Go back to using github.sha for tag everywhere

.github/workflows/aws_deploy.yml

@@ -86,23 +86,15 @@ jobs:
         id: timestamp
         run: echo "timestamp=$(date +%Y%m%d%H%M%S)" >> $GITHUB_ENV
 
-      - name: Checkout at release tag
+      - name: Get additional tag
-        uses: actions/checkout@v3
-        if: inputs.environment == 'production'
-        with:
-          ref: ${{ inputs.release_tag }}
-
-      - name: Get tags
-        id: tags
         run: |
-          echo "commit-tag=$(if [[ ${{ inputs.environment }} == 'production' ]]; then echo $(git log -1 '--format=format:%H'); else echo ${{ github.sha }}; fi)" >> $GITHUB_ENV
           echo "additional-tag=$(if [[ ${{ inputs.environment }} == 'production' ]]; then echo ${{ inputs.release_tag }}-${{ env.timestamp }}; else echo ${{ env.timestamp }}; fi)" >> $GITHUB_ENV
 
       - name: Add environment tag to existing image
         id: update-image-tags
         env:
           registry: ${{ steps.ecr-login.outputs.registry }}
-          commit_tag: ${{ env.commit-tag }}
+          commit_tag: ${{ github.sha }}
           readable_tag: ${{ inputs.environment }}-${{ env.additional-tag }}
         run: |
           manifest=$(aws ecr batch-get-image --repository-name $repository --image-ids imageTag=$commit_tag --output text --query images[].imageManifest)