diff --git a/.gitea/workflows/update-images.yaml b/.gitea/workflows/update-images.yaml
index 6ae89fe..8b9bffc 100644
--- a/.gitea/workflows/update-images.yaml
+++ b/.gitea/workflows/update-images.yaml
@@ -22,11 +22,364 @@ jobs:
       - name: Check for new nginx version
         id: nginx
         run: |
-          CURRENT=$(grep -A2 "nginx:" values.yaml | grep "tag:" | sed 's/.*tag: "\(.*\)"/\1/')
-          LATEST=$(curl -s https://registry.hub.docker.com/v2/repositories/library/nginx/tags?page_size=100 | jq -r '.results[].name' | grep -E '^[0-9]+\.[0-9]+\.[0-9]+-alpine-perl$' | sort -V | tail -1)
+          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
+
+      - name: Check for new WordPress 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
+
+      - name: Determine if update is needed
+        id: check_update
+        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" >> $GITHUB_OUTPUT
+            echo "ℹ️ Already up to date"
+          fi
+
+      - name: Update values.yaml
+        if: steps.check_update.outputs.update_needed == 'true'
+        run: |
+          set -e
+          echo "Updating values.yaml..."
+          
+          # Nginxタグ更新
+          NGINX_OLD="${{ steps.nginx.outputs.current }}"
+          NGINX_NEW="${{ steps.nginx.outputs.latest }}"
+          sed -i "s|tag: \"${NGINX_OLD}\"|tag: \"${NGINX_NEW}\"|g" values.yaml
+          
+          # WordPressタグ更新
+          WP_OLD="${{ steps.wordpress.outputs.current }}"
+          WP_NEW="${{ steps.wordpress.outputs.latest }}"
+          sed -i "s|tag: \"${WP_OLD}\"|tag: \"${WP_NEW}\"|g" values.yaml
+          
+          echo "✅ values.yaml updated"
+          git diff values.yaml
+
+      - name: Update Chart.yaml version
+        if: steps.check_update.outputs.update_needed == 'true'
+        run: |
+          WP_VERSION="${{ 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: |
+          WP_VERSION="${{ steps.wordpress.outputs.wp_version }}"
+          CHART_NAME=$(grep '^name:' Chart.yaml | awk '{print $2}')
+          PACKAGE_FILE="${CHART_NAME}-${WP_VERSION}.tgz"
+          git fetch origin gh-pages || git checkout --orphan gh-pages
+          git checkout gh-pages || (git checkout --orphan gh-pages && git rm -rf .)
+          mv "${PACKAGE_FILE}" .
+          helm repo index . --url https://gitea.example.com/${GITHUB_REPOSITORY}/raw/branch/gh-pages
+          git config user.name "GitHub Actions Bot"
+          git config user.email "actions@github.com"
+          git add "${PACKAGE_FILE}" index.yaml
+          git commit -m "chore: add ${CHART_NAME} v${WP_VERSION}"
+          git push origin gh-pages
+          echo "Helm repository updated"
+
+      - name: Summary
+        if: steps.check_update.outputs.update_needed == 'true'
+        run: |
+          WP_VERSION="${{ steps.wordpress.outputs.wp_version }}"
+          echo "Update completed to version ${WP_VERSION}"
+ | \
+            sort -V | \
+            tail -1)
+          
+          if [ -z "$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" >> $GITHUB_OUTPUT
+
+      - name: Check for new WordPress version
+        id: wordpress
+        run: |
+          CURRENT=$(grep -A2 "wordpress:" values.yaml | grep "tag:" | sed 's/.*tag: "\(.*\)"/\1/')
+          LATEST=$(curl -s https://registry.hub.docker.com/v2/repositories/library/wordpress/tags?page_size=100 | jq -r '.results[].name' | grep -E '^[0-9]+\.[0-9]+\.[0-9]+-php[0-9]+\.[0-9]+-fpm-alpine$' | sort -V | tail -1)
+          WP_VERSION=$(echo "$LATEST" | grep -oE '^[0-9]+\.[0-9]+\.[0-9]+')
+          echo "current=$CURRENT" >> $GITHUB_OUTPUT
+          echo "latest=$LATEST" >> $GITHUB_OUTPUT
+          echo "wp_version=$WP_VERSION" >> $GITHUB_OUTPUT
+          echo "WordPress: $CURRENT -> $LATEST (version: $WP_VERSION)"
+
+      - name: Determine if update is needed
+        id: check_update
+        run: |
+          if [ "${{ steps.nginx.outputs.current }}" != "${{ steps.nginx.outputs.latest }}" ] || [ "${{ steps.wordpress.outputs.current }}" != "${{ steps.wordpress.outputs.latest }}" ]; then
+            echo "update_needed=true" >> $GITHUB_OUTPUT
+            echo "Update is needed"
+          else
+            echo "update_needed=false" >> $GITHUB_OUTPUT
+            echo "Already up to date"
+          fi
+
+      - name: Update values.yaml
+        if: steps.check_update.outputs.update_needed == 'true'
+        run: |
+          sed -i 's|tag: "${{ steps.nginx.outputs.current }}"|tag: "${{ steps.nginx.outputs.latest }}"|' values.yaml
+          sed -i 's|tag: "${{ steps.wordpress.outputs.current }}"|tag: "${{ steps.wordpress.outputs.latest }}"|' values.yaml
+          echo "values.yaml updated"
+
+      - name: Update Chart.yaml version
+        if: steps.check_update.outputs.update_needed == 'true'
+        run: |
+          WP_VERSION="${{ 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: |
+          WP_VERSION="${{ steps.wordpress.outputs.wp_version }}"
+          CHART_NAME=$(grep '^name:' Chart.yaml | awk '{print $2}')
+          PACKAGE_FILE="${CHART_NAME}-${WP_VERSION}.tgz"
+          git fetch origin gh-pages || git checkout --orphan gh-pages
+          git checkout gh-pages || (git checkout --orphan gh-pages && git rm -rf .)
+          mv "${PACKAGE_FILE}" .
+          helm repo index . --url https://gitea.example.com/${GITHUB_REPOSITORY}/raw/branch/gh-pages
+          git config user.name "GitHub Actions Bot"
+          git config user.email "actions@github.com"
+          git add "${PACKAGE_FILE}" index.yaml
+          git commit -m "chore: add ${CHART_NAME} v${WP_VERSION}"
+          git push origin gh-pages
+          echo "Helm repository updated"
+
+      - name: Summary
+        if: steps.check_update.outputs.update_needed == 'true'
+        run: |
+          WP_VERSION="${{ steps.wordpress.outputs.wp_version }}"
+          echo "Update completed to version ${WP_VERSION}"
+ | \
+            sort -V | \
+            tail -1)
+          
+          if [ -z "$LATEST" ]; then
+            echo "Warning: Could not fetch latest WordPress version, using current"
+            LATEST="$CURRENT"
+          fi
+          
+          WP_VERSION=$(echo "$LATEST" | grep -oE '^[0-9]+\.[0-9]+\.[0-9]+')
+          
+          if [ -z "$WP_VERSION" ]; then
+            echo "Error: Could not extract WordPress version"
+            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" >> $GITHUB_OUTPUT
+
+      - name: Determine if update is needed
+        id: check_update
+        run: |
+          if [ "${{ steps.nginx.outputs.current }}" != "${{ steps.nginx.outputs.latest }}" ] || [ "${{ steps.wordpress.outputs.current }}" != "${{ steps.wordpress.outputs.latest }}" ]; then
+            echo "update_needed=true" >> $GITHUB_OUTPUT
+            echo "Update is needed"
+          else
+            echo "update_needed=false" >> $GITHUB_OUTPUT
+            echo "Already up to date"
+          fi
+
+      - name: Update values.yaml
+        if: steps.check_update.outputs.update_needed == 'true'
+        run: |
+          sed -i 's|tag: "${{ steps.nginx.outputs.current }}"|tag: "${{ steps.nginx.outputs.latest }}"|' values.yaml
+          sed -i 's|tag: "${{ steps.wordpress.outputs.current }}"|tag: "${{ steps.wordpress.outputs.latest }}"|' values.yaml
+          echo "values.yaml updated"
+
+      - name: Update Chart.yaml version
+        if: steps.check_update.outputs.update_needed == 'true'
+        run: |
+          WP_VERSION="${{ 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: |
+          WP_VERSION="${{ steps.wordpress.outputs.wp_version }}"
+          CHART_NAME=$(grep '^name:' Chart.yaml | awk '{print $2}')
+          PACKAGE_FILE="${CHART_NAME}-${WP_VERSION}.tgz"
+          git fetch origin gh-pages || git checkout --orphan gh-pages
+          git checkout gh-pages || (git checkout --orphan gh-pages && git rm -rf .)
+          mv "${PACKAGE_FILE}" .
+          helm repo index . --url https://gitea.example.com/${GITHUB_REPOSITORY}/raw/branch/gh-pages
+          git config user.name "GitHub Actions Bot"
+          git config user.email "actions@github.com"
+          git add "${PACKAGE_FILE}" index.yaml
+          git commit -m "chore: add ${CHART_NAME} v${WP_VERSION}"
+          git push origin gh-pages
+          echo "Helm repository updated"
+
+      - name: Summary
+        if: steps.check_update.outputs.update_needed == 'true'
+        run: |
+          WP_VERSION="${{ steps.wordpress.outputs.wp_version }}"
+          echo "Update completed to version ${WP_VERSION}"
+ | \
+            sort -V | \
+            tail -1)
+          
+          if [ -z "$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
-          echo "Nginx: $CURRENT -> $LATEST"
 
       - name: Check for new WordPress version
         id: wordpress