Distroless fix (#6)

Author: bfichter

build/Dockerfile.distroless

@@ -173,10 +173,15 @@ RUN \
 # https://github.com/arachnys/athenapdf/commit/ba25a8d80a25d08d58865519c4cd8756dc9a336d.
 COPY build/fonts.conf /etc/fonts/conf.d/100-gotenberg.conf
 
+# ----------------------------------------------
+# Python copy stage
+# ----------------------------------------------
+FROM public.ecr.aws/j9h1x6x3/distroless-python:latest AS python-source
+
 # ----------------------------------------------
 # Final stage
 # ----------------------------------------------
-FROM public.ecr.aws/j9h1x6x3/distroless-python:latest AS base
+FROM gcr.io/distroless/cc-debian12:latest AS base
 
 # Set platform-specific CHIPSET_ARCH
 FROM base AS base-amd64
@@ -190,6 +195,11 @@ ARG CHIPSET_ARCH=aarch64-linux-gnu
 ARG TARGETARCH
 FROM base-${TARGETARCH}
 
+# Required for unoconverter
+COPY --from=python-source /usr/local/bin/python /usr/bin/python
+COPY --from=python-source /usr/local/bin/python /usr/bin/python3
+COPY --from=python-source /usr/local/bin/python /usr/bin/python3.11
+
 ENV PYTHONPATH="/usr/local/lib/python3.11/dist-packages:"
 
 # LibreOffice dependencies