chore(dd): link source code to dd

[KenLSM]

Problem

Source Code is not linked to DD. Having this link would help us to identify the likely line of code that has caused the error.

Solution

To include DD variables into env that dd would load on init .

DD_GIT_COMMIT_SHA="<commitSha>"
DD_GIT_REPOSITORY_URL="<gitRepo>"

1. Rename .ebextensions/env-file-creation.config to .ebextensions/01env-file-aws-ssm.config
2. Add .ebextensions/02env-file-datadog.config

Notes
The file starts with 01 as eb will run the scripts in order of alphabetical order. i.e., 01*.config runs before 02*.config

.env is created/overwritten in 01*.config while .ebextensions/02env-file-datadog.config append the new envvars into .env directly. Thus, we have to ensure that .ebextensions/01env-file-aws-ssm.config gets executed first.

Breaking Changes

• No - this PR is backwards compatible

Tests

Regression

• Make a Form Submission
• Observe that it succeeds

[KenLSM]

@wanlingt this might be useful for Signify as reference!

[wanlingt]

@wanlingt this might be useful for Signify as reference!

thanks @KenLSM !!

[justynoh]

LGTM