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build: switch to go cross compilation #586

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merged 1 commit into from
Dec 21, 2023
Merged

build: switch to go cross compilation #586

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21 changes: 16 additions & 5 deletions Dockerfile.alpine
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Original file line number Diff line number Diff line change
@@ -1,19 +1,30 @@
ARG DOCKER_GEN_VERSION=main

# Build docker-gen from scratch
FROM golang:1.20.12-alpine as go-builder
FROM --platform=$BUILDPLATFORM golang:1.20.12-alpine as go-builder

ENV CGO_ENABLED=0

ARG DOCKER_GEN_VERSION TARGETOS TARGETARCH TARGETVARIANT
ENV GOOS=$TARGETOS GOARCH=$TARGETARCH VARIANT=$TARGETVARIANT

ARG DOCKER_GEN_VERSION
WORKDIR /build

# Install the dependencies
COPY . .
RUN go mod download

# Build the docker-gen executable
RUN GOOS=linux CGO_ENABLED=0 go build -ldflags "-X main.buildVersion=${DOCKER_GEN_VERSION}" -o docker-gen ./cmd/docker-gen

FROM alpine:3.19.0
RUN set -eux; \
case "$GOARCH" in \
arm) export GOARM="${VARIANT#v}" ;; \
amd64) export GOAMD64="$VARIANT" ;; \
*) [ -z "$VARIANT" ] ;; \
esac; \
go env | grep -E 'OS=|ARCH=|ARM=|AMD64='; \
go build -ldflags "-X main.buildVersion=${DOCKER_GEN_VERSION}" -o docker-gen ./cmd/docker-gen

FROM --platform=$TARGETPLATFORM alpine:3.19.0

ARG DOCKER_GEN_VERSION
ENV DOCKER_GEN_VERSION=${DOCKER_GEN_VERSION} \
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22 changes: 16 additions & 6 deletions Dockerfile.debian
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Original file line number Diff line number Diff line change
@@ -1,9 +1,12 @@
ARG DOCKER_GEN_VERSION=main

# Build docker-gen from scratch
FROM golang:1.20.12 as go-builder
FROM --platform=$BUILDPLATFORM golang:1.20.12 as go-builder

ARG DOCKER_GEN_VERSION
ENV CGO_ENABLED=0

ARG DOCKER_GEN_VERSION TARGETOS TARGETARCH TARGETVARIANT
ENV GOOS=$TARGETOS GOARCH=$TARGETARCH VARIANT=$TARGETVARIANT

WORKDIR /build

Expand All @@ -12,12 +15,19 @@ COPY . .
RUN go mod download

# Build the docker-gen executable
RUN GOOS=linux CGO_ENABLED=0 go build -ldflags "-X main.buildVersion=${DOCKER_GEN_VERSION}" -o docker-gen ./cmd/docker-gen
RUN set -eux; \
case "$GOARCH" in \
arm) export GOARM="${VARIANT#v}" ;; \
amd64) export GOAMD64="$VARIANT" ;; \
*) [ -z "$VARIANT" ] ;; \
esac; \
go env | grep -E 'OS=|ARCH=|ARM=|AMD64='; \
go build -ldflags "-X main.buildVersion=${DOCKER_GEN_VERSION}" -o docker-gen ./cmd/docker-gen

FROM debian:12.4-slim
FROM --platform=$TARGETPLATFORM debian:12.4-slim

ARG VERSION
ENV DOCKER_GEN_VERSION=${VERSION} \
ARG DOCKER_GEN_VERSION
ENV DOCKER_GEN_VERSION=${DOCKER_GEN_VERSION} \
DOCKER_HOST=unix:///tmp/docker.sock

# Install packages required by the image
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