Fix Dockerfile and update readme

Dockerfile.arm

@@ -38,7 +38,7 @@ RUN curl -L "https://storage.googleapis.com/golang/go1.9.1.linux-armv6l.tar.gz"
   && unset GOROOT && unset GOPATH
 
 # goreman setup
-RUN echo "web: gosu aria /bin/busybox httpd -f -p 8080 -h /webui-aria2\nbackend: gosu aria /usr/bin/aria2c --conf-path=/home/aria/.aria2/aria2.conf" /data/downloads/*.torrent > Procfile
+RUN echo "web: gosu aria /bin/busybox httpd -f -p 8080 -h /webui-aria2\nbackend: gosu aria /usr/bin/aria2c --conf-path=/home/aria/.aria2/aria2.conf /data/downloads/*.torrent" > Procfile
 
 # aria2 downloads directory
 VOLUME /data/downloads

README.md

@@ -68,17 +68,22 @@ Build it (may take several hours due to the aria2 compilation process. Don't pan
 docker build -f Dockerfile.arm -t yourname/webui-aria2 .
 ```
 Prepare the host volume:
-This image required few file to be mounted in the container's `/data` folder.
+This image required few file to be mounted in the container.
 ```
-.aria2/session.txt  (empty file)
-.aria2/aria2.log    (empty file)
-.aria2/aria2.conf   (aria2 configuration file, not webui-aria2 conf) must contains at least `enable-rpc=true` and `rpc-listen-all=true`
-./downloads/        (where the downloaded files goes)
+/home/aria/aria2/session.txt  (empty file)
+/home/aria/aria2/aria2.log    (empty file)
+/home/aria/aria2/aria2.conf   (aria2 configuration file, not webui-aria2 conf) must contains at least `enable-rpc=true` and `rpc-listen-all=true`
+/data/downloads/        (where the downloaded files goes)
 ```
 
 Run it
 ```
-docker run --restart=always -d -v /home/<USER>/data/aria2:/data -p 6800:6800 -p 9100:8080 --name="webui-aria2" yourname/webui-aria2
+docker run --restart=always \
+        -v /home/<USER>/data/aria2/downloads:/data/downloads \
+        -v /home/<USER>/data/aria2/.aria2:/home/aria/.aria2 \
+        -p 6800:6800 -p 9100:8080 \
+        --name="webui-aria2" \
+        -d yourname/webui-aria2
 ```
 
 Support