Update .gitlab-ci.yml

.gitlab-ci.yml

-image: docker:stable
+# renku: v1.dev20180723
 
-before_script:
-  - apk-get update -qq
-  - apk-get install -qq git
-  # Setup SSH deploy keys
-  - 'which ssh-agent || ( apk-get install -qq openssh-client )'
-  - eval $(ssh-agent -s)
-  - ssh-add <(echo "$SSH_PRIVATE_KEY")
-  - mkdir -p ~/.ssh
-  - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'
+variables:
+  GIT_STRATEGY: fetch
+  GIT_SSL_NO_VERIFY: "true"
+  GIT_SUBMODULE_STRATEGY: recursive
+  GIT_LFS_SKIP_SMUDGE: 1
 
-deploy_staging:
-  type: deploy
-  environment:
-    name: staging
-    url: https://renkulab.io/gitlab/data-lakes/
+stages:
+  - build
+
+image_build:
+  stage: build
+  image: docker:stable
+  before_script:
+    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN http://$CI_REGISTRY
   script:
-    - ssh centos@148.187.97.230
-  only:
-    - master
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+    - CI_COMMIT_SHA_7=$(echo $CI_COMMIT_SHA | cut -c1-7)
+    - docker build --tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA_7 .
+    - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA_7
+  tags:
+    - image-build
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