Improve Readme

README.md

@@ -50,7 +50,8 @@ If you want, you can also add this config snippet to all your nodes and add your
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     sudo aptitude install cryptsetup
-    sudo fdisk /dev/sdX
+    #sudo fdisk /dev/sdX
+    sudo parted /dev/sdX
     sudo cryptsetup --verify-passphrase luksFormat /dev/sdX1 -c aes -s 256 -h sha256
     sudo cryptsetup luksOpen /dev/sdX1 volumes
     sudo mkfs -t ext4 -m 1 -O dir_index,sparse_super /dev/mapper/volumes
@@ -185,6 +186,9 @@ If you add or modify a service, you can update it running:
 
     docker-compose build && docker-compose -p dhs up -d <your-service>
 
+If you want to re-create an image and restart the service you can run:
+
+    docker-compose --compatibility -p dhs up -d --no-deps --build <your-service>
 
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