Added .gitlab-ci

.gitlab-ci.yml

@@ -0,0 +1,19 @@
+stages:
+- build
+
+variables:
+  CACHETAG: build-${VERSION}
+  DOCKER_HOST: tcp://docker:2375
+
+services:
+- docker:dind
+
+before_script:
+- docker info
+- docker version
+- echo "$CI_JOB_TOKEN" | docker login -u "$CI_REGISTRY_USER" "$CI_REGISTRY" --password-stdin
+# env|sort
+
+include:
+  - .gitlab-docker-x86_64.yml
+  - .gitlab-docker-armv7l.yml

.gitlab-docker-armv7l.yml

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+armv7l:build:
+  variables:
+    VERSION: armv7l-buster
+  stage: build
+  image: docker:latest
+  script:
+  - if [ -f init ]; then chmod 500 init; fi
+  - docker pull ${CI_REGISTRY_IMAGE}:${CACHETAG} || true
+  - docker build --cache-from ${CI_REGISTRY_IMAGE}:${CACHETAG} -t ${CI_REGISTRY_IMAGE}:${VERSION} -t ${CI_REGISTRY_IMAGE}:${CACHETAG} .
+  - docker push ${CI_REGISTRY_IMAGE}:${VERSION}
+  - docker push ${CI_REGISTRY_IMAGE}:${CACHETAG}
+  tags:
+  - docker
+  - armv7l
+  only:
+  - buster

.gitlab-docker-x86_64.yml

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+x86_64:build:
+  variables:
+    VERSION: x86_64
+  stage: build
+  image: docker:latest
+  script:
+  - if [ -f init ]; then chmod 500 init; fi
+  - ([ -z "$REFRESH" ] && docker pull ${CI_REGISTRY_IMAGE}:${CACHETAG}) || echo "true"
+  - docker build --cache-from ${CI_REGISTRY_IMAGE}:${CACHETAG} -t ${CI_REGISTRY_IMAGE}:${VERSION} -t ${CI_REGISTRY_IMAGE}:${CACHETAG} .
+  - docker push ${CI_REGISTRY_IMAGE}:${VERSION}
+  - docker push ${CI_REGISTRY_IMAGE}:${CACHETAG}
+  tags:
+  - docker
+  - x86_64
+  only:
+  - master