Update README.md

README.md

@@ -143,16 +143,20 @@ get SQLite tests for free :)
 If you don't feel like setting up databases and users, you can use our [docker](http://docker.io) [image](https://index.docker.io/u/mhansen/sequelize-contribution/) for sequelize contribution.
 
 1. Getting the image:
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     sudo docker pull mhansen/sequelize-contribution`
 
 2. Start the container and save references to container id and ip:
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     CONTAINER=$(sudo docker run -d -i -t mhansen/sequelize-contribution)
     CONTAINER_IP=$(sudo docker inspect -format='{{.NetworkSettings.IPAddress}}' $CONTAINER)
 
 3. Run tests:
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     SEQ_HOST=$CONTAINER_IP SEQ_USER=sequelize_test make all
 
 4. Stop the container:
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     sudo docker stop $container
 
 When running tests repeatedly, you only need to redo step 3 if you haven't stopped the container.