User data script used in this video :
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#!/bin/bash
yum install httpd -y && \
service httpd start && \
INSTANCE_ID="`wget -q -O - http://instance-data/latest/meta-data/instance-id`" && \
aws autoscaling complete-lifecycle-action --lifecycle-action-result CONTINUE --instance-id $INSTANCE_ID --lifecycle-hook-name myFirstHook --auto-scaling-group-name myASG --region eu-west-1 || \
aws autoscaling complete-lifecycle-action --lifecycle-action-result ABANDON --instance-id $INSTANCE_ID --lifecycle-hook-name myFirstHook --auto-scaling-group-name myASG --region eu-west-1
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