#!/bin/bash cd /home/container # Make internal Docker IP address available to processes. INTERNAL_IP=$(ip route get 1 | awk '{print $(NF-2);exit}') export INTERNAL_IP # Print current Python version python --version # Convert all of the "{{VARIABLE}}" parts of the command into the expected shell # variable format of "${VARIABLE}" before evaluating the string and automatically # replacing the values. PARSED=$(echo "$STARTUP" | sed -e 's/{{/${/g' -e 's/}}/}/g') # Display the command we're running in the output, and then execute it with eval printf "\033[1m\033[33mcontainer~ \033[0m" echo "$PARSED" # shellcheck disable=SC2086 eval "$PARSED"