56 lines
1.5 KiB
Docker
56 lines
1.5 KiB
Docker
# syntax=docker/dockerfile:1
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ARG GO_VERSION="1.20"
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ARG PROTOC_VERSION="3.17.3"
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# protoc is dynamically linked to glibc so can't use alpine base
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FROM golang:${GO_VERSION}-bullseye AS base
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RUN apt-get update && apt-get --no-install-recommends install -y git unzip
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ARG PROTOC_VERSION
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ARG TARGETOS
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ARG TARGETARCH
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RUN <<EOT
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set -e
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arch=$(echo $TARGETARCH | sed -e s/amd64/x86_64/ -e s/arm64/aarch_64/)
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wget -q https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-${TARGETOS}-${arch}.zip
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unzip protoc-${PROTOC_VERSION}-${TARGETOS}-${arch}.zip -d /usr/local
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EOT
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WORKDIR /src
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FROM base AS vendored
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COPY go.mod go.sum ./
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RUN --mount=type=cache,target=/go/pkg/mod \
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go mod download
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FROM vendored AS tools
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RUN --mount=type=bind,target=. \
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--mount=type=cache,target=/go/pkg/mod \
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go install \
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google.golang.org/grpc/cmd/protoc-gen-go-grpc \
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google.golang.org/protobuf/cmd/protoc-gen-go
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FROM tools AS generate
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RUN --mount=type=bind,target=.,rw \
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--mount=type=cache,target=/go/pkg/mod <<EOT
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set -e
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go generate -v ./...
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mkdir /out
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cp -Rf pb /out
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EOT
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FROM scratch AS update
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COPY --from=generate /out /
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FROM generate AS validate
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RUN --mount=type=bind,target=.,rw <<EOT
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set -e
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git add -A
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cp -rf /out/* .
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diff=$(git status --porcelain -- pb)
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if [ -n "$diff" ]; then
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echo >&2 'ERROR: Vendor result differs. Please vendor your package with "docker buildx bake gen"'
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echo "$diff"
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exit 1
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fi
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EOT
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