Import .env file to Dokku

import-env.sh

#!/bin/bash

# Check number of args
# https://stackoverflow.com/q/18568706/
if [ "$#" -ne 2 ]; then
    echo "Usage:   import-env.sh <env-file> <dokku-app>"
fi

ENV_FILE=$1
DOKKU_APP=$2

# https://www.tutorialkart.com/bash-shell-scripting/bash-split-string/
IFS='='

# https://stackoverflow.com/q/19331497/
cat $ENV_FILE | while read line; do
  read -ra ADDR <<< "$line"
  dokku config:set --no-restart $DOKKU_APP "${ADDR[0]}"="${ADDR[1]}"
done