diff --git a/.github/scripts/check_ecr_image_scan_results.sh b/.github/scripts/check_ecr_image_scan_results.sh
index 1b13306..ecb900a 100755
--- a/.github/scripts/check_ecr_image_scan_results.sh
+++ b/.github/scripts/check_ecr_image_scan_results.sh
@@ -1,4 +1,5 @@
-#!/bin/bash
+#!/usr/bin/env bash
+set -e
 
 if [ -z "${REPOSITORY_NAME}" ]; then
   echo "REPOSITORY_NAME not set"
@@ -17,12 +18,14 @@ function wait_for_scan() {
     echo "SCAN IS NOT YET COMPLETE..."
     sleep 3
   done
+  echo "Final sleep to ensure findings are shown correctly"
+  sleep 60
 }
 
 function check_for_high_critical_vuln() {
   scan_results=$(aws ecr describe-image-scan-findings --repository-name "${REPOSITORY_NAME}" --image-id imageTag="${IMAGE_TAG}")
-  high=$(echo "$scan_results" | jq .imageScanFindings.findingSeverityCounts.HIGH)
-  critical=$(echo "$scan_results" | jq .imageScanFindings.findingSeverityCounts.CRITICAL)
+  high=$(echo "$scan_results" | jq '.imageScanFindings.enhancedFindings[]? | select(.severity == "HIGH" and .status != "SUPPRESSED")')
+  critical=$(echo "$scan_results" | jq '.imageScanFindings.enhancedFindings[]? | select(.severity == "CRITICAL" and .status != "SUPPRESSED")')
 }
 
 function return_scan_results() {
@@ -35,7 +38,7 @@ function return_error() {
     echo -e "\n**********************************************************"
     echo "**********************************************************"
     echo "**********************************************************"
-    echo "ERROR: There are CRITICAL/HIGH vulnerabilties. Stopping build."
+    echo "ERROR: There are CRITICAL/HIGH vulnerabilities. Stopping build."
     echo "**********************************************************"
     echo "**********************************************************"
     echo "**********************************************************"
@@ -43,12 +46,23 @@ function return_error() {
 }
 
 function analyze_scan_results() {
-  if [[ $critical -gt 0 ]]; then
-    echo "ERROR: There are CRITICAL vulnerabilties. Stopping build."
+  if [[ -n "$critical" ]]; then
+    echo "ERROR: There are CRITICAL vulnerabilities. Stopping build."
+
+    echo "=== BEGIN CRITICAL IMAGE SCAN RESULTS ==="
+    echo "$critical"
+    echo "=== END CRITICAL IMAGE SCAN RESULTS ==="
+
     return_scan_results
+
     return_error
-  elif [[ $high -gt 0 ]]; then
-    echo "ERROR: There are HIGH vulnerabilties. Stopping build."
+  elif [[ -n "$high" ]]; then
+    echo "ERROR: There are HIGH vulnerabilities. Stopping build."
+
+    echo "=== BEGIN HIGH IMAGE SCAN RESULTS ==="
+    echo "$high"
+    echo "=== END HIGH IMAGE SCAN RESULTS ==="
+
     return_scan_results
     return_error
   else
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 20b80bf..3ce7bdc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -136,6 +136,7 @@ jobs:
       VERSION_NUMBER: ${{needs.tag_release.outputs.version_tag}}
       COMMIT_ID: ${{ needs.get_commit_id.outputs.commit_id }}
       TAG_LATEST: true
+      DOCKER_IMAGE_TAG: ${{needs.tag_release.outputs.version_tag}}
     secrets:
       CDK_PUSH_IMAGE_ROLE: ${{ secrets.DEV_CDK_PUSH_IMAGE_ROLE }}
 
@@ -153,6 +154,7 @@ jobs:
         VERSION_NUMBER: ${{needs.tag_release.outputs.version_tag}}
         COMMIT_ID: ${{ needs.get_commit_id.outputs.commit_id }}
         TAG_LATEST: true
+        DOCKER_IMAGE_TAG: ${{needs.tag_release.outputs.version_tag}}
     secrets:
         CDK_PUSH_IMAGE_ROLE: ${{ secrets.QA_CDK_PUSH_IMAGE_ROLE }}
   
@@ -170,6 +172,7 @@ jobs:
         VERSION_NUMBER: ${{needs.tag_release.outputs.version_tag}}
         COMMIT_ID: ${{ needs.get_commit_id.outputs.commit_id }}
         TAG_LATEST: true
+        DOCKER_IMAGE_TAG: ${{needs.tag_release.outputs.version_tag}}
     secrets:
         CDK_PUSH_IMAGE_ROLE: ${{ secrets.REF_CDK_PUSH_IMAGE_ROLE }}
   
@@ -187,6 +190,7 @@ jobs:
         VERSION_NUMBER: ${{needs.tag_release.outputs.version_tag}}
         COMMIT_ID: ${{ needs.get_commit_id.outputs.commit_id }}
         TAG_LATEST: true
+        DOCKER_IMAGE_TAG: ${{needs.tag_release.outputs.version_tag}}
     secrets:
         CDK_PUSH_IMAGE_ROLE: ${{ secrets.INT_CDK_PUSH_IMAGE_ROLE }}
   
@@ -204,5 +208,6 @@ jobs:
         VERSION_NUMBER: ${{needs.tag_release.outputs.version_tag}}
         COMMIT_ID: ${{ needs.get_commit_id.outputs.commit_id }}
         TAG_LATEST: true
+        DOCKER_IMAGE_TAG: ${{needs.tag_release.outputs.version_tag}}
     secrets:
         CDK_PUSH_IMAGE_ROLE: ${{ secrets.PROD_CDK_PUSH_IMAGE_ROLE }}
diff --git a/.github/workflows/docker_image_upload.yml b/.github/workflows/docker_image_upload.yml
index 1b97fb3..40d687b 100644
--- a/.github/workflows/docker_image_upload.yml
+++ b/.github/workflows/docker_image_upload.yml
@@ -15,6 +15,9 @@ on:
       TAG_LATEST:
         required: true
         type: boolean
+      DOCKER_IMAGE_TAG:
+        required: true
+        type: string
     secrets:
       CDK_PUSH_IMAGE_ROLE:
         required: true
@@ -65,8 +68,8 @@ jobs:
 
       - name: Push tagged version cdk-utils-build to Amazon ECR
         run: |
-          docker tag "cdk-utils-build:${{ inputs.VERSION_NUMBER }}" "${{ env.ACCOUNT_ID }}.dkr.ecr.eu-west-2.amazonaws.com/cdk-utils-build-repo:${{ inputs.VERSION_NUMBER }}"
-          docker push "${{ env.ACCOUNT_ID }}.dkr.ecr.eu-west-2.amazonaws.com/cdk-utils-build-repo:${{ inputs.VERSION_NUMBER }}"
+          docker tag "cdk-utils-build:${{ inputs.VERSION_NUMBER }}" "${{ env.ACCOUNT_ID }}.dkr.ecr.eu-west-2.amazonaws.com/cdk-utils-build-repo:${{ inputs.DOCKER_IMAGE_TAG }}"
+          docker push "${{ env.ACCOUNT_ID }}.dkr.ecr.eu-west-2.amazonaws.com/cdk-utils-build-repo:${{ inputs.DOCKER_IMAGE_TAG }}"
 
       - name: Push latest cdk-utils-build to Amazon ECR
         if: ${{ inputs.TAG_LATEST == true }}
@@ -77,7 +80,7 @@ jobs:
       - name: Check cdk-utils-build scan results
         env:
           REPOSITORY_NAME: cdk-utils-build-repo
-          IMAGE_TAG: ${{ inputs.VERSION_NUMBER }}
+          IMAGE_TAG: ${{ inputs.DOCKER_IMAGE_TAG }}
         working-directory: .github/scripts
         run: |
           ./check_ecr_image_scan_results.sh
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 611ceae..93097c4 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -46,11 +46,18 @@ jobs:
     runs-on: ubuntu-22.04
     outputs:
       commit_id: ${{ steps.commit_id.outputs.commit_id }}
+      sha_short: ${{ steps.commit_id.outputs.sha_short }}
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ env.BRANCH_NAME }}
+
       - name: Get Commit ID
         id: commit_id
         run: |
           echo "commit_id=${{ github.sha }}" >> "$GITHUB_OUTPUT"
+          echo "sha_short=$(git rev-parse --short HEAD)" >> "$GITHUB_OUTPUT"
 
   package_code:
     needs: [get_issue_number, quality_checks, get_commit_id]
@@ -67,5 +74,6 @@ jobs:
       VERSION_NUMBER: PR-${{ needs.get_issue_number.outputs.issue_number }}
       COMMIT_ID: ${{ needs.get_commit_id.outputs.commit_id }}
       TAG_LATEST: false
+      DOCKER_IMAGE_TAG: PR-${{ needs.get_issue_number.outputs.issue_number }}-${{ needs.get_commit_id.outputs.sha_short }}
     secrets:
       CDK_PUSH_IMAGE_ROLE: ${{ secrets.DEV_CDK_PUSH_IMAGE_ROLE }}
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 704efcd..0588836 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -42,4 +42,4 @@ repos:
         pass_filenames: false
 
 fail_fast: true
-default_stages: [commit]
+default_stages: [pre-commit]
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 18318da..226cfb2 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -32,11 +32,13 @@ ENV PATH="$PATH:/home/cdkuser/.asdf/bin/:/home/cdkuser/node_modules/.bin"
 # Install ASDF plugins
 RUN asdf plugin add nodejs https://github.com/asdf-vm/asdf-nodejs.git
 # install some common node versions that are used in builds to speed things up
-RUN asdf install nodejs 20.19.1
-RUN asdf install nodejs 23.9.0
-RUN asdf install nodejs 20.17.0
-RUN asdf install nodejs 20.19.0
-RUN asdf install nodejs 22.12.0
+RUN asdf install nodejs 20.19.1; \
+    asdf install nodejs 23.9.0
+# update npm
+RUN export ASDF_DIR=/home/cdkuser/.asdf && \
+    . /home/cdkuser/.asdf/asdf.sh && \
+    asdf shell nodejs 20.19.1 && \
+    cd ~/.asdf/installs/nodejs/20.19.1/lib && npm update npm
 
 # copy files needed for deployment
 COPY --chown=cdkuser docker/entrypoint.sh /home/cdkuser/
diff --git a/pyproject.toml b/pyproject.toml
index 5e97d99..a847a18 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,6 +11,7 @@ authors = [
 ]
 readme = "README.md"
 repository = "https://github.com/NHSDigital/eps-cdk-util"
+package-mode = false
 
 [tool.poetry.dependencies]
 python = "^3.12"
@@ -23,4 +24,4 @@ pip-licenses = "^5.0.0"
 
 [build-system]
 requires = ["poetry>=1.8"]
-build-backend = "poetry.masonry.api"
\ No newline at end of file
+build-backend = "poetry.masonry.api"