Initial commit

.dockerignore

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+**.gitkeep

.gitignore

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+.idea/

Dockerfile

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+FROM nlss/base-alpine
+
+WORKDIR "/chrony"
+
+RUN apk add --update --upgrade --no-cache chrony
+COPY ["rootfs", "/"]
+
+HEALTHCHECK --interval=30s --timeout=5s CMD chronyc tracking > /dev/null
+
+VOLUME ["/chrony/data"]
+
+EXPOSE 123/UDP

Dockerfile.dev

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+FROM local/chronyd
+
+RUN apk add --update --no-cache nano bash

LICENSE

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+MIT License
+
+Copyright (c) 2020 N0rthern L1ghts
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+Dockerized chrony server

build-dev.sh

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+#!/usr/bin/env sh
+set -e
+
+# Build development friendly image with addition of nano and bash.
+
+docker build -t local/nlss-chronyd .
+docker build -t local/nlss-chronyd:dev . -f Dockerfile.dev

rootfs/chrony/chrony.conf

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+/etc/chrony/chrony.conf

rootfs/etc/chrony/chrony.conf

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+# General
+pool pool.ntp.org iburst
+initstepslew 10 pool.ntp.org
+makestep 1.0 3
+#leapsectz right/UTC
+driftfile /chrony/data/chrony.drift
+dumponexit
+dumpdir /chrony/data/dump
+rtcsync
+
+# Server
+allow
+clientloglimit 100000000
+ratelimit interval 3 burst 8 leak 2
+
+# NIC needs support (ethtool -T | grep 'STAMP')
+hwtimestamp *

rootfs/etc/fix-attrs.d/10-user-home

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+/chronyd true chrony:chrony 2770 2770

rootfs/etc/services.d/chronyd/run

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+#!/bin/execlineb -P
+/usr/sbin/chronyd -d -m -u chrony