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The last video we attempted to create a new post but we very quickly ran into a cause your quest aired.
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This is a quick reminder on course requests for US requests are an issue.
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Anytime that we are looking at some domain or domain with a port or domain with a subdomain that is
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different than you are L or the domain that we're trying to make a request to.
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So in our case in the browser we are at local host or three thousand and we are trying to make a post
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requests to local host port 4000 those ports are different.
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And so the course requests policy comes into effect.
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The browser is going to automatically reject or prevent any request from being issued from Local three
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thousand over to four thousand unless local is 4000.
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Our server right here provides a very specific set of headers so in order to get this error right here
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to go away there's nothing we could do inside of our browser.
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There's no additional configuration we could add to our ReACT app or anything like that to make this
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area go away.
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We have to do some additional configuration on our server itself let's do that right now to get started
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to flip back over to my terminal.
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We're going to do this additional configuration on both our post service and the comments service.
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It's gonna be a very small little piece of configuration so I'm going to find my turtle Windows running
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my post service.
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I'm going to stop that server and my comment server as well and then in both of these terminal windows.
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So for both posts and for comments I'm going to run npm install force but there's one and there's two
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very small package.
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All it's going to do is help us get around this course air by setting a header on very specific risk
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responses that are going to go back to the browser after that all start up my post service and I will
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start back up my comment service.
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Very good and I'm going to open up my editor in both these directories and we're going to make use of
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that course module that we just installed all first start off with my post service.
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Here we go some inside of my posts folder.
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I'm in the index not j ust file inside there.
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At the very top I'm going to require in course
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and I'm going to wire that up to my express application as a middleware so we'll do apps use or is like
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so and make sure you call cause as though it were a function I'll save that and I'm going to do the
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same thing inside of my comments project as well.
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They'll swap back over my comments project here's my comms project again inside of comments
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at the very top I'm going to require in course
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and again wired up to my app as a middleware and once again I'm gonna make sure that I call the cause
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because it is a function save this and we should be good to go now.
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Let's flip back over to our browser.
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We're gonna try to create a post.
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Once again this refund I'm going to refresh the page to get those nasty errors to go a while then enter
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in a title here.
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So as a first post the minute and there we go.
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So my request was issued I got a response of two a one which means that my post was successfully created
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Well this is definitely good progress forward.
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And we got that little of course error to go away.
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We're gonna make sure that if we start to add in any other services to our project we just add in that
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course module from the gecko as we start to work on our later project.
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So that big project that we're going to work on later on INSIDE the course we're not gonna have to worry
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about this cause issue quite so much because there's a couple of little architectural changes we're
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gonna add in here so that we will not end up making requests from one year old inside the browser to
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some different you or L where our actual API is hosted.
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We're gonna make a couple of changes that they're actually co-located so to speak.
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All right.
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So quick pause right here Mac the next video now that we've got that post creation put together we're
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gonna start working on our post office component and then eventually make sure that we can add on the
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ability to list out comments and create comments as well.
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So I'll see you in just a moment.
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