diff --git a/.gitea/workflows/update-images.yaml b/.gitea/workflows/update-images.yaml
index 7e6a619..9720f62 100644
--- a/.gitea/workflows/update-images.yaml
+++ b/.gitea/workflows/update-images.yaml
@@ -1,193 +1,318 @@
-name: Update Docker Image Tags and Release Helm Chart
-
+name: Update Docker Images and Helm Chart
 on:
+  push:
+    branches:
+      - main
   schedule:
-    - cron: '0 2 * * 1'
-  workflow_dispatch:
+    - cron: "0 0 * * 0"  # 毎週日曜日 00:00 UTC
+  workflow_dispatch:  # 手動実行も可能にする
 
 jobs:
-  update-and-release:
+  update:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write  # Git pushに必要な権限を明示的に付与
     steps:
-      - name: Checkout
-        uses: actions/checkout@v3
+      - name: Checkout repository
+        uses: actions/checkout@v4
         with:
-          fetch-depth: 0
+          fetch-depth: 0  # 完全な履歴を取得
+          token: ${{ secrets.GITEA_TOKEN || github.token }}  # トークンを明示的に指定
 
-      - name: Install Helm
-        uses: azure/setup-helm@v3
-        with:
-          version: 'v3.12.0'
-
-      - name: Check for new nginx version
-        id: nginx
+      - name: Set up Git
         run: |
-          set -e
-          echo "Checking nginx versions..."
-          CURRENT=$(grep -A3 "nginx:" values.yaml | grep "tag:" | head -1 | sed 's/.*tag: *"\([^"]*\)".*/\1/' | tr -d ' ')
-          echo "Current nginx: $CURRENT"
-          LATEST=$(curl -s "https://registry.hub.docker.com/v2/repositories/library/nginx/tags?page_size=100&name=alpine-perl" | jq -r '.results[].name' | grep -E '^[0-9]+\.[0-9]+\.[0-9]+-alpine-perl$' | sort -V | tail -1)
-          if [ -z "$LATEST" ]; then
-            echo "Warning: Could not fetch latest nginx version, using current"
-            LATEST="$CURRENT"
-          fi
-          echo "Latest nginx: $LATEST"
-          echo "current=$CURRENT" >> $GITHUB_OUTPUT
-          echo "latest=$LATEST" >> $GITHUB_OUTPUT
+          git config user.name "Gitea Actions"
+          git config user.email "actions@git.cafepieters.com"
 
-      - name: Check for new WordPress version
+      - name: Fetch latest WordPress FPM Alpine version
         id: wordpress
         run: |
-          set -e
-          echo "Checking WordPress versions..."
-          CURRENT=$(grep -A3 "wordpress:" values.yaml | grep "tag:" | head -1 | sed 's/.*tag: *"\([^"]*\)".*/\1/' | tr -d ' ')
-          echo "Current WordPress: $CURRENT"
-          LATEST=$(curl -s "https://registry.hub.docker.com/v2/repositories/library/wordpress/tags?page_size=100&name=fpm-alpine" | jq -r '.results[].name' | grep -E '^[0-9]+\.[0-9]+\.[0-9]+-php[0-9]+\.[0-9]+-fpm-alpine$' | sort -V | tail -1)
-          if [ -z "$LATEST" ]; then
-            echo "Warning: Could not fetch latest WordPress version, using current"
-            LATEST="$CURRENT"
+          # Docker Hubから最新のWordPress FPM Alpineバージョンを取得（PHPバージョンも最新）
+          echo "Fetching WordPress FPM Alpine versions..."
+          
+          # fpm-alpineタグを取得（全PHPバージョン対象）
+          LATEST_VERSION=$(curl -s "https://hub.docker.com/v2/repositories/library/wordpress/tags?page_size=100&name=fpm-alpine" | \
+            jq -r '.results[].name' | \
+            grep -E '^[0-9]+\.[0-9]+(\.[0-9]+)?-php[0-9]+\.[0-9]+-fpm-alpine$' | \
+            grep -v 'rc' | \
+            grep -v 'beta' | \
+            grep -v 'alpha' | \
+            sort -t- -k1,1V -k2,2V | \
+            tail -n 1)
+          
+          if [ -z "$LATEST_VERSION" ]; then
+            echo "Failed to fetch from first method, trying alternative..."
+            # 代替方法: すべてのfpm-alpineタグを取得
+            LATEST_VERSION=$(curl -s "https://hub.docker.com/v2/repositories/library/wordpress/tags?page_size=100" | \
+              jq -r '.results[].name' | \
+              grep -E '^[0-9]+\.[0-9]+\.[0-9]+-php[0-9]+\.[0-9]+-fpm-alpine$' | \
+              grep -v 'rc' | \
+              grep -v 'beta' | \
+              grep -v 'alpha' | \
+              sort -t- -k1,1V -k2,2V | \
+              tail -n 1)
           fi
-          WP_VERSION=$(echo "$LATEST" | grep -oE '^[0-9]+\.[0-9]+\.[0-9]+')
-          if [ -z "$WP_VERSION" ]; then
-            echo "Error: Could not extract WordPress version"
+          
+          if [ -z "$LATEST_VERSION" ]; then
+            echo "ERROR: Failed to fetch WordPress version"
             exit 1
           fi
-          echo "Latest WordPress: $LATEST"
-          echo "WordPress version: $WP_VERSION"
-          echo "current=$CURRENT" >> $GITHUB_OUTPUT
-          echo "latest=$LATEST" >> $GITHUB_OUTPUT
-          echo "wp_version=$WP_VERSION" >> $GITHUB_OUTPUT
+          
+          echo "WordPress latest version: $LATEST_VERSION"
+          
+          # バージョン情報を分解して表示
+          WP_VERSION=$(echo $LATEST_VERSION | cut -d'-' -f1)
+          PHP_VERSION=$(echo $LATEST_VERSION | cut -d'-' -f2)
+          echo "  WordPress: $WP_VERSION"
+          echo "  PHP: $PHP_VERSION"
+          echo "  Base: fpm-alpine"
+          
+          echo "version=$LATEST_VERSION" >> $GITHUB_OUTPUT
 
-      - name: Determine if update is needed
-        id: check_update
+      - name: Fetch latest Nginx Alpine Perl version
+        id: nginx
         run: |
-          set -e
-          NGINX_CURRENT="${{ steps.nginx.outputs.current }}"
-          NGINX_LATEST="${{ steps.nginx.outputs.latest }}"
-          WP_CURRENT="${{ steps.wordpress.outputs.current }}"
-          WP_LATEST="${{ steps.wordpress.outputs.latest }}"
-          echo "Nginx: $NGINX_CURRENT vs $NGINX_LATEST"
-          echo "WordPress: $WP_CURRENT vs $WP_LATEST"
-          if [ "$NGINX_CURRENT" != "$NGINX_LATEST" ] || [ "$WP_CURRENT" != "$WP_LATEST" ]; then
-            echo "update_needed=true" >> $GITHUB_OUTPUT
-            echo "Update is needed"
-          else
-            echo "update_needed=false" >> $GITHUB_OUTPUT
-            echo "Already up to date"
+          # Docker Hubから最新のNginx Alpine Perlバージョンを取得
+          echo "Fetching Nginx Alpine Perl versions..."
+          
+          LATEST_VERSION=$(curl -s "https://hub.docker.com/v2/repositories/library/nginx/tags?page_size=100&name=alpine-perl" | \
+            jq -r '.results[].name' | \
+            grep -E '^[0-9]+\.[0-9]+\.[0-9]+-alpine-perl$' | \
+            grep -v 'rc' | \
+            grep -v 'beta' | \
+            grep -v 'alpha' | \
+            sort -V | \
+            tail -n 1)
+          
+          if [ -z "$LATEST_VERSION" ]; then
+            echo "Failed to fetch from first method, trying alternative..."
+            # 代替方法: alpine-perlタグを別の方法で検索
+            LATEST_VERSION=$(curl -s "https://hub.docker.com/v2/repositories/library/nginx/tags?page_size=100" | \
+              jq -r '.results[].name' | \
+              grep 'alpine-perl$' | \
+              grep -E '^[0-9]+\.[0-9]+\.[0-9]+-alpine-perl$' | \
+              grep -v 'rc' | \
+              grep -v 'beta' | \
+              grep -v 'alpha' | \
+              sort -V | \
+              tail -n 1)
           fi
+          
+          if [ -z "$LATEST_VERSION" ]; then
+            echo "ERROR: Failed to fetch Nginx version"
+            exit 1
+          fi
+          
+          echo "Nginx latest version: $LATEST_VERSION"
+          
+          # バージョン情報を表示
+          NGINX_VERSION=$(echo $LATEST_VERSION | cut -d'-' -f1)
+          echo "  Nginx: $NGINX_VERSION"
+          echo "  Base: alpine-perl"
+          
+          echo "version=$LATEST_VERSION" >> $GITHUB_OUTPUT
+
+      - name: Get current versions from values.yaml
+        id: current
+        run: |
+          # 現在のバージョンを取得
+          CURRENT_WORDPRESS=$(grep -A 3 'wordpress:' values.yaml | grep 'tag:' | awk -F'"' '{print $2}')
+          CURRENT_NGINX=$(grep -A 3 'nginx:' values.yaml | grep 'tag:' | awk -F'"' '{print $2}')
+          
+          echo "current_wordpress=$CURRENT_WORDPRESS" >> $GITHUB_OUTPUT
+          echo "current_nginx=$CURRENT_NGINX" >> $GITHUB_OUTPUT
+          echo "Current WordPress: $CURRENT_WORDPRESS"
+          echo "Current Nginx: $CURRENT_NGINX"
+
+      - name: Check if update is needed
+        id: check
+        run: |
+          UPDATE_NEEDED=false
+          CHANGES=""
+          
+          if [ "${{ steps.current.outputs.current_wordpress }}" != "${{ steps.wordpress.outputs.version }}" ]; then
+            echo "WordPress update available: ${{ steps.current.outputs.current_wordpress }} -> ${{ steps.wordpress.outputs.version }}"
+            UPDATE_NEEDED=true
+            CHANGES="${CHANGES}- WordPress: ${{ steps.current.outputs.current_wordpress }} -> ${{ steps.wordpress.outputs.version }}\n"
+          else
+            echo "WordPress is up to date: ${{ steps.current.outputs.current_wordpress }}"
+          fi
+          
+          if [ "${{ steps.current.outputs.current_nginx }}" != "${{ steps.nginx.outputs.version }}" ]; then
+            echo "Nginx update available: ${{ steps.current.outputs.current_nginx }} -> ${{ steps.nginx.outputs.version }}"
+            UPDATE_NEEDED=true
+            CHANGES="${CHANGES}- Nginx: ${{ steps.current.outputs.current_nginx }} -> ${{ steps.nginx.outputs.version }}\n"
+          else
+            echo "Nginx is up to date: ${{ steps.current.outputs.current_nginx }}"
+          fi
+          
+          echo "update_needed=$UPDATE_NEEDED" >> $GITHUB_OUTPUT
+          echo -e "changes<<EOF" >> $GITHUB_OUTPUT
+          echo -e "$CHANGES" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
 
       - name: Update values.yaml
-        if: steps.check_update.outputs.update_needed == 'true'
+        if: steps.check.outputs.update_needed == 'true'
         run: |
-          set -e
-          echo "Updating values.yaml..."
-          NGINX_OLD="${{ steps.nginx.outputs.current }}"
-          NGINX_NEW="${{ steps.nginx.outputs.latest }}"
-          sed -i "s|tag: \"${NGINX_OLD}\"|tag: \"${NGINX_NEW}\"|g" values.yaml
-          WP_OLD="${{ steps.wordpress.outputs.current }}"
-          WP_NEW="${{ steps.wordpress.outputs.latest }}"
-          sed -i "s|tag: \"${WP_OLD}\"|tag: \"${WP_NEW}\"|g" values.yaml
-          echo "values.yaml updated"
-          git diff values.yaml
-
-      - name: Update Chart.yaml version
-        if: steps.check_update.outputs.update_needed == 'true'
-        run: |
-          set -e
-          WP_VERSION="${{ steps.wordpress.outputs.wp_version }}"
-          sed -i "s/^version: .*/version: $WP_VERSION/" Chart.yaml
-          sed -i "s/^appVersion: .*/appVersion: \"$WP_VERSION\"/" Chart.yaml
-          echo "Chart.yaml updated to version $WP_VERSION"
-          cat Chart.yaml
-
-      - name: Commit changes
-        if: steps.check_update.outputs.update_needed == 'true'
-        run: |
-          git config user.name "GitHub Actions Bot"
-          git config user.email "actions@github.com"
-          git add values.yaml Chart.yaml
-          git commit -m "chore: update to WordPress ${{ steps.wordpress.outputs.wp_version }}"
-          git push origin main
-
-      - name: Package Helm Chart
-        if: steps.check_update.outputs.update_needed == 'true'
-        run: |
-          helm package .
-          echo "Helm chart packaged"
-
-      - name: Create Git Tag
-        if: steps.check_update.outputs.update_needed == 'true'
-        run: |
-          WP_VERSION="${{ steps.wordpress.outputs.wp_version }}"
-          git tag -a "v$WP_VERSION" -m "Release WordPress $WP_VERSION"
-          git push origin "v$WP_VERSION"
-          echo "Git tag v$WP_VERSION created"
-
-      - name: Create Gitea Release
-        if: steps.check_update.outputs.update_needed == 'true'
-        env:
-          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
-        run: |
-          WP_VERSION="${{ steps.wordpress.outputs.wp_version }}"
-          CHART_NAME=$(grep '^name:' Chart.yaml | awk '{print $2}')
-          PACKAGE_FILE="${CHART_NAME}-${WP_VERSION}.tgz"
-          RELEASE_BODY="WordPress Helm Chart v${WP_VERSION} - Automated release"
-          curl -X POST -H "Authorization: token ${GITEA_TOKEN}" -H "Content-Type: application/json" -d "{\"tag_name\":\"v${WP_VERSION}\",\"name\":\"v${WP_VERSION}\",\"body\":\"${RELEASE_BODY}\"}" "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases"
-          RELEASE_ID=$(curl -s -H "Authorization: token ${GITEA_TOKEN}" "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases/tags/v${WP_VERSION}" | jq -r '.id')
-          curl -X POST -H "Authorization: token ${GITEA_TOKEN}" -H "Content-Type: application/gzip" --data-binary "@${PACKAGE_FILE}" "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases/${RELEASE_ID}/assets?name=${PACKAGE_FILE}"
-          echo "Release created"
-
-      - name: Update Helm Repository Index
-        if: steps.check_update.outputs.update_needed == 'true'
-        run: |
-          set -e
-          WP_VERSION="${{ steps.wordpress.outputs.wp_version }}"
-          CHART_NAME=$(grep '^name:' Chart.yaml | awk '{print $2}')
-          PACKAGE_FILE="${CHART_NAME}-${WP_VERSION}.tgz"
+          # バックアップを作成
+          cp values.yaml values.yaml.bak
           
-          echo "Preparing Helm repository update..."
+          # WordPressのtagを更新
+          # image.wordpress.tagの行を特定して置換
+          awk -v new_tag="${{ steps.wordpress.outputs.version }}" '
+          /^image:/ { in_image=1 }
+          in_image && /^  wordpress:/ { in_wordpress=1; print; next }
+          in_wordpress && /^    tag:/ { 
+            print "    tag: \"" new_tag "\""
+            in_wordpress=0
+            next
+          }
+          in_wordpress && /^  [a-z]/ { in_wordpress=0 }
+          in_image && /^[a-z]/ { in_image=0 }
+          { print }
+          ' values.yaml.bak > values.yaml.tmp
+          mv values.yaml.tmp values.yaml
           
-          # パッケージファイルを一時ディレクトリに移動
-          mkdir -p /tmp/helm-repo
-          cp "${PACKAGE_FILE}" /tmp/helm-repo/
+          # Nginxのtagを更新
+          cp values.yaml values.yaml.tmp
+          awk -v new_tag="${{ steps.nginx.outputs.version }}" '
+          /^image:/ { in_image=1 }
+          in_image && /^  nginx:/ { in_nginx=1; print; next }
+          in_nginx && /^    tag:/ { 
+            print "    tag: \"" new_tag "\""
+            in_nginx=0
+            next
+          }
+          in_nginx && /^  [a-z]/ { in_nginx=0 }
+          in_image && /^[a-z]/ { in_image=0 }
+          { print }
+          ' values.yaml.tmp > values.yaml
+          rm values.yaml.tmp
           
-          # gh-pagesブランチの処理
-          if git ls-remote --heads origin gh-pages | grep gh-pages; then
-            echo "gh-pages branch exists, checking out..."
-            git fetch origin gh-pages
-            git checkout gh-pages
-          else
-            echo "Creating new gh-pages branch..."
-            git checkout --orphan gh-pages
-            git rm -rf . || true
-            echo "# Helm Repository" > README.md
-            git add README.md
-            git config user.name "GitHub Actions Bot"
-            git config user.email "actions@github.com"
-            git commit -m "Initialize gh-pages branch"
-            git push origin gh-pages
+          # 変更内容を表示
+          echo "=== Changes in values.yaml ==="
+          diff values.yaml.bak values.yaml || true
+          
+          # 実際に変更されたか確認
+          if diff -q values.yaml.bak values.yaml > /dev/null; then
+            echo "ERROR: No changes were made to values.yaml"
+            cat values.yaml | grep -A 5 "image:"
+            exit 1
           fi
           
-          # パッケージファイルをコピー
-          cp /tmp/helm-repo/"${PACKAGE_FILE}" .
+          echo "=== Updated values.yaml (image section) ==="
+          grep -A 10 "^image:" values.yaml
+
+      - name: Increment chart version
+        if: steps.check.outputs.update_needed == 'true'
+        id: increment
+        run: |
+          # Chart.yamlのバージョンをインクリメント
+          if [ -f Chart.yaml ]; then
+            CURRENT_CHART_VERSION=$(grep '^version:' Chart.yaml | awk '{print $2}')
+            # パッチバージョンをインクリメント（例: 1.0.0 -> 1.0.1）
+            NEW_CHART_VERSION=$(echo $CURRENT_CHART_VERSION | awk -F. '{print $1"."$2"."$3+1}')
+            sed -i "s/^version: .*/version: $NEW_CHART_VERSION/" Chart.yaml
+            echo "Chart version updated: $CURRENT_CHART_VERSION -> $NEW_CHART_VERSION"
+            echo "new_chart_version=$NEW_CHART_VERSION" >> $GITHUB_OUTPUT
+          else
+            echo "Chart.yaml not found, skipping version increment"
+            echo "new_chart_version=unknown" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Commit and push changes
+        if: steps.check.outputs.update_needed == 'true'
+        run: |
+          git add values.yaml Chart.yaml
+          git status
           
-          # index.yamlを生成/更新
-          helm repo index . --url "https://gitea.cafepieters.com/${GITHUB_REPOSITORY}/raw/branch/gh-pages"
+          if git diff --staged --quiet; then
+            echo "No changes to commit"
+            exit 0
+          fi
           
-          # コミットしてプッシュ
-          git config user.name "GitHub Actions Bot"
-          git config user.email "actions@github.com"
-          git add "${PACKAGE_FILE}" index.yaml
-          git commit -m "chore: add ${CHART_NAME} v${WP_VERSION}" || echo "No changes to commit"
-          git push origin gh-pages
+          # コミットメッセージを作成
+          cat << EOF > /tmp/commit_msg.txt
+          chore: Update Docker images
           
-          echo "Helm repository updated successfully"
+          ${{ steps.check.outputs.changes }}
+          Auto-updated by Gitea Actions
+          EOF
           
-          # mainブランチに戻る
-          git checkout main
+          git commit -F /tmp/commit_msg.txt
+          
+          # プッシュをリトライ機構付きで実行
+          MAX_RETRIES=3
+          RETRY_COUNT=0
+          until git push origin main || [ $RETRY_COUNT -eq $MAX_RETRIES ]; do
+            RETRY_COUNT=$((RETRY_COUNT+1))
+            echo "Push failed, retrying ($RETRY_COUNT/$MAX_RETRIES)..."
+            sleep 5
+            git pull --rebase origin main
+          done
+          
+          if [ $RETRY_COUNT -eq $MAX_RETRIES ]; then
+            echo "ERROR: Failed to push after $MAX_RETRIES attempts"
+            exit 1
+          fi
+          
+          echo "Successfully pushed changes to main branch"
+
+      - name: Install Helm
+        if: steps.check.outputs.update_needed == 'true'
+        uses: azure/setup-helm@v3
+        with:
+          version: 'latest'
+
+      - name: Create Helm package
+        if: steps.check.outputs.update_needed == 'true'
+        run: |
+          # packagesディレクトリを作成
+          mkdir -p ./packages/
+          
+          # Helmパッケージを作成
+          helm package . -d ./packages/
+          
+          # リポジトリインデックスを更新
+          helm repo index ./packages/ --url https://git.cafepieters.com/helmchart/wordpress/raw/branch/main/packages/
+          
+          # パッケージファイルをコミット
+          git add ./packages/*.tgz ./packages/index.yaml
+          git commit -m "chore: Add Helm package for version ${{ steps.increment.outputs.new_chart_version }}" || echo "No package changes to commit"
+          git push origin main || echo "Failed to push packages (this may be expected)"
+
+      - name: Create release tag
+        if: steps.check.outputs.update_needed == 'true'
+        run: |
+          # リリースタグを作成
+          TAG_NAME="v${{ steps.increment.outputs.new_chart_version }}"
+          
+          cat << EOF > /tmp/tag_msg.txt
+          Release $TAG_NAME
+          
+          ${{ steps.check.outputs.changes }}
+          Chart version: ${{ steps.increment.outputs.new_chart_version }}
+          EOF
+          
+          git tag -a "$TAG_NAME" -F /tmp/tag_msg.txt
+          git push origin "$TAG_NAME" || echo "Failed to push tag (tag may already exist)"
 
       - name: Summary
-        if: steps.check_update.outputs.update_needed == 'true'
+        if: always()
         run: |
-          WP_VERSION="${{ steps.wordpress.outputs.wp_version }}"
-          echo "Update completed to version ${WP_VERSION}"
\ No newline at end of file
+          echo "=== Workflow Summary ==="
+          echo "Update needed: ${{ steps.check.outputs.update_needed }}"
+          echo ""
+          echo "WordPress:"
+          echo "  Current: ${{ steps.current.outputs.current_wordpress }}"
+          echo "  Latest:  ${{ steps.wordpress.outputs.version }}"
+          echo ""
+          echo "Nginx:"
+          echo "  Current: ${{ steps.current.outputs.current_nginx }}"
+          echo "  Latest:  ${{ steps.nginx.outputs.version }}"
+          
+          if [ "${{ steps.check.outputs.update_needed }}" == "true" ]; then
+            echo ""
+            echo "Chart version: ${{ steps.increment.outputs.new_chart_version }}"
+            echo "Tag: v${{ steps.increment.outputs.new_chart_version }}"
+          fi
\ No newline at end of file