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Update dockerfile to start supporting multi-arch builds #690

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Merged
merged 2 commits into from
Jul 14, 2025
Merged

Update dockerfile to start supporting multi-arch builds #690

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Update dockerfile to start supporting multi-arch builds
AjayJagan Jul 2, 2025
b04b040
Separate args
AjayJagan Jul 10, 2025
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28 changes: 5 additions & 23 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,25 +1,8 @@
# Build the manager binary
FROM registry.access.redhat.com/ubi9/go-toolset:1.23 AS builder

# BEGIN -- workaround lack of go-toolset for golang 1.23
ARG GOLANG_IMAGE=docker.io/library/golang:1.23
FROM ${GOLANG_IMAGE} AS golang

FROM registry.access.redhat.com/ubi8/ubi@sha256:fd3bf22d0593e2ed26a1c74ce161c52295711a67de677b5938c87704237e49b0 AS builder
ARG GOLANG_VERSION=1.23.0

# Install system dependencies
RUN dnf upgrade -y && dnf install -y \
gcc \
make \
openssl-devel \
git \
&& dnf clean all && rm -rf /var/cache/yum

# Install Go
ENV PATH=/usr/local/go/bin:$PATH

COPY --from=golang /usr/local/go /usr/local/go
# End of Go versioning workaround
ARG TARGETOS
ARG TARGETARCH

WORKDIR /workspace
# Copy the Go Modules manifests
Expand All @@ -32,11 +15,10 @@ RUN go mod download
COPY main.go main.go
COPY pkg/ pkg/

# Build
USER root
RUN CGO_ENABLED=1 GOOS=linux GOARCH=${GOARCH} make go-build-for-image
RUN CGO_ENABLED=1 GOOS=linux GOARCH=${TARGETARCH:-amd64} make go-build-for-image

FROM registry.access.redhat.com/ubi8/ubi-minimal:8.8
FROM registry.access.redhat.com/ubi9/ubi-minimal:latest
WORKDIR /
COPY --from=builder /workspace/manager .

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