Very crude dockerization experiment

docker/Dockerfile

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+FROM alpine:3.8
+
+RUN apk update && apk upgrade
+RUN apk add s6
+
+RUN apk add --no-cache nodejs npm --repository http://dl-cdn.alpinelinux.org/alpine/edge/main
+RUN npm i -g preserves
+ENV NODE_PATH=/usr/lib/node_modules
+
+# RUN apk add --no-cache daemontools --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing
+
+RUN apk add dbus avahi avahi-tools
+RUN rm -f /etc/avahi/services/*
+
+RUN mkdir -p /run/service
+ADD service /run/service
+
+WORKDIR /run/service
+CMD ["s6-svscan", "-St1000", "/run/service"]

docker/build-docker.sh

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+#!/bin/sh
+docker build -t syndicate-js "$(dirname "$0")"

docker/cleanup

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+#!/bin/sh
+cd "$(dirname "$0")"
+sudo rm -rf service/.s6-svscan/control
+sudo rm -rf service/.s6-svscan/lock
+sudo rm -rf service/*/event/
+sudo rm -rf service/*/supervise/

docker/docker-broker.sh

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+#!/bin/sh
+dir="$(dirname "$0")/.."
+case "$dir" in
+    /*) ;;
+    *) dir="$(pwd)/${dir}" ;;
+esac
+
+networkname=dockerint
+if [ -z "$(docker network ls -qf name=${networkname})" ]
+then
+    docker network create --internal ${networkname}
+fi
+
+exec docker run -it --rm \
+     --network ${networkname} \
+     -v "${dir}":/data \
+     syndicate-js

docker/service/.s6-svscan/finish

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+#!/bin/sh
+kill -TERM -1
+while true
+do
+    running="$(ps a)"
+    if [ "$(echo "${running}" | wc -l)" = "3" ]
+    then
+        break
+    else
+        echo Waiting for services to shut down...
+        sleep 1
+    fi
+done

docker/service/avahi-daemon/run

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+#!/bin/sh
+s6-svwait ../dbus-daemon
+exec avahi-daemon

docker/service/dbus-daemon/run

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+#!/bin/sh
+exec dbus-daemon --system --nofork

docker/service/syndicate-broker/run

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+#!/bin/sh
+s6-svwait ../avahi-daemon
+cd /data/packages/broker
+exec node lib/index.js