FROM bitnami/minideb:bullseye as builder

ARG TARGETARCH

ENV OS_ARCH="${TARGETARCH:-amd64}"

COPY prebuildfs /

SHELL ["/bin/bash", "-o", "pipefail", "-c"]

# Install required system packages and dependencies
RUN install_packages ca-certificates curl
RUN mkdir -p /tmp/bitnami/pkg/cache/ && cd /tmp/bitnami/pkg/cache/ && \
    COMPONENTS=( \
      "kube-rbac-proxy-0.14.1-1-linux-${OS_ARCH}-debian-11" \
    ) && \
    for COMPONENT in "${COMPONENTS[@]}"; do \
      if [ ! -f "${COMPONENT}.tar.gz" ]; then \
        curl -SsLf "https://downloads.bitnami.com/files/stacksmith/${COMPONENT}.tar.gz" -O ; \
        curl -SsLf "https://downloads.bitnami.com/files/stacksmith/${COMPONENT}.tar.gz.sha256" -O ; \
      fi && \
      sha256sum -c "${COMPONENT}.tar.gz.sha256" && \
      tar -zxf "${COMPONENT}.tar.gz" -C /opt/bitnami --strip-components=2 --no-same-owner --wildcards '*/files' && \
      rm -rf "${COMPONENT}".tar.gz{,.sha256} ; \
    done

######

FROM scratch

ARG TARGETARCH

ENV OS_ARCH="${TARGETARCH:-amd64}"

LABEL org.opencontainers.image.base.name="scratch" \
      org.opencontainers.image.created="2023-05-21T14:37:25Z" \
      org.opencontainers.image.description="Application packaged by VMware, Inc" \
      org.opencontainers.image.licenses="Apache-2.0" \
      org.opencontainers.image.ref.name="0.14.1-scratch-r1" \
      org.opencontainers.image.title="kube-rbac-proxy" \
      org.opencontainers.image.vendor="VMware, Inc." \
      org.opencontainers.image.version="0.14.1"

COPY prebuildfs /
COPY rootfs /
COPY --from=builder /opt/bitnami/kube-rbac-proxy/bin/kube-rbac-proxy /kube-rbac-proxy

USER 1001

ENTRYPOINT [ "/kube-rbac-proxy" ]