entrypoint.sh

#!/bin/ash

# Default the TZ environment variable to UTC.
TZ=${TZ:-UTC}
export TZ

# Set environment variable that holds the Internal Docker IP
INTERNAL_IP=$(ip route get 1 | awk '{print $(NF-2);exit}')
export INTERNAL_IP

# Switch to the container's working directory
cd /home/container || exit 1

# Print Go version
printf "\033[1m\033[33mcontainer@pterodactyl~ \033[0mgo version\n"
go version

# Run Preflight Script
if [ -n "$PRE_STARTUP_SCRIPT" ]; then
PRE_STARTUP_SCRIPT=$(echo "${PRE_STARTUP_SCRIPT}" | sed -e 's/{{/${/g' -e 's/}}/}/g')

printf "\033[1;31mcontainer@pterodactyl~\033[0m Running Preflight Script...\n"
eval "${PRE_STARTUP_SCRIPT}"
fi

# 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' | envsubst)

# Display the command we're running in the output, and then execute it with the env
# from the container itself.
printf "\033[1;33mcontainer@pterodactyl~ \033[0m%s\n" "${PARSED}"
# shellcheck disable=SC2086
exec env ${PARSED}