30 lines
642 B
Docker
30 lines
642 B
Docker
# syntax=docker/dockerfile:1.7
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FROM --platform=$BUILDPLATFORM golang:1.26-alpine3.23 AS build
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WORKDIR /workspace
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ARG TARGETOS
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ARG TARGETARCH
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COPY go.mod go.sum ./
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RUN --mount=type=cache,target=/go/pkg/mod \
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go mod download
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COPY . .
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RUN --mount=type=cache,target=/go/pkg/mod \
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--mount=type=cache,target=/root/.cache/go-build \
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CGO_ENABLED=0 \
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GOOS=$TARGETOS \
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GOARCH=$TARGETARCH \
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go build -trimpath -o /out/webhook -ldflags='-s -w' .
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FROM scratch
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COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
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COPY --from=build /out/webhook /usr/local/bin/webhook
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ENTRYPOINT ["/usr/local/bin/webhook"]
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