38 lines
2.1 KiB
Plaintext
38 lines
2.1 KiB
Plaintext
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# This Dockerfile is not intended for general use, but is rather used to
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# package up official Terraform releases (from releases.hashicorp.com) to
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# release on Dockerhub as the "light" release images.
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#
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# The main Dockerfile in the root of the repository is more generally-useful,
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# since it is able to build a docker image of the current state of the work
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# tree, without any dependency on there being an existing release on
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# releases.hashicorp.com.
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FROM alpine:latest
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MAINTAINER "HashiCorp Terraform Team <terraform@hashicorp.com>"
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# This is intended to be run from the hooks/build script, which sets this
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# appropriately based on git tags.
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ARG TERRAFORM_VERSION=UNSPECIFIED
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COPY releases_public_key .
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# What's going on here?
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# - Download the indicated release along with its checksums and signature for the checksums
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# - Verify that the checksums file is signed by the Hashicorp releases key
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# - Verify that the zip file matches the expected checksum
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# - Extract the zip file so it can be run
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RUN echo Building image for Terraform ${TERRAFORM_VERSION} && \
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apk add --update git curl openssh gnupg && \
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curl https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip > terraform_${TERRAFORM_VERSION}_linux_amd64.zip && \
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curl https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_SHA256SUMS.sig > terraform_${TERRAFORM_VERSION}_SHA256SUMS.sig && \
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curl https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_SHA256SUMS > terraform_${TERRAFORM_VERSION}_SHA256SUMS && \
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gpg --import releases_public_key && \
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gpg --verify terraform_${TERRAFORM_VERSION}_SHA256SUMS.sig terraform_${TERRAFORM_VERSION}_SHA256SUMS && \
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grep linux_amd64 terraform_${TERRAFORM_VERSION}_SHA256SUMS >terraform_${TERRAFORM_VERSION}_SHA256SUMS_linux_amd64 && \
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sha256sum -cs terraform_${TERRAFORM_VERSION}_SHA256SUMS_linux_amd64 && \
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unzip terraform_${TERRAFORM_VERSION}_linux_amd64.zip -d /bin && \
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rm -f terraform_${TERRAFORM_VERSION}_linux_amd64.zip terraform_${TERRAFORM_VERSION}_SHA256SUMS*
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ENTRYPOINT ["/bin/terraform"]
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