docker-entrypoint.sh

#!/bin/bash
set -e
cd $HOME_DIR

echo "Running Jupyter"
#  --debug
jupyter lab --ip=0.0.0.0 --no-browser --allow-root --ServerApp.token='' &
status=$?
if [ $status -ne 0 ]; then
  echo "Failed to start jupyter lab: $status"
  exit $status
fi

cd front
# ln -s ../configs
# ln -s ../oco2peak
echo "Starting gUnicorn"
python3 home-dash.py &
#gunicorn --workers=4 home-dash:app.server -b :8050
status=$?
if [ $status -ne 0 ]; then
  echo "Failed to start Dash: $status"
  exit $status
fi

#source venv/bin/activate


# Naive check runs checks once a minute to see if either of the processes exited.
# This illustrates part of the heavy lifting you need to do if you want to run
# more than one service in a container. The container exits with an error
# if it detects that either of the processes has exited.
# Otherwise it loops forever, waking up every 60 seconds

while sleep 60; do
  ps aux |grep jupyter |grep -q -v grep
  PROCESS_1_STATUS=$?
  ps aux |grep dash |grep -q -v grep
  PROCESS_2_STATUS=$?
  # If the greps above find anything, they exit with 0 status
  # If they are not both 0, then something is wrong
  if [ $PROCESS_1_STATUS -ne 0 -o $PROCESS_2_STATUS -ne 0 ]; then
    echo "One of the processes has already exited."
    exit 1
  fi
done