diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..b853f73
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,43 @@
+variables:
+  CI_REGISTRY_IMAGE_GRADLE: "$CI_REGISTRY_IMAGE:latest-backend-gradle"
+  CI_REGISTRY_IMAGE_BACKEND: "$CI_REGISTRY_IMAGE:latest-backend"
+
+before_script:
+  - docker info
+  - docker login -u $CI_USERNAME -p $CI_ACCESS_TOKEN $CI_REGISTRY
+
+stages:
+  - build
+  - test
+  - package
+
+# BUILD
+build-backend:
+  stage: build
+  script:
+    - docker pull $CI_REGISTRY_IMAGE_GRADLE || true
+    - docker build --cache-from $CI_REGISTRY_IMAGE_GRADLE -f gradle.Dockerfile -t $CI_REGISTRY_IMAGE_GRADLE --build-arg JDK_VERSIN=$JDK_VERSION --build-arg GRADLE_VERSION=$GRADLE_VERSION .
+    - docker push $CI_REGISTRY_IMAGE_GRADLE
+
+test-backend:
+  stage: test
+  needs: ['build-backend']
+  variables:
+    TEST_CONTAINER_NAME: "cre_backend_gradle_tests"
+  script:
+    - docker run --name $TEST_CONTAINER_NAME --rm $CI_REGISTRY_IMAGE_GRADLE gradle test
+
+package-backend:
+  stage: package
+  needs: ['test-backend']
+  variables:
+    PACKAGE_CONTAINER_NAME: "cre_backend_gradle_package"
+  script:
+    - docker run --name $PACKAGE_CONTAINER_NAME $CI_REGISTRY_IMAGE_GRADLE gradle buildBackend
+    - docker cp $PACKAGE_CONTAINER_NAME:/usr/src/cre/dist/backend/ColorRecipesExplorer.jar ColorRecipesExplorer-$CI_PIPELINE_IID.jar
+    - docker rm $PACKAGE_CONTAINER_NAME
+  artifacts:
+    paths:
+      - ColorRecipesExplorer-$CI_PIPELINE_IID.jar
+    expire_in: 1 week
+
diff --git a/gradle.Dockerfile b/gradle.Dockerfile
new file mode 100644
index 0000000..edbee03
--- /dev/null
+++ b/gradle.Dockerfile
@@ -0,0 +1,10 @@
+ARG JDK_VERSION=11
+ARG GRADLE_VERSION=6.8
+
+FROM gradle:$GRADLE_VERSION-jdk$JDK_VERSION
+WORKDIR /usr/src/cre/
+
+COPY build.gradle.kts build.gradle.kts
+COPY settings.gradle.kts settings.gradle.kts
+COPY src src
+