Welcome back to Backspace Academy. I'd just like to very quickly introduce you 2
to the AWS for free tier. Now up until now everything that we've done with 3
these labs has been covered under that free tier and we won't be getting a bill 4
for it provided we deleted everything after the lab we won't be we won't 5
experience a problem there. So what I'd like to do now is first of all show you 6
how to get to the AWS free tier website so you go to aws.amazon.com the AWS 7
website and it's simply forward slash free now what we can see is that there 8
some things here there are free for 12 months some things are always free and 9
trial so what that means is that if we signed up for our account three months 10
ago there are some things that are going to be free for another nine months so 11
they're only free for twelve months from the time that you first opened your AWS 12
account we also have some things that are always free so provided we stay 13
below a certain limit of that service we're going to get that for free as well 14
and that won't be affected by the twelve month period at all we also have short 15
trials of services as well now we we can never look here and just have a look at 16
the product category so I'll just click on that so under compute we've been 17
using Amazon ec2 and we'll be using it quite a bit throughout this course 18
and that will give you 750 hours free for 12 months per month so what that 19
means is that we can have 750 hours per month of T2 micro instance and that 20
will expire twelve months after signing up for AWS now the big thing to remember 21
is that this is only for a t2 micro instance if you have anything bigger 22
than that doesn't matter how much you use you're going to get billed for it 23
and also to consider is that a smaller instance like the t2 Nano will not be 24
covered under the free tier it is specifically for the t2 25
micro instance the other thing to take into consideration if we're launching a 26
highly available and fault tolerant architecture where we're using say 2 27
t2 micro instances that will double up our our usage so instead of having 750 28
hours of usage if we're using 2 of the t2 micro instances we're only going to 29
be able to have 375 of those those hours available so the more instances use the 30
less hours you're going to have and the same with our database service so either 31
RDS with again we've used that as well we're going to get 750 hours of that and 32
that is again only going to be for t2 micro and we storage in content delivery we're 33
going to be using s3 a lot and again we're going to get 5 gig of standard 34
storage under that free tier so let's have a look at the things that are 35
always free so under Amazon Cloud Watch so we have 36
10 custom metrics and 10 alarms so provided we stay below that that's not 37
going to cost us anything and that doesn't expire after 12 months so it's 38
always free and DynamoDB 25 gig of storage always free Amazon SES 62,000 39
outbound messages per month provided we stay under that for the month we're not 40
going to incur a charge for that and we also have trials so you need to be very 41
careful with trials so for example with Amazon Redshift that is a quite an 42
expensive service so if you look there you've got 750 hours of DC to large 43
hours per month for 2 months but if your account is already over 2 months old and 44
you sign up for all you actually start using redshift you're going to get 45
billed for it and you're going to be billed for quite an expensive instance 46
as well. So that's the AWS free tier so what I recommend you do is go to this website 47
have a look around see what's free as you're working through the labs if you 48
have any any doubts about something being free then just 49
go to here and and check it out and I'm sure it'd be fine so we do try to stay 50
under this free tier throughout the course but things such as buying a 51
domain name will incur a cost so that's all I want to say about that for now and 52
I'll look forward to seeing you in the next lecture