Adds debian tar to distroless image

Inlcudes `tar` and its transitive dependencies to the distrol image
in order to address #29262

build.assets/charts/Dockerfile-distroless

@@ -1,9 +1,9 @@
 ARG BASE_IMAGE=gcr.io/distroless/cc-debian11
 
 FROM debian:11 AS staging
-RUN apt-get update 
-COPY fetch-debs ./
-RUN ./fetch-debs dumb-init libpam0g libaudit1 libcap-ng0
+RUN apt-get update
+RUN --mount=type=bind,target=/context \
+    /context/fetch-debs dumb-init libpam0g libaudit1 libcap-ng0 libacl1 libselinux1 libpcre2-8-0 tar
 
 FROM debian:11 AS teleport
 # Install the teleport binary from an architecture-specific debian package. Note
@@ -21,8 +21,8 @@ ARG TELEPORT_VERSION
 # TARGETARCH is supplied by the `buildx` mechanics
 ARG TARGETARCH
 ENV TELEPORT_DEB_FILE_NAME=teleport${TELEPORT_RELEASE_INFIX}_${TELEPORT_VERSION}${TELEPORT_FIPS_INFIX}_${TARGETARCH}.deb
-COPY $TELEPORT_DEB_FILE_NAME ./$TELEPORT_DEB_FILE_NAME
-RUN dpkg-deb -R $TELEPORT_DEB_FILE_NAME /opt/staging && \
+RUN --mount=type=bind,target=/context \
+    dpkg-deb -R /context/${TELEPORT_DEB_FILE_NAME} /opt/staging && \
     mkdir -p /opt/staging/etc/teleport && \
     mkdir -p /opt/staging/var/lib/dpkg/status.d/ && \
     mv /opt/staging/DEBIAN/control /opt/staging/var/lib/dpkg/status.d/teleport && \
@@ -32,4 +32,4 @@ FROM $BASE_IMAGE
 COPY --from=teleport /opt/staging /
 COPY --from=staging /opt/staging/root /
 COPY --from=staging /opt/staging/status /var/lib/dpkg/status.d
-ENTRYPOINT ["/usr/bin/dumb-init", "/usr/local/bin/teleport", "start", "-c", "/etc/teleport/teleport.yaml"]
+ENTRYPOINT ["/usr/bin/dumb-init", "/usr/local/bin/teleport", "start", "-c", "/etc/teleport/teleport.yaml"]

build.assets/charts/fetch-debs

@@ -1,4 +1,5 @@
 #!/bin/bash 
+set -e
 mkdir -p /opt/staging/root
 mkdir -p /opt/staging/status
 
@@ -8,4 +9,7 @@ for pkg in "$@"; do
     rm -r /tmp/$pkg/DEBIAN
     cp -r /tmp/$pkg/* /opt/staging/root
     rm -rf /tmp/$pkg
-done
+done
+
+rm -rf /opt/staging/root/usr/share/locale
+rm -rf /opt/staging/root/usr/share/doc