added docker config dir

.gitlab-ci.yml

@@ -36,6 +36,7 @@ build_image:
       fi
     - echo "Building Docker image with tag $IMAGE_TAG"
   script:
+    - mkdir -p /kaniko/.docker
     - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$CI_REGISTRY_USER\",\"password\":\"$CI_REGISTRY_PASSWORD\"}}}" > /kaniko/.docker/config.json
     - /kaniko/executor
         --context "${CI_PROJECT_DIR}"