reduced layers, made compose file pull instead of building

Dockerfile

@@ -1,9 +1,6 @@
 FROM ubuntu:latest
 
-RUN apt-get update
-RUN apt-get install -y curl lsb-release 
-RUN apt-get install -y zfs-dkms zfsutils-linux
-RUN apt-get -y update
+RUN apt-get update && apt-get install -y curl lsb-release zfs-dkms zfsutils-linux && apt-get -y update
 RUN rm -rf /var/lib/apt/lists/*
 
 ENV zfswatcher_package="zfswatcher_0.4.6-1_amd64.deb" \

docker-compose.yml

@@ -2,8 +2,8 @@ version: '2'
 
 services:
   zfswatcher:
+    container_name: zfswatcher
     image: pectojin/zfswatcher:latest
-    build: .
     volumes:
       - /etc/zfswatcher:/zfswatcher_config:rw
       - /var/log/zfswatcher/zfswatcher.log:/var/log/zfswatcher/zfswatcher.log:rw