58 lines
1.6 KiB
YAML
58 lines
1.6 KiB
YAML
image: docker:18
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stages:
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- build
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- push
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before_script:
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- docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
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Build:
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stage: build
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script:
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- docker pull $CI_REGISTRY_IMAGE:latest || true
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- >
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docker build
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--pull
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--build-arg GITLAB_USER=gitlab-ci-token
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--build-arg GITLAB_PASS=$CI_JOB_TOKEN
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--cache-from $CI_REGISTRY_IMAGE:latest
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--tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
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.
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- docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
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Push latest:
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variables:
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# We are just playing with Docker here.
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# We do not need GitLab to clone the source code.
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GIT_STRATEGY: none
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stage: push
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only:
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# Only "master" should be tagged "latest"
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- master
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script:
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# Because we have no guarantee that this job will be picked up by the same runner
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# that built the image in the previous step, we pull it again locally
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- docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
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# Then we tag it "latest"
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- docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA $CI_REGISTRY_IMAGE:latest
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# Annnd we push it.
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- docker push $CI_REGISTRY_IMAGE:latest
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# Finally, the goal here is to Docker tag any Git tag
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# GitLab will start a new pipeline everytime a Git tag is created, which is pretty awesome
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Push tag:
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variables:
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# Again, we do not need the source code here. Just playing with Docker.
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GIT_STRATEGY: none
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stage: push
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only:
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# We want this job to be run on tags only.
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- tags
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script:
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- docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
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- docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
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- docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
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