!5

Image will be built and publish by the CI/CD process

Add ci/cd file into changes set to build

See merge request interop/iics_secure_agent!4

Make default build push to prod tier

See merge request interop/iics_secure_agent!3

Since we are planning to run a single instance of Secure Agent, let that be the prod instance.

Add initial terraform scripts for automating infra. for Informatica Secure Agent

See merge request interop/iics_secure_agent!2

Since our licensing restrict us from more than 1 instance of Secure Agent, before deploying a new instance existing instance need to be shutdown (after adjusting any resources that depends on that instance). Due to this reason terraform is not part of CI/CD.

Add gitlab-ci file

See merge request interop/iics_secure_agent!1

cleanup unused dir