-FROM alpine
+FROM alpine:3.9
RUN apk update -f \
&& apk --no-cache add -f \
openssl \
+ coreutils \
+ bind-tools \
curl \
socat \
+ tzdata \
&& rm -rf /var/cache/apk/*
ENV LE_CONFIG_HOME /acme.sh
RUN cd /install_acme.sh && ([ -f /install_acme.sh/acme.sh ] && /install_acme.sh/acme.sh --install || curl https://get.acme.sh | sh) && rm -rf /install_acme.sh/
-RUN ln -s /root/.acme.sh/acme.sh /usr/local/bin/acme.sh && crontab -l | sed 's#> /dev/null##' | crontab -
+RUN ln -s /root/.acme.sh/acme.sh /usr/local/bin/acme.sh && crontab -l | grep acme.sh | sed 's#> /dev/null##' | crontab -
RUN for verb in help \
version \