update build process

.gitlab-ci.yml

@@ -2,16 +2,18 @@ build:
   stage: build
   tags:
     - docker-builder
-  image: docker:latest
+  image:
+    name: gcr.io/kaniko-project/executor:debug
+    entrypoint: [""]
   variables:
-    DOCKER_BUILDKIT: 1
+    IMAGE_TAG: latest
     GIT_SUBMODULE_STRATEGY: recursive
     GIT_SUBMODULE_DEPTH: 1
     GIT_SUBMODULE_UPDATE_FLAGS: --jobs 4
   before_script:
-    - docker info
-    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-    - docker pull $CI_REGISTRY_IMAGE:latest || true
+    - echo "{\"auths\":{\"${CI_REGISTRY}\":{\"auth\":\"$(printf "%s:%s" "${CI_REGISTRY_USER}" "${CI_REGISTRY_PASSWORD}" | base64 | tr -d '\n')\"},\"$CI_DEPENDENCY_PROXY_SERVER\":{\"auth\":\"$(printf "%s:%s" ${CI_DEPENDENCY_PROXY_USER} "${CI_DEPENDENCY_PROXY_PASSWORD}" | base64 | tr -d '\n')\"}}}" > /kaniko/.docker/config.json
   script:
-    - docker build --tag $CI_REGISTRY_IMAGE:latest  .
-    - docker push $CI_REGISTRY_IMAGE:latest
+    - /kaniko/executor
+      --context "${CI_PROJECT_DIR}"
+      --dockerfile "${CI_PROJECT_DIR}/Dockerfile"
+      --destination "${CI_REGISTRY_IMAGE}:${IMAGE_TAG}"