dagger/docs/getting-started/1201-ci-environment.md

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Integrating with your CI environment

Dagger can be used with any CI environment (no migration required) and has two important advantages which make the overall experience less error-prone and more efficient:

1. You don't write YAML, you write CUE - typed configuration with built-in formatting
2. Configuration is executed in BuildKit, the execution engine at the heart of Docker

This makes any CI environment with Docker pre-installed work with Dagger out of the box. We started with CI environments that you told us you are using. We will configure a production deployment for the same application that we covered in the previous page.

:::note If you cannot find your CI environment below, let us know via this GitHub discussion. :::

import Tabs from '@theme/Tabs'; import TabItem from '@theme/TabItem';

<Tabs defaultValue="github-actions" groupId="ci-environment" values={[ {label: 'GitHub Actions', value: 'github-actions'}, {label: 'CircleCI', value: 'circleci'}, {label: 'GitLab', value: 'gitlab'}, {label: 'Jenkins', value: 'jenkins'}, {label: 'Tekton', value: 'tekton'}, ]}>

If you would like us to document CircleCI next, vote for it here: dagger#1677

.docker:
    image: docker:${DOCKER_VERSION}-git
    services:
        - docker:${DOCKER_VERSION}-dind
    variables:
        # See https://docs.gitlab.com/ee/ci/docker/using_docker_build.html#docker-in-docker-with-tls-enabled-in-the-docker-executor
        DOCKER_HOST: tcp://docker:2376

        DOCKER_TLS_VERIFY: '1'
        DOCKER_TLS_CERTDIR: '/certs'
        DOCKER_CERT_PATH: '/certs/client'

        # Faster than the default, apparently
        DOCKER_DRIVER: overlay2

        DOCKER_VERSION: '20.10'

.dagger:
    extends: [.docker]
    variables:
        DAGGER_VERSION: 0.2.4
        DAGGER_LOG_FORMAT: plain
        DAGGER_CACHE_PATH: .dagger-cache

        ARGS: ''
    cache:
        key: dagger-${CI_JOB_NAME}
        paths:
            - ${DAGGER_CACHE_PATH}
    before_script:
        - apk add --no-cache curl
        - |
            # install dagger
            cd /usr/local
            curl -L https://dl.dagger.io/dagger/install.sh | sh
            cd -

            dagger version            
    script:
        - dagger project update
        - |
            dagger \
                do \
                --cache-from type=local,src=${DAGGER_CACHE_PATH} \
                --cache-to type=local,mode=max,dest=${DAGGER_CACHE_PATH} \
                ${ARGS}            

build:
    extends: [.dagger]
    variables:
        ARGS: build

If you would like us to document Jenkins next, vote for it here: dagger#1677

If you would like us to document Tekton next, vote for it here: dagger#1677