Work around slashes not being suppoerted in docker tags

.github/workflows/twilio-lambda-ci.yml

@@ -95,9 +95,11 @@ jobs:
           # Extracting directory and lambda name from the lambda path
           build_lambda_dir=$(dirname $lambda_full_path)
           build_lambda_name=$(basename $lambda_full_path)
+          ref_name=${{ github.ref_name }}
           echo "build_lambda_name=$build_lambda_name" >> $GITHUB_ENV
           echo "build_lambda_dir=$build_lambda_dir" >> $GITHUB_ENV
-
+          echo "ref_name_for_docker="${ref_name//$'\/'/_-}" >> $GITHUB_ENV
+        shell: bash
       - name: Build and Push Docker Image
         uses: docker/build-push-action@v5
         with:
@@ -108,7 +110,7 @@ jobs:
             lambda_dir=${{ env.build_lambda_dir }}
           push: true
           # 'latest' is never used, but it keeps terraform happy
-          tags: ${{ env.ECR_URL }}:${{ github.ref_type }}.${{ github.ref_name }},${{ env.ECR_URL }}:${{ github.sha }},${{ env.ECR_URL }}:latest
+          tags: ${{ env.ECR_URL }}:${{ github.ref_type }}.${{ env.ref_name_for_docker }},${{ env.ECR_URL }}:${{ github.sha }},${{ env.ECR_URL }}:latest
 
       - name: Generate output
         id: generate-output

.github/workflows/twilio-lambda-deploy.yml

@@ -96,7 +96,9 @@ jobs:
       # that is pushed in the primary region available in all other regions.
       - name: Update Lambda and Publish
         run: |
-          DOCKER_IMAGE=$(echo "${{ env.ECR_URL }}:${{ github.ref_type }}.${{ github.ref_name }}" | sed -r 's/${{ env.PRIMARY_AWS_REGION }}/${{ inputs.region }}/g')
+          REF_NAME="${{ github.ref }}"
+          REF_NAME_FOR_DOCKER_TAG="${ref_name//$'\/'/_-}"
+          DOCKER_IMAGE=$(echo "${{ env.ECR_URL }}:${{ github.ref_type }}.$REF_NAME_FOR_DOCKER_TAG" | sed -r 's/${{ env.PRIMARY_AWS_REGION }}/${{ inputs.region }}/g')
 
           LAMBDA_NAME=$(basename "./${{ matrix.lambda_path == 'account-scoped' && 'acctscpe' || matrix.lambda_path }}")
           SHORT_LAMBDA_NAME=${{ matrix.lambda_path== 'account-scoped' }}