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Feature/support build arm64 docker #38

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3ab5e84
support build arm64 docker image
Sep 10, 2025
1570d04
dockerfile: use golang cross arch build
Sep 16, 2025
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1 change: 1 addition & 0 deletions .github/workflows/publish.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ jobs:
uses: docker/build-push-action@v4
with:
context: .
platforms: linux/amd64,linux/arm64
build-args: |
KOMPANION_VERSION=${{ steps.get_tag.outputs.TAG }}
push: true
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12 changes: 7 additions & 5 deletions Dockerfile
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@@ -1,11 +1,11 @@
# Step 1: Modules caching
FROM golang:1.22.5-alpine as modules
FROM --platform=${BUILDPLATFORM} golang:1.22.5-alpine as modules
COPY go.mod go.sum /modules/
WORKDIR /modules
RUN go mod download

# Step 2: Builder
FROM golang:1.22.5-alpine as builder
FROM --platform=${BUILDPLATFORM} golang:1.22.5-alpine as builder
RUN apk add --update gcc musl-dev
COPY --from=modules /go/pkg /go/pkg
COPY . /app
Expand All @@ -14,11 +14,13 @@ WORKDIR /app
ARG KOMPANION_VERSION=local
ENV KOMPANION_VERSION=$KOMPANION_VERSION

RUN GOOS=linux GOARCH=amd64 \
go build -ldflags "-X main.Version=$KOMPANION_VERSION" -tags migrate -o /bin/app ./cmd/app
ARG TARGETARCH
RUN GOOS=linux GOARCH=${TARGETARCH:-amd64} \
go build -ldflags "-X main.Version=$KOMPANION_VERSION" -tags migrate -o /bin/app ./cmd/app


# Step 3: Final
FROM golang:1.22.5-alpine
FROM --platform=${TARGETPLATFORM} golang:1.22.5-alpine
ENV GIN_MODE=release

WORKDIR /
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