Modify idf.sh to automatically find the hash of the image

README.md

@@ -15,7 +15,7 @@ Make sure the `USB_GUID` and `USB_DEV` in `idf.py` have the correct values.
 
 1. Build the docker image
     ```bash
-    $ sudo docker build . --tag hyperlink
+    $ docker build .
     ```
 
 2. Compile the project

idf.sh

@@ -35,4 +35,4 @@ done
 #
 
 
-docker run ${DEVICE_FLAGS} --rm --user $(id -u):${USB_GID} -v $PWD:/project -w /project -it hyperlink idf.py $@
+docker run ${DEVICE_FLAGS} --rm --user $(id -u):${USB_GID} -v $PWD:/project -w /project -it $(docker build -q .) idf.py $@