Use the tubesync-basestage

Dockerfile

@@ -20,6 +20,36 @@ ARG FFMPEG_CHECKSUM_ALGORITHM="sha256"
 ARG S6_CHECKSUM_ALGORITHM="sha256"
 
 
+FROM debian:${DEBIAN_VERSION} AS tubesync-base
+
+ARG TARGETARCH
+
+ENV DEBIAN_FRONTEND="noninteractive" \
+    HOME="/root" \
+    LANGUAGE="en_US.UTF-8" \
+    LANG="en_US.UTF-8" \
+    LC_ALL="en_US.UTF-8" \
+    TERM="xterm" \
+    # Do not include compiled byte-code
+    PIP_NO_COMPILE=1 \
+    PIP_ROOT_USER_ACTION='ignore'
+
+RUN --mount=type=cache,id=apt-lib-cache-${TARGETARCH},sharing=private,target=/var/lib/apt \
+    --mount=type=cache,id=apt-cache-cache,sharing=private,target=/var/cache/apt \
+    # to be careful, ensure that these files aren't from a different architecture
+    rm -f /var/cache/apt/*cache.bin ; \
+    # Update from the network and keep cache
+    rm -f /etc/apt/apt.conf.d/docker-clean ; \
+    set -x && \
+    apt-get update && \
+    # Install locales
+    apt-get -y --no-install-recommends install locales && \
+    printf -- "en_US.UTF-8 UTF-8\n" > /etc/locale.gen && \
+    locale-gen en_US.UTF-8 && \
+    # Clean up
+    apt-get -y autopurge && \
+    apt-get -y autoclean
+
 FROM alpine:${ALPINE_VERSION} AS ffmpeg-download
 ARG FFMPEG_DATE
 ARG FFMPEG_VERSION
@@ -218,24 +248,13 @@ RUN set -eu ; \
 FROM scratch AS s6-overlay
 COPY --from=s6-overlay-extracted /s6-overlay-rootfs /
 
-FROM debian:${DEBIAN_VERSION} AS tubesync
+FROM tubesync-base AS tubesync
 
 ARG S6_VERSION
 
 ARG FFMPEG_DATE
 ARG FFMPEG_VERSION
 
-ENV DEBIAN_FRONTEND="noninteractive" \
-    HOME="/root" \
-    LANGUAGE="en_US.UTF-8" \
-    LANG="en_US.UTF-8" \
-    LC_ALL="en_US.UTF-8" \
-    TERM="xterm" \
-    # Do not include compiled byte-code
-    PIP_NO_COMPILE=1 \
-    PIP_ROOT_USER_ACTION='ignore' \
-    S6_CMD_WAIT_FOR_SERVICES_MAXTIME="0"
-
 ENV S6_VERSION="${S6_VERSION}" \
     FFMPEG_DATE="${FFMPEG_DATE}" \
     FFMPEG_VERSION="${FFMPEG_VERSION}"
@@ -388,6 +407,7 @@ HEALTHCHECK --interval=1m --timeout=10s --start-period=3m CMD ["/app/healthcheck
 # ENVS and ports
 ENV PYTHONPATH="/app" \
     PYTHONPYCACHEPREFIX="/config/cache/pycache" \
+    S6_CMD_WAIT_FOR_SERVICES_MAXTIME="0" \
     XDG_CACHE_HOME="/config/cache"
 EXPOSE 4848