web: use certbot-auto

web/Dockerfile

@@ -1,12 +1,13 @@
 ARG JITSI_REPO=jitsi
 FROM ${JITSI_REPO}/base
 
+ADD https://dl.eff.org/certbot-auto /usr/local/bin/
+
 COPY rootfs/ /
 
 RUN \
 	apt-dpkg-wrap apt-get update && \
 	apt-dpkg-wrap apt-get install -y cron nginx-extras jitsi-meet-web && \
-	apt-dpkg-wrap apt-get install -y -t stretch-backports certbot && \
 	apt-dpkg-wrap apt-get -d install -y jitsi-meet-web-config && \
     dpkg -x /var/cache/apt/archives/jitsi-meet-web-config*.deb /tmp/pkg && \
     mv /tmp/pkg/usr/share/jitsi-meet-web-config/config.js /defaults && \
@@ -15,6 +16,10 @@ RUN \
 	rm -f /etc/nginx/conf.d/default.conf && \
 	rm -rf /tmp/pkg /var/cache/apt
 
+RUN \
+	chmod a+x /usr/local/bin/certbot-auto && \
+	certbot-auto --noninteractive --install-only
+
 EXPOSE 80 443
 
 VOLUME ["/config", "/etc/letsencrypt", "/usr/share/jitsi-meet/transcripts"]