ipscout/Dockerfile at main · jonhadfield/ipscout · GitHub

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FROM --platform=linux/amd64 golang:1.22-bookworm AS base
ARG BUILD_SHA
ARG BUILD_TAG
ARG BUILD_DATE
WORKDIR /src

COPY ./  .

RUN apt-get update && \
    apt-get install -y git coreutils && \
    apt-get clean \
    && rm -rf /var/lib/apt/lists/*

ENV GOPROXY=https://proxy.golang.org
RUN --mount=type=cache,target=/go/pkg/mod \
    CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go mod download

FROM base AS builder
ARG BUILD_SHA
ARG BUILD_TAG
ARG BUILD_DATE
ENV CGO_ENABLED=0

RUN mkdir /app
COPY ./  /app/
WORKDIR /app
RUN echo "Building version: [$(BUILD_TAG)-$(BUILD_SHA)] $(BUILD_DATE) UTC"
RUN --mount=target=. \
    --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.cache/go-build \
    CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags "-s -w -X \"github.com/jonhadfield/ipscout/helpers.Version=[${BUILD_TAG}-${BUILD_SHA}] ${BUILD_DATE} UTC\" -X \"github.com/jonhadfield/ipscout/helpers.SemVer=${BUILD_TAG}\"" -o /out/ipscout \
    && chmod +x /out/ipscout

FROM --platform=linux/amd64 gcr.io/distroless/static-debian12:nonroot-amd64
LABEL maintainer="Jon Hadfield jon@lessknown.co.uk"

WORKDIR /app
COPY --from=builder /out/ipscout /app/ipscout

ENTRYPOINT ["/app/ipscout"]