Mapping Environment Variables with Nanobox

boxfile.yml

deploy.config:
  transform:
    - bash set-evars.sh

set-evars.sh

#!/bin/sh
set -e

# Define a set_evar function that expects 2 arguments
# The first argument is the environment variable key
# The second argument is the environment variable value
# The value can be a literal string or a variable expansion

set_evar () {
  echo $2 > /data/etc/env.d/$1
  echo ✓ $1 set
}

# Set environment vairables

set_evar "MY_DATABASE_HOST" "${DATA_DB_HOST}"
set_evar "MY_DATABASE_USER" "${DATA_DB_USER}"
set_evar "MY_DATABASE_PASS" "${DATA_DB_PASS}"
set_evar "MY_DATABASE_NAME" "gonano"
set_evar "MY_DATABASE_PORT" "3306"