Image build (#5)

* Remove obsolete Lambda packaging script and related configuration files

- Deleted `package_lambda.py` script responsible for packaging AWS Lambda functions and layers.
- Removed `pip.conf` configuration file for pip settings.
- Eliminated `requirements.txt` file that specified Python dependencies.
- Deleted `test_payload.json` used for testing Lambda functions.
- Removed empty JSON and TFVAR files in `varfiles` directory.
- Deleted `variables.tf` file containing Terraform variable definitions.
- Removed `versions.tf` file specifying Terraform version requirements.
- Added new GitHub Actions workflow for building and pushing Lambda container images using Packer.
- Introduced `packer.pkr.hcl` file for Packer configuration to build Docker images for Lambda.

* Refactor GitHub API integration to remove Census-specific references and improve configuration handling

* Update Python setup in build workflow to use actions/setup-python@v4 and improve dependency installation

* Add Terraform backend configuration for GCS storage

* Add GOOGLE_CREDENTIALS environment variable to build workflow

* Remove unused PACKER_GITHUB_API_TOKEN from build workflow environment

* updating build

---------

Co-authored-by: Dave Arnold <dave@roknsound.com>

.github/workflows/build.yml

@@ -4,6 +4,8 @@ on:
   workflow_dispatch:
   push:
     branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
 
 permissions:
   contents: write
@@ -38,7 +40,7 @@ jobs:
         with:
           python-version: '3.11'
           cache: 'pip'
-          cache-dependency-path: requirements.txt
+          cache-dependency-path: gtag_requirements.txt
 
       - name: Install gtag dependencies
         run: |
@@ -74,6 +76,9 @@ jobs:
         uses: aws-actions/amazon-ecr-login@v2
         with:
           mask-password: true
+          registry-type: public
+        env:
+          AWS_REGION: ${{ env.AWS_DEFAULT_REGION }}
 
       - name: packer init
         run: packer init packer.pkr.hcl