Switch to s6-overlay, add cron (and cronjobs), syslog.

Dockerfile

@@ -19,7 +19,8 @@ RUN apk add --no-cache \
     perl-utils \
     python3 \
     python3-dev \
-    s6 \
+    s6-overlay \
+    s6-overlay-syslogd \
     shadow \
     sqlite-dev \
     ssmtp \
@@ -46,16 +47,14 @@ RUN mkdir /src && cd /src && \
     mv /inn2/spool /inn2/spool-default && \
     rm -rf /src
 
-COPY configuration /etc
-COPY start-innd.sh /start-innd
+COPY etc /etc
 
-RUN groupmod -g 600 news && usermod -u 600 -g 600 -d /inn2 news && chown -R news:news /inn2 && chown -R news:news /etc/s6
+RUN groupmod -g 600 news && usermod -u 600 -g 600 -d /inn2 news && chown -R news:news /inn2 && chown -R news:news /etc/cont-init.d /etc/services.d
 
 WORKDIR /inn2
 ENV PATH=/inn2/bin:$PATH
-USER news
 EXPOSE 119
 EXPOSE 563
 VOLUME [ "/inn2/db", "/inn2/spool", "/inn2/log" ]
 
-CMD ["/usr/bin/s6-svscan", "/etc/s6"]
+ENTRYPOINT [ "/init" ]