Update Dockerfile

Author: AndrewMarchukov

Dockerfile

@@ -3,8 +3,8 @@ FROM alpine:latest
 COPY ./tracker-add-auto.sh /opt/tracker-add-auto.sh
 
 RUN apk add --update \
-        bash \ &&
-        rm -rf /var/cache/apk/* \ &&
+        bash && \
+        rm -rf /var/cache/apk/* && \
         chmod +x /opt/tracker-add-auto.sh
 
 USER guest