Fix read me for docker

Everything was working fine, docker file needs a logs directory to be there,
to build and get it to work.

Signed-off-by: Farhaan Bukhsh <farhaan.bukhsh@gmail.com>

README.md

@@ -66,15 +66,16 @@ You can also visit `localhost:<port>` to use the web frontend which comes with t
 
 ### Run locally using docker
 
-> **Note** : The docker build will fail, due to the docker file not being updated along with rest of the program.
-
 You can run the application using Docker in your local machine. It will use the `Dockerfile` instructions. Make sure you have [Docker](https://www.docker.com/) installed in your machine.
 
 Run the following commands to build and run the docker image.
 
 ```bash
 $ git clone https://github.com/dgplug/dexer.git
 $ cd dexer
+$ make logs
 $ make docker-build # builds docker image
 $ make docker-run # runs the image in new container
 ```
+
+One has to make sure the `logs` directory has all the file because dexer runs the indexing at the starting and then keeps it, so if a file is not there it would not index it.