[download-web/mirrorbits] Ensure /usr/share/GeoIP and /srv/ftp are volumes

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 12ebca9c257eaba902eb2563bf74eeb3db06a1c4
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Mon Dec 7 15:49:47 2020 +0100

    Ensure /usr/share/GeoIP and /srv/ftp are volumes

 Dockerfile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/Dockerfile b/Dockerfile
index 055369b..0672123 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,9 +12,11 @@ RUN git clone https://github.com/etix/mirrorbits /go/mirrorbits && \
     make 
 
 FROM debian:buster-slim
-ENV DEBIAN_FRONTEND noninteractive
+VOLUME /usr/share/GeoIP
+VOLUME /srv/ftp
 EXPOSE 8080
 
+ENV DEBIAN_FRONTEND noninteractive
 RUN apt-get update -y && \
     apt-get install -y rsync && \
     rm -rf /var/lib/apt/lists/*
@@ -22,7 +24,7 @@ RUN apt-get update -y && \
 COPY --from=builder /go/bin/geoipupdate /usr/local/bin/
 COPY --from=builder /go/mirrorbits/bin/mirrorbits /usr/local/bin/
 
-RUN install -d /usr/share/GeoIP
+RUN install -d /usr/share/GeoIP /srv/ftp
 ADD entrypoint.sh /entrypoint.sh
 ADD mirrorbits.conf /etc/mirrorbits.conf