diff --git a/.github/workflows/sync.yaml b/.github/workflows/sync.yaml
index 9e5d5a0..c5844c6 100644
--- a/.github/workflows/sync.yaml
+++ b/.github/workflows/sync.yaml
@@ -126,256 +126,12 @@ jobs:
               -R "${{ matrix.repo.name }}"
           fi
 
-      - name: Update template files in target repository
+      - name: Run synchronization script
         env:
           GH_TOKEN: ${{ steps.generate_token.outputs.token }}
-        run: |
-          git config --global user.name "github-actions[bot]"
-          git config --global user.email "github-actions[bot]@users.noreply.github.com"
-
-          repo_name="${{ matrix.repo.name }}"
-          files='${{ toJson(matrix.repo.files) }}'
-
-          echo "Processing repository: $repo_name"
-            
-          # Clone the target repository
-          echo "Cloning repository $repo_name..."
-          git clone --depth 1 "https://x-access-token:${GH_TOKEN}@github.com/${repo_name}.git" target-repo
-          cd target-repo
-
-          # Create or switch to the branch
-          branch_name="update-template-files"
-          echo "Creating branch $branch_name..."
-          git checkout -b "$branch_name" || git checkout "$branch_name"
-
-          declare -a modified_package_jsons=()
-
-          # Sync specified template files
-          for file_config in $(echo "$files" | jq -c '.[]'); do
-            src_file_raw=$(echo "$file_config" | jq -r '.path')
-            dest_file=$(echo "$file_config" | jq -r '.targetPath')
-            special=$(echo "$file_config" | jq -r '.special // empty')
-            
-            echo "Processing file: $src_file_raw -> $dest_file"  
-
-            # Detect if src_file is a URL or relative path
-            if [[ "$src_file_raw" =~ ^https?:// ]]; then
-              echo "$src_file is a URL. Downloading it..."
-              temp_file=$(mktemp)
-              if ! curl -sSL "$src_file_raw" -o "$temp_file"; then
-                echo "Error: Failed to download $src_file. Skipping..."
-                continue
-              fi
-              src_file="$temp_file"
-            else
-              echo "$src_file_raw is a relative path. Prefixing with '../'."
-              src_file="../$src_file_raw"
-
-              # Check if the file exists (only for local files)
-              if [ ! -f "$src_file" ]; then
-                echo "Warning: File $src_file not found in /template-files."
-                continue
-              fi
-            fi
-
-            if [ "$special" == "README.md" ]; then
-              echo "Special handling for README.md"
-
-              # Combine existing README.md with the License section
-              if [ -f "$dest_file" ]; then
-                # Create a temporary file to store the combined content
-                echo "Combining existing README.md with the License section..."
-                awk '/## License/,EOF' "$src_file" | tail -n +2 > license_content.md
-                markdown-replace-section "$dest_file" "License" "$dest_file" < license_content.md
-                rm -f license_content.md
-              else
-                # If no existing README.md, copy the template and add the License section
-                echo "No existing README.md found. Creating a new one..."
-                cp "$src_file" "$dest_file"
-              fi
-            elif [ "$special" == "package.json" ]; then
-              echo "Special handling for package.json"
-
-              # Prepare the destination directory
-              mkdir -p "$(dirname "$dest_file")"
-
-              # Handle dynamic content replacement if "props" is specified
-              props=$(echo "$file_config" | jq -c '.props // empty')
-              if [ -n "$props" ]; then
-                echo "Applying dynamic replacements for $src_file..."
-                temp_file=$(mktemp)
-                cp "$src_file" "$temp_file"
-
-                # Replace placeholders with their respective values from props
-                for key in $(echo "$props" | jq -r 'keys[]'); do
-                  value=$(echo "$props" | jq -r --arg key "$key" '.[$key]')
-                  placeholder="<%= $key %>"
-                  echo "Replacing $placeholder with $value in $src_file..."
-                  sed -i "s|$placeholder|$value|g" "$temp_file"
-                done
-
-                temp_file_2=$(mktemp)
-                jq -s 'reduce .[] as $item ({}; . * $item)' "$dest_file" "$temp_file" > "$temp_file_2"
-
-                # Move the processed file to the target location
-                mv "$temp_file_2" "$dest_file"
-                rm -f "$temp_file"
-              else
-                if [ -f "$dest_file" ]; then
-                  # If the destination file exists, merge it with the source file
-                  echo "Destination file $dest_file exists. Merging $src_file into $dest_file..."
-                  temp_file=$(mktemp)
-                  jq -s 'reduce .[] as $item ({}; . * $item)' "$dest_file" "$src_file" > "$temp_file"
-                  mv "$temp_file" "$dest_file"
-                else
-                  # If the destination file does not exist, just copy the source file
-                  echo "Destination file $dest_file does not exist. Copying $src_file to $dest_file..."
-                  cp "$src_file" "$dest_file"
-                fi
-              fi
-
-              modified_package_jsons+=("$dest_file")
-            elif [ "$special" == "manifest/deployment.yaml" ]; then
-              echo "Special handling for manifest/deployment.yaml"
-
-              # Prepare the destination directory
-              mkdir -p "$(dirname "$dest_file")"
-
-              # Resolve placeholders in the source file using props
-              props=$(echo "$file_config" | jq -c '.props // empty')
-              temp_file=$(mktemp)
-              cp "$src_file" "$temp_file"
-
-              if [ -n "$props" ]; then
-                for key in $(echo "$props" | jq -r 'keys[]'); do
-                  value=$(echo "$props" | jq -r --arg key "$key" '.[$key]')
-                  placeholder="<%= $key %>"
-                  echo "Replacing $placeholder with $value in $src_file..."
-                  sed -i "s|$placeholder|$value|g" "$temp_file"
-                done
-              fi
-
-              # Check if the destination file exists
-              if [ -f "$dest_file" ]; then
-                # Exclude the image line from comparison
-                echo "Comparing $dest_file with $temp_file..."
-                if ! diff -q <(grep -v 'image:' "$temp_file") <(grep -v 'image:' "$dest_file") > /dev/null; then
-                  echo "Significant changes detected. Updating $dest_file..."
-                else
-                  echo "No significant changes detected in $dest_file. Skipping update."
-                  rm -f "$temp_file"
-                  continue
-                fi
-              else
-                echo "Destination file $dest_file does not exist. Creating it..."
-              fi
-
-              # Move the processed file to the target location
-              mv "$temp_file" "$dest_file"
-            else
-              # Prepare the destination directory
-              mkdir -p "$(dirname "$dest_file")"
-
-              # Handle dynamic content replacement if "props" is specified
-              props=$(echo "$file_config" | jq -c '.props // empty')
-              if [ -n "$props" ]; then
-                echo "Applying dynamic replacements for $src_file..."
-                temp_file=$(mktemp)
-                cp "$src_file" "$temp_file"
-
-                # Replace placeholders with their respective values from props
-                for key in $(echo "$props" | jq -r 'keys[]'); do
-                  value=$(echo "$props" | jq -r --arg key "$key" '.[$key]')
-                  placeholder="<%= $key %>"
-                  echo "Replacing $placeholder with $value in $src_file..."
-                  sed -i "s|$placeholder|$value|g" "$temp_file"
-                done
-
-                # Move the processed file to the target location
-                mv "$temp_file" "$dest_file"
-              else
-                # If no props, copy the file directly
-                cp "$src_file" "$dest_file"
-              fi
-            fi
-
-            if [[ "$src_file_raw" =~ ^https?:// ]]; then
-              echo "Cleaning up temporary file..."
-              rm -f "$src_file"
-            fi
-          done
-
-          if [ ${#modified_package_jsons[@]} -gt 0 ]; then
-            echo "Sorting modified package.json files..."
-            for package_json in "${modified_package_jsons[@]}"; do
-              echo "Sorting $package_json"
-              sort-package-json "$package_json"
-            done
-          fi
-
-          # Commit and push changes if any
-          echo "Checking for changes..."
-          git add .
-
-          # Count the number of staged files
-          changed_count=$(git diff --cached --name-only | wc -l)
-          echo "Number of changed files: $changed_count"
-
-          # Save the count to a GitHub environment variable for later steps
-          echo "CHANGED_FILES=$changed_count" >> $GITHUB_ENV
-
-          if git diff --cached --quiet; then
-            echo "No changes detected for $repo_name."
-
-            echo "Checking for an open PR for branch $branch_name..."
-            existing_pr=$(gh pr list --base main --head "$branch_name" --json number --jq '.[0].number')
-
-            if [ -n "$existing_pr" ]; then
-              echo "Found existing PR #$existing_pr. Closing it..."
-              gh pr comment "$existing_pr" -b "The branch has been updated. No changes detected for $repo_name."
-              gh pr close "$existing_pr"
-            fi
-          else
-            echo "Committing and pushing changes for $repo_name..."
-            git commit -m "Update GitHub template files"
-            git push --force origin "$branch_name"
-
-            cd ..
-            
-            latest_commit_hash=$(git rev-parse HEAD)
-            latest_commit_url="https://github.com/$GITHUB_REPOSITORY/commit/$latest_commit_hash"
-            latest_commit_message=$(git log -1 --pretty=%s)
-            modified_message=$(echo "$latest_commit_message" | sed -E "s/\#([0-9]+)/trueberryless-org\/template-files\#\1/g")
-            latest_commit_entry="- $modified_message - ([$(git rev-parse --short HEAD)]($latest_commit_url))"
-
-            cd target-repo
-
-            # Check for existing pull request
-            echo "Checking for an open PR for branch $branch_name..."
-            existing_pr=$(gh pr list --base main --head "$branch_name" --json number --jq '.[0].number')
-
-            if [ -n "$existing_pr" ]; then
-              echo "Found existing PR #$existing_pr. Updating it..."
-              current_body=$(gh pr view "$existing_pr" --json body --jq '.body')
-              updated_body=$(printf "%s\n%s" "$current_body" "$latest_commit_entry")
-              gh pr edit "$existing_pr" --body "$updated_body"
-              gh pr comment "$existing_pr" --body "The branch has been updated with the [latest changes]($latest_commit_url)."
-            else
-              echo "No existing PR found. Creating a new one..."
-              description=$(printf "%s\n\n%s\n%s" "This PR syncs the specified GitHub template files from the [central repository](https://github.com/trueberryless-org/template-files)." "### Changes:" "$latest_commit_entry")
-              gh pr create \
-                --base main \
-                --head "$branch_name" \
-                --title "[ci] sync template files" \
-                --body "$description" \
-                --label "🤖 bot"
-            fi
-          fi
-
-          # Cleanup
-          cd ..
-          echo "Cleaning up repository clone for $repo_name..."
-          rm -rf target-repo
+          REPO_NAME: ${{ matrix.repo.name }}
+          FILES: ${{ toJson(matrix.repo.files) }}
+        run: ./sync_templates.sh
 
       - name: Append summary for repository
         if: success()
diff --git a/sync_templates.sh b/sync_templates.sh
new file mode 100644
index 0000000..d8d0ead
--- /dev/null
+++ b/sync_templates.sh
@@ -0,0 +1,252 @@
+#!/bin/bash
+
+set -e
+
+# Ensure required environment variables are set
+: "${GH_TOKEN:?Environment variable GH_TOKEN is required}"
+: "${REPO_NAME:?Environment variable REPO_NAME is required}"
+: "${FILES:?Environment variable FILES is required}"
+
+git config --global user.name "github-actions[bot]"
+git config --global user.email "github-actions[bot]@users.noreply.github.com"
+
+echo "Processing repository: $REPO_NAME"
+  
+# Clone the target repository
+echo "Cloning repository $REPO_NAME..."
+git clone --depth 1 "https://x-access-token:${GH_TOKEN}@github.com/${REPO_NAME}.git" target-repo
+cd target-repo
+
+# Create or switch to the branch
+branch_name="update-template-files"
+echo "Creating branch $branch_name..."
+git checkout -b "$branch_name" || git checkout "$branch_name"
+
+declare -a modified_package_jsons=()
+
+# Sync specified template files
+for file_config in $(echo "$FILES" | jq -c '.[]'); do
+  src_file_raw=$(echo "$file_config" | jq -r '.path')
+  dest_file=$(echo "$file_config" | jq -r '.targetPath')
+  special=$(echo "$file_config" | jq -r '.special // empty')
+  
+  echo "Processing file: $src_file_raw -> $dest_file"  
+
+  # Detect if src_file is a URL or relative path
+  if [[ "$src_file_raw" =~ ^https?:// ]]; then
+    echo "$src_file is a URL. Downloading it..."
+    temp_file=$(mktemp)
+    if ! curl -sSL "$src_file_raw" -o "$temp_file"; then
+      echo "Error: Failed to download $src_file. Skipping..."
+      continue
+    fi
+    src_file="$temp_file"
+  else
+    echo "$src_file_raw is a relative path. Prefixing with '../'."
+    src_file="../$src_file_raw"
+
+    # Check if the file exists (only for local files)
+    if [ ! -f "$src_file" ]; then
+      echo "Warning: File $src_file not found in /template-files."
+      continue
+    fi
+  fi
+
+  if [ "$special" == "README.md" ]; then
+    echo "Special handling for README.md"
+
+    # Combine existing README.md with the License section
+    if [ -f "$dest_file" ]; then
+      # Create a temporary file to store the combined content
+      echo "Combining existing README.md with the License section..."
+      awk '/## License/,EOF' "$src_file" | tail -n +2 > license_content.md
+      markdown-replace-section "$dest_file" "License" "$dest_file" < license_content.md
+      rm -f license_content.md
+    else
+      # If no existing README.md, copy the template and add the License section
+      echo "No existing README.md found. Creating a new one..."
+      cp "$src_file" "$dest_file"
+    fi
+  elif [ "$special" == "package.json" ]; then
+    echo "Special handling for package.json"
+
+    # Prepare the destination directory
+    mkdir -p "$(dirname "$dest_file")"
+
+    # Handle dynamic content replacement if "props" is specified
+    props=$(echo "$file_config" | jq -c '.props // empty')
+    if [ -n "$props" ]; then
+      echo "Applying dynamic replacements for $src_file..."
+      temp_file=$(mktemp)
+      cp "$src_file" "$temp_file"
+
+      # Replace placeholders with their respective values from props
+      for key in $(echo "$props" | jq -r 'keys[]'); do
+        value=$(echo "$props" | jq -r --arg key "$key" '.[$key]')
+        placeholder="<%= $key %>"
+        echo "Replacing $placeholder with $value in $src_file..."
+        sed -i "s|$placeholder|$value|g" "$temp_file"
+      done
+
+      temp_file_2=$(mktemp)
+      jq -s 'reduce .[] as $item ({}; . * $item)' "$dest_file" "$temp_file" > "$temp_file_2"
+
+      # Move the processed file to the target location
+      mv "$temp_file_2" "$dest_file"
+      rm -f "$temp_file"
+    else
+      if [ -f "$dest_file" ]; then
+        # If the destination file exists, merge it with the source file
+        echo "Destination file $dest_file exists. Merging $src_file into $dest_file..."
+        temp_file=$(mktemp)
+        jq -s 'reduce .[] as $item ({}; . * $item)' "$dest_file" "$src_file" > "$temp_file"
+        mv "$temp_file" "$dest_file"
+      else
+        # If the destination file does not exist, just copy the source file
+        echo "Destination file $dest_file does not exist. Copying $src_file to $dest_file..."
+        cp "$src_file" "$dest_file"
+      fi
+    fi
+
+    modified_package_jsons+=("$dest_file")
+  elif [ "$special" == "manifest/deployment.yaml" ]; then
+    echo "Special handling for manifest/deployment.yaml"
+
+    # Prepare the destination directory
+    mkdir -p "$(dirname "$dest_file")"
+
+    # Resolve placeholders in the source file using props
+    props=$(echo "$file_config" | jq -c '.props // empty')
+    temp_file=$(mktemp)
+    cp "$src_file" "$temp_file"
+
+    if [ -n "$props" ]; then
+      for key in $(echo "$props" | jq -r 'keys[]'); do
+        value=$(echo "$props" | jq -r --arg key "$key" '.[$key]')
+        placeholder="<%= $key %>"
+        echo "Replacing $placeholder with $value in $src_file..."
+        sed -i "s|$placeholder|$value|g" "$temp_file"
+      done
+    fi
+
+    # Check if the destination file exists
+    if [ -f "$dest_file" ]; then
+      # Exclude the image line from comparison
+      echo "Comparing $dest_file with $temp_file..."
+      if ! diff -q <(grep -v 'image:' "$temp_file") <(grep -v 'image:' "$dest_file") > /dev/null; then
+        echo "Significant changes detected. Updating $dest_file..."
+      else
+        echo "No significant changes detected in $dest_file. Skipping update."
+        rm -f "$temp_file"
+        continue
+      fi
+    else
+      echo "Destination file $dest_file does not exist. Creating it..."
+    fi
+
+    # Move the processed file to the target location
+    mv "$temp_file" "$dest_file"
+  else
+    # Prepare the destination directory
+    mkdir -p "$(dirname "$dest_file")"
+
+    # Handle dynamic content replacement if "props" is specified
+    props=$(echo "$file_config" | jq -c '.props // empty')
+    if [ -n "$props" ]; then
+      echo "Applying dynamic replacements for $src_file..."
+      temp_file=$(mktemp)
+      cp "$src_file" "$temp_file"
+
+      # Replace placeholders with their respective values from props
+      for key in $(echo "$props" | jq -r 'keys[]'); do
+        value=$(echo "$props" | jq -r --arg key "$key" '.[$key]')
+        placeholder="<%= $key %>"
+        echo "Replacing $placeholder with $value in $src_file..."
+        sed -i "s|$placeholder|$value|g" "$temp_file"
+      done
+
+      # Move the processed file to the target location
+      mv "$temp_file" "$dest_file"
+    else
+      # If no props, copy the file directly
+      cp "$src_file" "$dest_file"
+    fi
+  fi
+
+  if [[ "$src_file_raw" =~ ^https?:// ]]; then
+    echo "Cleaning up temporary file..."
+    rm -f "$src_file"
+  fi
+done
+
+if [ ${#modified_package_jsons[@]} -gt 0 ]; then
+  echo "Sorting modified package.json files..."
+  for package_json in "${modified_package_jsons[@]}"; do
+    echo "Sorting $package_json"
+    sort-package-json "$package_json"
+  done
+fi
+
+# Commit and push changes if any
+echo "Checking for changes..."
+git add .
+
+# Count the number of staged files
+changed_count=$(git diff --cached --name-only | wc -l)
+echo "Number of changed files: $changed_count"
+
+# Save the count to a GitHub environment variable for later steps
+echo "CHANGED_FILES=$changed_count" >> $GITHUB_ENV
+
+if git diff --cached --quiet; then
+  echo "No changes detected for $REPO_NAME."
+
+  echo "Checking for an open PR for branch $branch_name..."
+  existing_pr=$(gh pr list --base main --head "$branch_name" --json number --jq '.[0].number')
+
+  if [ -n "$existing_pr" ]; then
+    echo "Found existing PR #$existing_pr. Closing it..."
+    gh pr comment "$existing_pr" -b "The branch has been updated. No changes detected for $REPO_NAME."
+    gh pr close "$existing_pr"
+  fi
+else
+  echo "Committing and pushing changes for $REPO_NAME..."
+  git commit -m "Update GitHub template files"
+  git push --force origin "$branch_name"
+
+  cd ..
+  
+  latest_commit_hash=$(git rev-parse HEAD)
+  latest_commit_url="https://github.com/$GITHUB_REPOSITORY/commit/$latest_commit_hash"
+  latest_commit_message=$(git log -1 --pretty=%s)
+  modified_message=$(echo "$latest_commit_message" | sed -E "s/\#([0-9]+)/trueberryless-org\/template-files\#\1/g")
+  latest_commit_entry="- $modified_message - ([$(git rev-parse --short HEAD)]($latest_commit_url))"
+
+  cd target-repo
+
+  # Check for existing pull request
+  echo "Checking for an open PR for branch $branch_name..."
+  existing_pr=$(gh pr list --base main --head "$branch_name" --json number --jq '.[0].number')
+
+  if [ -n "$existing_pr" ]; then
+    echo "Found existing PR #$existing_pr. Updating it..."
+    current_body=$(gh pr view "$existing_pr" --json body --jq '.body')
+    updated_body=$(printf "%s\n%s" "$current_body" "$latest_commit_entry")
+    gh pr edit "$existing_pr" --body "$updated_body"
+    gh pr comment "$existing_pr" --body "The branch has been updated with the [latest changes]($latest_commit_url)."
+  else
+    echo "No existing PR found. Creating a new one..."
+    description=$(printf "%s\n\n%s\n%s" "This PR syncs the specified GitHub template files from the [central repository](https://github.com/trueberryless-org/template-files)." "### Changes:" "$latest_commit_entry")
+    gh pr create \
+      --base main \
+      --head "$branch_name" \
+      --title "[ci] sync template files" \
+      --body "$description" \
+      --label "🤖 bot"
+  fi
+fi
+
+# Cleanup
+cd ..
+echo "Cleaning up repository clone for $REPO_NAME..."
+rm -rf target-repo