Add .gitlab-ci.yml

.gitlab-ci.yml

+stages:
+  - build_dev
+
+build_dev:
+  stage: build_dev
+  image: docker:stable
+  services:
+    - docker:dind
+  variables:
+    DOCKER_HOST: tcp://docker:2375
+    DOCKER_DRIVER: overlay2
+  script:
+    - docker login -u "gitlab-ci-token" -p ${CI_JOB_TOKEN} ${CI_REGISTRY}
+    - docker build -t ${CI_REGISTRY_IMAGE}:${CI_PIPELINE_ID} .
+    - docker push ${CI_REGISTRY_IMAGE}:${CI_PIPELINE_ID}
+  environment:
+    name: ${CI_COMMIT_REF_NAME}
+    url: https://xvideos.com
+  only:
+    - dev
+  tags:
+    - buidl1-dind