entrypoint.sh

#!/bin/bash

set -o errexit
set -o nounset
set -o pipefail
#set -o xtrace # Uncomment this line for debugging purpose

#https://docs.docker.com/compose/startup-order/
if [ -n "${NODE_WAITFORIT_CONTAINER_NAME:-}" ] && [ -n "${NODE_WAITFORIT_CONTAINER_PORT:-}" ]; then
	#https://git.eeqj.de/external/mailinabox/commit/1d6793d12434a407d47efa7dc276f63227ad29e5
	if curl https://raw.githubusercontent.com/vishnubob/wait-for-it/master/wait-for-it.sh --output /tmp/wait-for-it.sh -sS --fail >/dev/null 2>&1; then
		if [ "$(file -b --mime-type '/tmp/wait-for-it.sh')" == "text/x-shellscript" ]; then
			chmod +x /tmp/wait-for-it.sh
			/tmp/wait-for-it.sh "${NODE_WAITFORIT_CONTAINER_NAME}":"${NODE_WAITFORIT_CONTAINER_PORT}" -t 0
		fi
		rm /tmp/wait-for-it.sh
	fi
fi

IFS=',' read -ra libs <<<"${NODE_NPM_GLOBAL_LIBS}"
for lib in "${libs[@]}"; do
	npm install -g "${lib}"
done

IFS=',' read -ra paths <<<"${NODE_NPM_PATHS}"
for path in "${paths[@]}"; do
	if [ "${NODE_ENV}" = "production" ]; then
		cd "${path}"
		npm install --only=production
	else
		cd "${path}"
		npm install
	fi
done

####

#https://stackoverflow.com/a/46433245/3929620
# shellcheck source=/dev/null
. /usr/local/bin/docker-entrypoint.sh