create out folder in the user directory

cli/Dockerfile

@@ -7,6 +7,6 @@ WORKDIR /usr/src/app/node_modules/single-file/cli
 ENTRYPOINT [ \
     "./single-file", \
     "--browser-executable-path", "/usr/bin/chromium-browser", \
-    "--output-directory", "/out", \
+    "--output-directory", "./../../../out", \
     "--browser-args", "[\"--no-sandbox\"]", \
     "--dump-content" ]

cli/README.MD

@@ -32,15 +32,15 @@ SingleFile can be launched from the command line by running it into a (headless)
 
   - Save one page
 
-    `docker run -v %cd%:/out singlefile "https://www.wikipedia.org" wikipedia.html` (Windows)
+    `docker run -v %cd%:/usr/src/app/out singlefile "https://www.wikipedia.org" wikipedia.html` (Windows)
 
-    `docker run -v $(pwd):/out singlefile "https://www.wikipedia.org" wikipedia.html` (Linux/UNIX)
+    `docker run -v $(pwd):/usr/src/app/out singlefile "https://www.wikipedia.org" wikipedia.html` (Linux/UNIX)
 
   - Save one or multiple pages by using the filename template (see `--filename-template` option)
 
-    `docker run -v %cd%:/out singlefile "https://www.wikipedia.org" --dump-content=false` (Windows)
+    `docker run -v %cd%:/usr/src/app/out singlefile "https://www.wikipedia.org" --dump-content=false` (Windows)
 
-    `docker run -v $(pwd):/out singlefile "https://www.wikipedia.org" --dump-content=false` (Linux/UNIX)
+    `docker run -v $(pwd):/usr/src/app/out singlefile "https://www.wikipedia.org" --dump-content=false` (Linux/UNIX)
 
 - An alternative docker file can be found here https://github.com/screenbreak/SingleFile-dockerized. It allows you to save pages from the command line interface or through an HTTP server.