Dockerfile

# Build the manager binary
FROM golang:1.23-alpine 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 ./ /workspace/
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on GOTOOLCHAIN=local go build -a -o metal-token-rotate main.go

# Use distroless as minimal base image to package the manager binary
# Refer to https://github.com/GoogleContainerTools/distroless for more details
FROM gcr.io/distroless/static:nonroot
WORKDIR /
LABEL source_repository="https://github.com/ironcore-dev/metal-token-rotate"
COPY --from=builder /workspace/metal-token-rotate .
USER nonroot:nonroot

ENTRYPOINT ["/metal-token-rotate"]