rewrote dockerfile for running as acmesh user and not root

Dockerfile

@@ -16,19 +16,37 @@ RUN apk update -f \
   && rm -rf /var/cache/apk/*
 
 ENV LE_CONFIG_HOME /acme.sh
-
+ENV UID 1000
+ENV GID 1000
 ARG AUTO_UPGRADE=1
 
 ENV AUTO_UPGRADE $AUTO_UPGRADE
 
+ENV SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.1.12/supercronic-linux-amd64 \
+    SUPERCRONIC=supercronic-linux-amd64 \
+    SUPERCRONIC_SHA1SUM=048b95b48b708983effb2e5c935a1ef8483d9e3e
+
 #Install
-ADD ./ /install_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/
+ADD ./ /home/acmesh/install_acme.sh/
+RUN curl -fsSLO "$SUPERCRONIC_URL" \
+ && echo "${SUPERCRONIC_SHA1SUM}  ${SUPERCRONIC}" | sha1sum -c - \
+ && chmod +x "$SUPERCRONIC" \
+ && mv "$SUPERCRONIC" "/usr/local/bin/${SUPERCRONIC}" \
+ && ln -s "/usr/local/bin/${SUPERCRONIC}" /usr/local/bin/supercronic
 
+RUN addgroup -S -g $GID acmesh && \
+    adduser -S -u $UID -G acmesh -s /bin/sh acmesh && \
+    mkdir /acme.sh && chown acmesh /acme.sh && \
+    chown -R acmesh /home/acmesh/install_acme.sh
 
-RUN ln -s  /root/.acme.sh/acme.sh  /usr/local/bin/acme.sh && crontab -l | grep acme.sh | sed 's#> /dev/null##' | crontab -
+USER acmesh
+RUN cd /home/acmesh/install_acme.sh && \
+/bin/sh /home/acmesh/install_acme.sh/acme.sh --install --nocron \
+ && rm -rf /home/acmesh/install_acme.sh/
 
-RUN for verb in help \
+USER root
+RUN ln -s  /home/acmesh/.acme.sh/acme.sh  /usr/local/bin/acme.sh && \
+for verb in help \
   version \
   install \
   uninstall \
@@ -58,17 +76,21 @@ RUN for verb in help \
   set-notify \
   set-default-ca \
   ; do \
-    printf -- "%b" "#!/usr/bin/env sh\n/root/.acme.sh/acme.sh --${verb} --config-home /acme.sh \"\$@\"" >/usr/local/bin/--${verb} && chmod +x /usr/local/bin/--${verb} \
+     printf -- "%b" "#!/usr/bin/env sh\n/home/acmesh/.acme.sh/acme.sh --${verb} --config-home /acme.sh \"\$@\"" >/usr/local/bin/--${verb} && chmod +x /usr/local/bin/--${verb} \
   ; done
 
+RUN printf "%b" "$((1 + $RANDOM % 60))  0 * * * /bin/sh /home/acmesh/.acme.sh/acme.sh --cron --config-home /acme.sh \n" > /acme_crontab && chmod a+r /acme_crontab
+
+
 RUN printf "%b" '#!'"/usr/bin/env sh\n \
 if [ \"\$1\" = \"daemon\" ];  then \n \
- trap \"echo stop && killall crond && exit 0\" SIGTERM SIGINT \n \
- crond && while true; do sleep 1; done;\n \
+ trap \"pkill supercronic\" SIGTERM SIGINT \n \
+ exec supercronic /acme_cron.tab \n \
 else \n \
  exec -- \"\$@\"\n \
-fi" >/entry.sh && chmod +x /entry.sh
+fi" >/entry.sh && chmod a+x /entry.sh
 
+USER acmesh
 VOLUME /acme.sh
 
 ENTRYPOINT ["/entry.sh"]