env_to_file.sh

#!/usr/bin/env sh

# each environment key/value pair should include the bundle name as follows:
# RELAYBUNDLE__name__KEY=VAL
for key in $(env | grep RELAYBUNDLE | sed -e 's/\(.*\)__\(.*\)__\(.*\)/\1:\2:\3/g'); do
        BUNDLE_NAME=$(echo $key | cut -d: -f2)
        BUNDLE_KEYVAL=$(echo $key | cut -d: -f3)
        BUNDLE_KEY=$(echo ${BUNDLE_KEYVAL} | cut -d= -f1)
        BUNDLE_VAL=$(echo ${BUNDLE_KEYVAL} | cut -d= -f2)
        BUNDLE_PATH="/tmp/bundle_configs/${BUNDLE_NAME}"

        if [[ ! -d "${BUNDLE_PATH}" ]]; then
                mkdir -p "${BUNDLE_PATH}"
        fi
        echo -e "${BUNDLE_KEY}: \"${BUNDLE_VAL}\"" >> "${BUNDLE_PATH}/config.yaml"
done

exec $@