diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e69195da..9afadc96 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -245,6 +245,58 @@ jobs:
         run: |
           ! $BLUEPRINT_DOCKER $CMD_VALIDATE $INVALID_TEST
 
+      - name: Prepare Benchmark
+        run: |
+          make build --no-print-directory
+          make bench-create-csv --no-print-directory
+
+      - name: 🔥 Benchmark
+        run: |
+          ! make bench-docker-quick --no-print-directory
+
+      - name: Push Docker Image (master)
+        uses: docker/build-push-action@v5
+        if: github.ref == 'refs/heads/master'
+        with:
+          context: .
+          push: true
+          tags: jbzoo/csv-blueprint:master
+
+
+  verify-docker-zts:
+    name: Verify Docker ZTS
+    runs-on: ubuntu-latest
+    env:
+      BENCH_COLS: 1
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          ref: ${{ github.event.pull_request.head.ref }}
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: 🐳 Building Docker Image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: Dockerfile.zts
+          push: false
+          tags: jbzoo/csv-blueprint:local
+
+      - name: 🎨 Test help and logo
+        run: $BLUEPRINT_DOCKER --ansi -vvv
+
       - name: 👍 Valid CSV files (Parallel)
         run: $BLUEPRINT_DOCKER $CMD_VALIDATE $VALID_TEST --parallel
 
@@ -265,13 +317,14 @@ jobs:
         run: |
           ! make bench-docker-quick-parallel --no-print-directory
 
-      - name: Push Docker Image (master)
+      - name: Push Docker Image (master-zts)
         uses: docker/build-push-action@v5
         if: github.ref == 'refs/heads/master'
         with:
           context: .
+          file: Dockerfile.zts
           push: true
-          tags: jbzoo/csv-blueprint:master
+          tags: jbzoo/csv-blueprint:zts
 
 
   verify-ga:
diff --git a/Dockerfile b/Dockerfile
index b4aed754..75c9712b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,11 +17,11 @@ COPY . /tmp
 RUN make build-version
 
 ########################################################################################
-FROM php:8.3-zts-alpine
+FROM php:8.3-cli-alpine
 
 # Install PHP extensions
 ADD --chmod=0755 https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions /usr/local/bin/
-RUN install-php-extensions opcache parallel @composer
+RUN install-php-extensions opcache @composer
 
 # Install application
 WORKDIR /app
@@ -38,21 +38,13 @@ RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
 COPY ./docker/php.ini /usr/local/etc/php/conf.d/docker-z99-php.ini
 
 # Warmup caches
-RUN php ./docker/random-csv.php \
-    && JBZOO_BUILD_PRELOADER=1 \
-      ./csv-blueprint validate:csv \
-      --schema=/app/schema-examples/full.yml \
-      --csv=/app/docker/random_data.csv \
-      --apply-all=yes \
-      --report=text --mute-errors | grep issues \
-    && rm ./docker/random_data.csv \
-    && php ./docker/build-preloader.php \
+RUN OPCACHE_COMPILER=1 php ./docker/build-preloader.php \
     && php ./docker/preload.php \
     && du -sh /app/docker
 #    && echo "opcache.preload=/app/docker/preload.php" >> /usr/local/etc/php/conf.d/docker-z99-php.ini
 
+
 # Quick test
 RUN time ./csv-blueprint -V
 
-ENTRYPOINT ["/app/docker/entrypoint.sh"]
-#ENTRYPOINT ["/app/csv-blueprint"]
+ENTRYPOINT ["/app/csv-blueprint"]
diff --git a/Dockerfile.zts b/Dockerfile.zts
new file mode 100644
index 00000000..1f0474e8
--- /dev/null
+++ b/Dockerfile.zts
@@ -0,0 +1,55 @@
+#
+# JBZoo Toolbox - Csv-Blueprint.
+#
+# This file is part of the JBZoo Toolbox project.
+# For the full copyright and license information, please view the LICENSE
+# file that was distributed with this source code.
+#
+# @license    MIT
+# @copyright  Copyright (C) JBZoo.com, All rights reserved.
+# @see        https://github.com/JBZoo/Csv-Blueprint
+#
+
+FROM alpine:3.9 AS preparatory
+RUN apk add --no-cache make git
+WORKDIR /tmp
+COPY . /tmp
+RUN make build-version
+
+########################################################################################
+FROM php:8.3-zts-alpine
+
+# Install PHP extensions
+ADD --chmod=0755 https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions /usr/local/bin/
+RUN install-php-extensions opcache parallel @composer
+
+# Install application
+WORKDIR /app
+ENV COMPOSER_ALLOW_SUPERUSER=1
+COPY . /app
+COPY --from=preparatory /tmp/.version /app/.version
+RUN composer install --no-dev --classmap-authoritative --no-progress \
+    && rm -rf ./.git \
+    && composer clear-cache \
+    && chmod +x ./csv-blueprint \
+    && chmod +x ./docker/entrypoint.sh
+
+RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
+COPY ./docker/php.ini /usr/local/etc/php/conf.d/docker-z99-php.ini
+
+# Build custom autoloader for PHP ext-parallel
+RUN php ./docker/random-csv.php \
+    && JBZOO_BUILD_PRELOADER=1 \
+      ./csv-blueprint validate:csv \
+      --schema=/app/schema-examples/full.yml \
+      --csv=/app/docker/random_data.csv \
+      --apply-all=yes \
+      --report=text --mute-errors | grep issues \
+    && rm ./docker/random_data.csv \
+    && php ./docker/build-preloader.php \
+    && php ./docker/preload.php
+
+# Quick test
+RUN time ./csv-blueprint -V
+
+ENTRYPOINT ["/app/docker/entrypoint.sh"]
diff --git a/Makefile b/Makefile
index 6a8a5525..697ed6a5 100644
--- a/Makefile
+++ b/Makefile
@@ -77,6 +77,10 @@ docker-build: ##@Docker (Re-)build Docker image
 	$(call title,"Building Docker Image")
 	@docker build -t $(DOCKER_IMAGE) --progress=plain .
 
+docker-build-zts: ##@Docker (Re-)build Docker image with ZTS
+	$(call title,"Building Docker Image")
+	@docker build -t $(DOCKER_IMAGE)-zts -f Dockerfile.zts --progress=plain .
+
 docker-demo: ##@Docker Run demo via Docker
 	$(call title,"Demo - Valid CSV \(via Docker\)")
 	@$(BLUEPRINT_DOCKER) $(VALID_CSV) $(VALID_SCHEMA) -vvv
diff --git a/docker/build-preloader.php b/docker/build-preloader.php
index 4d2bde89..61c41cc0 100644
--- a/docker/build-preloader.php
+++ b/docker/build-preloader.php
@@ -15,10 +15,11 @@
 declare(strict_types=1);
 
 use JBZoo\CsvBlueprint\Tools\PreloadBuilder;
+use JBZoo\Utils\Env;
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
-(new PreloadBuilder(enableOpcacheCompiler: false))
+(new PreloadBuilder(Env::bool('OPCACHE_COMPILER')))
     ->setExcludes([
         \dirname(__DIR__) . '/csv-blueprint',
         \dirname(__DIR__) . '/csv-blueprint.php',
diff --git a/docker/php.ini b/docker/php.ini
index 6df2cbe2..3d3e52f9 100644
--- a/docker/php.ini
+++ b/docker/php.ini
@@ -20,7 +20,7 @@ opcache.max_accelerated_files = 10000
 opcache.fast_shutdown = 1
 opcache.save_comments = 1
 opcache.jit_buffer_size = 100M
-opcache.jit = tracing
+opcache.jit = 1255
 
 opcache.memory_consumption = 200
 
@@ -32,6 +32,7 @@ opcache.memory_consumption = 200
 ;opcache.file_cache = /app/docker/
 ;opcache.file_cache_only = 1
 
+
 ; Enable aggressive opcache optimization
 opcache.use_cwd = 0
 opcache.validate_root = 0
diff --git a/src/Commands/AbstractValidate.php b/src/Commands/AbstractValidate.php
index d093cb09..a7aa3b59 100644
--- a/src/Commands/AbstractValidate.php
+++ b/src/Commands/AbstractValidate.php
@@ -103,11 +103,15 @@ protected function preparation(): void
 
         $threads = $this->getNumberOfThreads();
         if ($threads !== 1) {
-            $this->_(
-                $threads > 0
-                    ? "Parallel mode: {$threads} threads"
-                    : 'Parallel mode: ' . WorkerPool::getCpuCount() . ' threads (auto)',
-            );
+            if (WorkerPool::extLoaded()) {
+                $this->_(
+                    $threads > 0
+                        ? "Parallel mode: {$threads} threads"
+                        : 'Parallel mode: ' . WorkerPool::getCpuCount() . ' threads (auto)',
+                );
+            } else {
+                $this->_('Parallel mode: <yellow>Not available</yellow>. Please, see docs.');
+            }
         }
 
         Utils::setDebugMode($this->getOptBool('debug'));