start-service.sh

#!/bin/bash -xe
source /home/ec2-user/.bash_profile
cd /home/ec2-user/app/release

# Query the EC2 metadata service for this instance's region

#REGION=`curl -s http://169.254.169.254/latest/dynamic/instanceidentity/document | jq .region -r`

REGION="`wget -qO- http://instance-data/latest/meta-data/placement/availability-zone | sed -e 's:\([0-9][0-9]*\)[a-z]*\$:\\1:'`"

# Query the EC2 metadata service for this instance's instance-id

#export INSTANCE_ID=`curl -s http://169.254.169.254/latest/meta-data/instanceid`
export INSTANCE_ID="`wget -q -O - http://169.254.169.254/latest/meta-data/instance-id`"

# Query EC2 describeTags method and pull out the CFN Logical ID for this instance

export STACK_NAME=`aws --region $REGION ec2 describe-tags --filters "Name=resource-id,Values=${INSTANCE_ID}" "Name=key,Values=aws:cloudformation:stack-name" | jq -r ".Tags[0].Value"`

npm run start