Cron is added for automated certificate renew

Dockerfile

@@ -1,12 +1,17 @@
 FROM alpine:latest
 MAINTAINER Blagovest Petrov
 
-RUN apk --no-cache add curl openssl bash git
-RUN git clone https://github.com/lukas2511/dehydrated.git /dehydrated
-RUN apk del git
+ENV WELLKNOWN /srv/acme-challenge
+ENV BASEDIR /srv/data
 
-WORKDIR /dehydrated
-CMD ./dehydrated --register --accept-terms && ./dehydrated -c -d $CF_HOST
+RUN apk --no-cache add curl openssl bash tini
+RUN && curl -o /usr/local/bin/dehydrated https://raw.githubusercontent.com/lukas2511/dehydrated/master/dehydrated && \
+        chmod +x /usr/local/bin/dehydrated
 
+COPY ./cron /etc/periodic/daily
 
-VOLUME /dehydrated/certs
+VOLUME /srv/data
+WORKDIR /srv/data
+
+ENTRYPOINT ["/sbin/tini", "--", "/entrypoint.sh"]
+CMD ["/usr/sbin/crond", "-f"]

cron

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+exec /usr/local/bin/dehydrated --register --accept-terms
+exec /usr/local/bin/dehydrated -c -d $DOMAINS

entrypoint.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+crond