message: Update comment with CPU and RAM information about available AWS instances
diff: @@ -15,10 +15,15 @@ USER_DATA=`cat $DIR/ec2_user_data.txt`
  USER_DATA="${USER_DATA//latest/$IMAGE_TAG}"
  USER_DATA="${USER_DATA//CMD_FLAGS/$@}"
  -# possible options for CPU only
  -# m5.large, m5.xlarge, m5.2xlarge, m5.4xlarge,
  -# m5.8xlarge, m5.12xlarge, m5.16xlarge, m5.24xlarge
  -# But beware it gets quite expensive... up $5.52 per Hour
  +# Possible options for CPU only:
  +# - m5.large: 2 vCPU, 8 GB RAM
  +# - m5.xlarge: 4 vCPU, 16 GB RAM
  +# - m5.2xlarge: 8 vCPU, 32 GB RAM
  +# - m5.4xlarge: 16 vCPU, 64 GB RAM
  +# - m5.8xlarge: 32 vCPU, 128 GB RAM
  +# - m5.12xlarge: 48 vCPU, 192 GB RAM
  +# - m5.16xlarge: 64 vCPU, 256 GB RAM
  +# - m5.24xlarge: 96 vCPU, 384 GB RAM
  INSTANCE_TYPE="m5.8xlarge"
  build_image() {
  