Clean up AWS ECS task definition template using jq

clean_up.sh

#!/bin/bash

if [ "$1" = "" ]; then
  echo "No input file!"
  exit 1
fi

cat $1 | \
  jq -S 'del(.compatibilities, .registeredAt, .registeredBy, .requiresAttributes, .revision, .status, .taskDefinitionArn)' | \
  sponge $1