Added the missing containers from rpi-docker-images

mopidy/Dockerfile

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+FROM alpine:edge AS builder
+
+ARG TARGETPLATFORM
+
+RUN apk add --no-cache curl \
+	&& DOWNLOAD_ARCH=$(echo ${TARGETPLATFORM} | sed "s#linux/arm/v6#arm#" | sed "s#linux/arm/v7#armhf#" | sed "s#linux/arm64#aarch64#" | sed "s#linux/amd64#amd64#") \
+	&& echo "DOWNLOAD_ARCH=${DOWNLOAD_ARCH}" \
+	&& S6_DOWNLOAD_URL=$(curl -s https://api.github.com/repos/just-containers/s6-overlay/releases/latest | grep "browser_download_url" | grep "s6-overlay-${DOWNLOAD_ARCH}.tar.gz\"" | cut -d\" -f4) \
+	&& curl --retry 3 -L -s -o /tmp/s6-overlay.tar.gz $S6_DOWNLOAD_URL \
+	&& mkdir /tmp/s6-overlay \
+	&& tar xzf /tmp/s6-overlay.tar.gz -C /tmp/s6-overlay
+
+FROM alpine:edge
+
+RUN apk add --no-cache py3-pip mopidy \
+	&& echo "30 7 * * * mopidy local scan" | crontab -
+
+COPY --from=builder /tmp/s6-overlay /
+COPY etc /etc/
+
+ENTRYPOINT ["/init"]

mopidy/etc/cont-init.d/init-plugins.sh

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+#!/usr/bin/with-contenv sh
+
+if [ "$MOPIDY_PLUGINS" != "" ]; then
+	echo "Installing plugins $MOPIDY_PLUGINS"
+	pip3 install $MOPIDY_PLUGINS
+fi

mopidy/etc/services.d/crond/run

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+#!/bin/sh
+
+crond -f

mopidy/etc/services.d/mopidy/run

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+#!/usr/bin/execlineb -P
+
+mopidy