doc: fix volume binding paths in README for GumTree

Updated volume binding paths in usage instructions for clarity.

Author: jrfaller

docker/README.md

@@ -9,11 +9,12 @@ You can also compile the image on your machine. Go to the root GumTree's folder
 ## Usage
 
 To use GumTree's image, You need to:
-* bind the "original" folder to the `/diff/left` volume of the container
-* bind the "modified" folder to the `/diff/right` volume of the container
+* bind the "original" folder to the `/left` volume of the container
+* bind the "modified" folder to the `/right` volume of the container
 * bind the port `4567` of the container to access GumTree's web interface
 
-The classical way to run a GumTree's container is the command `docker run --rm -v /my/original-folder:/diff/left -v /my/modified-folder:/diff/right -p 4567:4567 gumtreediff/gumtree webdiff left/ right/`. You can consult the diff at the URL `http://localhost:4567`. Of course, all other GumTree's commands are available.
+The classical way to run a GumTree's container is the command `docker run --rm -v /my/original-folder:/left -v /my/modified-folder:/right -p 4567:4567 gumtreediff/gumtree webdiff /left /right`.
+You can consult the diff at the URL `http://localhost:4567`. Of course, all other GumTree's commands are available.
 
 **Beware, the paths inputs to GumTree's commands are relative to the `/diff` path inside the container.** 
 
@@ -25,13 +26,13 @@ You can easily integrate GumTree's container with Git by adding the following co
 
 ```properties
 [difftool "gumtree-docker"]
-	cmd = docker run --rm -v /private/$LOCAL:/diff/left -v /private/$REMOTE:/diff/right -p 4567:4567 gumtreediff/gumtree webdiff left/ right/
+	cmd = docker run --rm -v /private/$LOCAL:/left -v /private/$REMOTE:/right -p 4567:4567 gumtreediff/gumtree webdiff /left /right
 ```
 ### Linux - Windows
 
 ```properties	
 [difftool "gumtree-docker"]
-	cmd = docker run --rm -v $LOCAL:/diff/left -v $REMOTE:/diff/right -p 4567:4567 gumtreediff/gumtree webdiff left/ right/
+	cmd = docker run --rm -v $LOCAL:/left -v $REMOTE:/right -p 4567:4567 gumtreediff/gumtree webdiff /left /right
 ```
 ### Usage
 
@@ -46,4 +47,4 @@ You can then use the command `git gd`.
 
 ## Debug
 
-If you want to debug GumTree's image use the following command line: `docker run --rm -it -v /my/original-folder:/diff/left -v /my/modified-folder:/diff/right -p 4567:4567 --entrypoint "/bin/bash" gumtreediff/gumtree`.
+If you want to debug GumTree's image use the following command line: `docker run --rm -it -v /my/original-folder:/left -v /my/modified-folder:/right -p 4567:4567 --entrypoint "/bin/bash" gumtreediff/gumtree`.