diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000000000000000000000000000000000000..01cf23c61e3b1d37380181c64d70be431a76e83b
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,80 @@
+stages:
+  - build
+  - test
+
+variables:
+  DOCKER_DRIVER: overlay2
+  DOCKER_TLS_CERTDIR: ""
+  GIT_CLEAN_FLAGS: -ffdx
+
+build_image:
+  stage: build
+  image: docker:25.0.3
+  services:
+    - docker:25.0.3-dind
+  rules:
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+      changes:
+        - Dockerfile
+        - requirements.txt
+    - if: '$CI_COMMIT_BRANCH == "develop"'
+      changes:
+        - Dockerfile
+        - requirements.txt
+    - when: never
+  variables:
+    GIT_STRATEGY: clone
+    GIT_CLEAN_FLAGS: -ffdx
+
+  before_script:
+    - echo "CI_REGISTRY = $CI_REGISTRY"
+    - echo "CI_PROJECT_PATH = $CI_PROJECT_PATH"
+    - export IMAGE_NAME="$CI_REGISTRY/$(echo $CI_PROJECT_PATH | tr '[:upper:]' '[:lower:]')"
+    - echo "IMAGE_NAME = $IMAGE_NAME"
+
+  script:
+    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
+
+    - docker pull $IMAGE_NAME:cache || true
+
+    - docker build --cache-from=$IMAGE_NAME:cache -t $IMAGE_NAME:$CI_COMMIT_SHA -t $IMAGE_NAME:cache .
+
+    - docker push $IMAGE_NAME:$CI_COMMIT_SHA
+    - docker push $IMAGE_NAME:cache
+    
+    - echo "IMAGE_TAG=$CI_COMMIT_SHA" > build.env
+    - echo "IMAGE_NAME=$IMAGE_NAME" >> build.env
+    - cat build.env
+
+  artifacts:
+    expire_in: 3 months
+    reports:
+      dotenv: build.env
+
+test_documentation:
+  stage: test
+  image: docker:25.0.3
+  services:
+    - docker:25.0.3-dind
+  needs: 
+    - job: build_image
+      artifacts: true
+  rules:
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+    - if: '$CI_COMMIT_BRANCH == "develop"'
+    - when: never
+  variables:
+    GIT_STRATEGY: clone
+    GIT_CLEAN_FLAGS: -ffdx
+  before_script:
+    - echo "IMAGE_NAME from artifact = $IMAGE_NAME"
+    - echo "IMAGE_TAG from artifact = $IMAGE_TAG"
+    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
+    - docker pull $IMAGE_NAME:$IMAGE_TAG
+  script:
+    - echo "Running tests in container..."
+    - docker run --rm -v $CI_PROJECT_DIR:/workspace -w /workspace $IMAGE_NAME:$IMAGE_TAG python -m unittest test_mymodule
+  
+  after_script:
+    - rm -rf __pycache__ || true
+    - find . -type d -name __pycache__ -exec rm -rf {} + || true
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..8ded3f54529032647a521ff240f19c7fae9890f3
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,8 @@
+FROM python:3.12
+
+WORKDIR /app
+COPY requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+CMD ["python", "-m", "unittest", "discover", "-s", "./doc/tests", "-t", "./doc"]
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e26df1ea32e903b469640de42e1c63a488d57eaa
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,10 @@
+# python3.11 project
+robotframework==6.1.1
+robotframework-jsonlibrary==0.5
+robotframework-requests==0.9.6
+deepdiff==6.7.1
+prettydiff==0.1.0
+robotframework-httpctrl==0.3.1
+robotframework-tidy==4.11.0
+paho-mqtt==1.6.1
+robotframework-mqttlibrary==0.7.1.post3
diff --git a/test_mymodule.py b/test_mymodule.py
new file mode 100644
index 0000000000000000000000000000000000000000..926819ded0fcda7ffac6d3dc547fa0c6003be3e1
--- /dev/null
+++ b/test_mymodule.py
@@ -0,0 +1,53 @@
+import unittest
+
+
+class TestMyModule(unittest.TestCase):
+    
+    def setUp(self):
+        """Set up test fixtures before each test method"""
+        pass
+    
+    def tearDown(self):
+        """Clean up after each test method"""
+        pass
+    
+    def test_addition(self):
+        """Test basic addition"""
+        result = 2 + 2
+        self.assertEqual(result, 4)
+    
+    def test_subtraction(self):
+        """Test basic subtraction"""
+        result = 5 - 3
+        self.assertEqual(result, 2)
+    
+    def test_multiplication(self):
+        """Test basic multiplication"""
+        result = 3 * 4
+        self.assertEqual(result, 12)
+    
+    def test_division(self):
+        """Test basic division"""
+        result = 10 / 2
+        self.assertEqual(result, 5)
+    
+    def test_string_concatenation(self):
+        """Test string concatenation"""
+        result = "Hello" + " " + "World"
+        self.assertEqual(result, "Hello World")
+    
+    def test_list_operations(self):
+        """Test list operations"""
+        my_list = [1, 2, 3]
+        my_list.append(4)
+        self.assertEqual(len(my_list), 4)
+        self.assertIn(4, my_list)
+    
+    def test_exception_handling(self):
+        """Test exception is raised"""
+        with self.assertRaises(ZeroDivisionError):
+            result = 1 / 0
+
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file