# 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 $(NF-2);exit}') export INTERNAL_IP # Switch to the container's working directory cd /home/container || exit 1 # Print Erlang's version printf "\033[1m\033[33mcontainer@pelican~ \033[0merl -noshell -eval 'erlang:display(erlang:system_info(system_version))' -eval 'init:stop()'\n" erl -noshell -eval 'erlang:display(erlang:system_info(system_version))' -eval 'init:stop()' # Convert all of the "{{VARIABLE}}" parts of the command into the expected shell # variable format of "${VARIABLE}" before evaluating the string and automatically # replacing the values. PARSED=$(echo "$STARTUP" | sed -e 's/{{/${/g' -e 's/}}/}/g') # Display the command we're running in the output, and then execute it with eval printf "\033[1m\033[33mcontainer@pelican~ \033[0m" echo "$PARSED" # shellcheck disable=SC2086 eval "$PARSED"