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Dockerfile
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# Build the manager binary
FROM --platform=$BUILDPLATFORM golang:1.22.5 as builder
ARG GOARCH=''
WORKDIR /workspace
# Copy the Go Modules manifests
COPY go.mod go.mod
COPY go.sum go.sum
# cache deps before building and copying source so that we don't need to re-download as much
# and so that source changes don't invalidate our downloaded layer
RUN --mount=type=cache,target=/root/.cache/go-build \
--mount=type=cache,target=/go/pkg \
go mod download
RUN go install github.com/rakyll/statik@latest
# Copy the go source
COPY main.go main.go
COPY pkg/ pkg/
COPY cmd/ cmd/
COPY statik/ statik/
COPY web/ web/
ARG TARGETOS
ARG TARGETARCH
# Build
RUN --mount=type=cache,target=/root/.cache/go-build \
--mount=type=cache,target=/go/pkg \
CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH GO111MODULE=on go build -ldflags="-s -w" -a -o garden-universe main.go
FROM alpine:3.20.1
RUN apk --no-cache add ca-certificates
WORKDIR /
COPY --from=builder /workspace/garden-universe .
USER 65532:65532
ENTRYPOINT [ "/garden-universe"]