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Dockerfile
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# Build the manager binary
FROM registry.access.redhat.com/ubi8/go-toolset:1.22.7-5 as base
WORKDIR /workspace
COPY go.mod go.mod
COPY go.sum go.sum
RUN go mod download
COPY main.go main.go
COPY api/ api/
COPY controllers/ controllers/
USER 0
RUN CGO_ENABLED=0 GOOS=linux go build -o manager main.go
RUN rm main.go
RUN rm -rf api
RUN rm -rf controllers
# Build the manager binary
FROM base as builder
WORKDIR /workspace
# Copy the Go Modules manifests
COPY go.mod go.mod
COPY go.sum go.sum
# cache deps before building and copying source so that we don't need to re-download as much
# and so that source changes don't invalidate our downloaded layer
RUN go mod download
# Copy the go source
COPY main.go main.go
COPY api/ api/
COPY controllers/ controllers/
# Build
RUN CGO_ENABLED=0 GOOS=linux go build -o manager main.go
FROM registry.access.redhat.com/ubi8/ubi-minimal:8.10-1130
WORKDIR /
COPY licenses/ licenses/
COPY --from=builder /workspace/manager .
USER 65534:65534
ENTRYPOINT ["/manager"]