Add Clamav Signatures and comments

Dockerfile

@@ -3,15 +3,24 @@ ARG PUID=1001
 ARG PGID=1001
 
 MAINTAINER tabledevil
-
+#install clamav
 RUN apk add -u clamav
 RUN apk add -u clamav-dev
 RUN apk add -u freshclam
+RUN apk add -u bash
+#update clamav signatures
 RUN freshclam
+#add abuse.ch signatures
+ADD https://urlhaus.abuse.ch/downloads/urlhaus.ndb /var/lib/clamav/urlhaus.ndb
+RUN chown clamav:clamav /var/lib/clamav/urlhaus.ndb
+RUN chmod 644 /var/lib/clamav/urlhaus.ndb
+#add startscript
 ADD start.sh /start.sh
 RUN chmod +x /start.sh
+#customize clamav config
 RUN sed -ie 's/#DetectPUA yes/DetectPUA yes/p' /etc/clamav/clamd.conf
 RUN sed -ie 's/#AlertOLE2Macros yes/AlertOLE2Macros yes/p' /etc/clamav/clamd.conf
+#add user
 RUN addgroup -g ${PGID} user && \
     adduser -D -u ${PUID} -G user user
 ENTRYPOINT ["/start.sh"]