Buildspec file, pass env var to Dockerfile?
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Hi, I have a buildspec file. In prebuild I got: pre_build: commands: IMAGE_TAG=$(cd src && git rev-parse HEAD | cut -c 1-7)
Then I have a build phase and in Dockerfile I have command go build, how to pass it rev-parse HEAD from pre_build to Dockerfile?
Dockefile is building in a separate container which is not seeing git rev-parse HEAD from pre_build phase.
RUN go build -v -ldflags=" -X 'main.BuildSha=$(git rev-parse HEAD)'"
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asked 3 years ago386 views
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Hi,
You should use the the ARG option in Dockerfile along with --build-arg when building the image. You might find this blog helpful - https://blog.bitsrc.io/how-to-pass-environment-info-during-docker-builds-1f7c5566dd0e
--Syd
answered 3 years ago
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