31 lines
1.1 KiB
YAML
31 lines
1.1 KiB
YAML
# Build a Docker image with CI/CD and push to the GitLab registry.
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# Docker-in-Docker documentation: https://docs.gitlab.com/ee/ci/docker/using_docker_build.html
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#
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# This template uses one generic job with conditional builds
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# for the default branch and all other (MR) branches.
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docker-build:
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# Use the official docker image.
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image: docker:latest
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stage: build
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services:
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- docker:dind
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before_script:
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- docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
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# Default branch leaves tag empty (= latest tag)
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# All other branches are tagged with the escaped branch name (commit ref slug)
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script:
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- |
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if [[ "$CI_COMMIT_BRANCH" == "$CI_DEFAULT_BRANCH" ]]; then
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tag=""
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echo "Running on default branch '$CI_DEFAULT_BRANCH': tag = 'latest'"
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else
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tag=":$CI_COMMIT_REF_SLUG"
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echo "Running on branch '$CI_COMMIT_BRANCH': tag = $tag"
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fi
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- docker build --pull -t "$CI_REGISTRY_IMAGE${tag}" .
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- docker push "$CI_REGISTRY_IMAGE${tag}"
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# Run this job in a branch where a Dockerfile exists
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rules:
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- if: $CI_COMMIT_BRANCH
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exists:
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- Dockerfile
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