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I am trying to set an environment variable in a docker image via a cloudbuild.yaml for Google Cloud Build

Here is the sample cloudbuild.yaml:

steps:
      - name: "gcr.io/cloud-builders/docker"
        args: ["run", "--rm", "--volume=/foo:/bar", "--privileged", "-e FOO=bar", "my/build:latest", "/root/init_build.sh" ]
timeout: "600s"

When I run on the command line locally and pass the environment variables into the container, it works as expected. However, when I trigger a build in Cloud Build, the environment variable doesn't get set in the container.

Thank you in advance for any guidance.

Andrew Steiger
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1 Answers1

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I was able to get the result I was looking for by doing the following:

steps:
  - name: "gcr.io/cloud-builders/docker"
    entrypoint: "bash"
    args: ["-c", "docker run --rm --volume=/workspace:/srv/jekyll --privileged -e FOO=bar my/build:latest /root/init_build.sh" ]
timeout: "600s"

Take a look at the Docker commandline reference and this StackOverflow post for more information

Andrew Steiger
  • 41
  • 3
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