Merge pull request #26 from weekenthralling/docs/kernel-launch

chore: update kernel_launch script README

Author: weekenthralling

kernel_launch/Dockerfile

@@ -2,16 +2,7 @@ FROM elyra/kernel-py:3.2.3
 
 USER root
 
-# install chinese font
-RUN apt-get update \
-  && apt-get install -y --no-install-recommends \
-  fonts-noto-cjk
-
-COPY requirements.txt .
-
-RUN python -m pip install -r requirements.txt
-RUN mplfonts init
-
+# Replace the script in the image with the new startup script.
 COPY bootstrap-kernel.sh /usr/local/bin/
 COPY launch_ipykernel.py /usr/local/bin/kernel-launchers/python/scripts/
 

kernel_launch/README.md

@@ -29,4 +29,6 @@ Official document at `~/.ipython/profile_default/startup/README`:
 The current script references [Jupyter Kernel Image](https://github.com/jupyter-server/enterprise_gateway/tree/main/etc/kernel-launchers) and has made the following modifications:
 
 - The kernel can be started using a user-specified port.
-- The public key is set as an optional parameter; however, it is required when the response address is provided.
+- The `PUBLIC_KEY` is set as an optional parameter; however, it is required when the response address is provided.
+- Use the `KERNEL_ID` from the environment variables as the key to connect to the kernel.
+- Add the `KERNEL_IDLE_TIMEOUT` environment variable. Once set, any kernel that remains idle for longer than this duration will be terminated.