fanqiang | Over the Wall - Science Online | Server Side Rendering library
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Trending Discussions on Server Side Rendering
QUESTION
I have trouble finding any useful documentation on how to properly set up a gatsby side that is using SSR (server side rendering) in a custom production environment (not Gatsby Cloud or Netlify)
In their documentation for SSR there's a section
Server-Side Rendering requires a running NodeJS server. You can put NodeJS running gatsby serve behind a content delivery network (CDN) like Fastly, however that also requires additional infrastructure (like monitoring, logging, and crash-recovery).
So my general idea would be to put this all inside some Docker container and run gatsby serve
However according to the documentation for gatsby serve (https://www.gatsbyjs.com/docs/reference/gatsby-cli/#serve )this is not supposed to be used for production
At the root of a Gatsby site, serve the production build of your site for testing
Is it ok to use serve production? What kind of security issues do I need to keep in mind when using it? Is there a detailed documentation how to set this up in a custom environment?
...ANSWER
Answered 2022-Mar-14 at 14:03No docs on the SSR mode on custom servers. But in general you'd want to use something like Express to serve the static files (not gatsby serve) and then you can look at gatsby-plugin-netlify and gatsby-plugin-fastify for inspiration as they support SSR.
The serving and runtime SSR logic you’d have to write yourself using those plugins I mentioned as inspiration. The framework doesn’t handle the serving of the app, platforms like Gatsby Cloud and Netlify do. Or in your case, a custom server.
You might find this useful https://github.com/wille/gatsby-plugin-express Should also know there are lots of super easy ways to deploy (Gatsby Cloud, Netlify, Vercel) so you don’t need your own server. The reason you can’t use serve command is things like caching, redirects, headers, etc.
QUESTION
I have deployed a Next.js server side rendering app on AWS Amplify. I am new to AWS and don't know exactly why I am encountering this error. I have read so many articles and documentations but I am unable to solve this issue.
I am using getServerSideProps to get params and props from API etc. On Vercel and Netlify, my app is running fine but I am getting errors on Amplify AWS.
My app is loading static pages, but giving me an error on dynamic pages.
E.g. www.example.com/test-1
Here test-1 is a dynamic route "/:id"
The error I get:
503 ERROR The request could not be satisfied. The Lambda function associated with the CloudFront distribution is invalid or doesn't have the required permissions. We can't connect to the server for this app or website at this time. There might be too much traffic or a configuration error. Try again later, or contact the app or website owner. If you provide content to customers through CloudFront, you can find steps to troubleshoot and help prevent this error by reviewing the CloudFront documentation.
I know this error is specifically towards permissions, but I don't know how to configure them.
...ANSWER
Answered 2021-Oct-10 at 06:10The problem was with my Lambda functions they were defined for my application and some of them were unrecognized fixing them and giving permissions to the user is the only solution.
QUESTION
We have few pages and components as server side rendering.
We were trying to use cache for few API responses.
...ANSWER
Answered 2022-Mar-03 at 08:31You can set the Cache-Control header inside getServerSideProps using res.setHeader.
QUESTION
I get this error when I run gatsby build. I have not used "document" in my code. Can someone explain what this means?
...ERROR
Page data from page-data.json for the failed page "/": {
"componentChunkName": "component---src-pages-index-js", "path": "/", "result": { "pageContext": {} }, "staticQueryHashes": [] }failed Building static HTML for pages - 2.990s
ERROR #95312
"document" is not available during server side rendering.
ANSWER
Answered 2022-Jan-26 at 18:01The reason why this issue appears is because somewhere in your code you are using document global object and, because gatsby develop is rendered by the browser, where there are window and document global objects, it compiles, however, when you run gatsby build, the code is compiled in the Node server, where there's no window or document variables because they are not even defined yet, they are client-side variables parsed in the SSR (Server-Side Rendering).
This is an extreme reduction of what's happening, you can find a more detailed explanation in Debugging HTML Builds docs.
To fix/bypass this issue, you only need to add the following condition where you are using document object.
QUESTION
Just following some basic guides and got issues already. I can't see the problem with the below code but i'm getting the error:
Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object. Check the render method of
Navbar.
Can someone point where i'm going wrong please? Will use server side rendering some point but for now i'm just trying to get the design and layout done.
...ANSWER
Answered 2022-Jan-25 at 18:41correct your Link import
QUESTION
I have a route that I may call either from server side rendering, or from client:
...ANSWER
Answered 2021-Dec-29 at 16:16The proxy you have set up in next.config.js is only relevant for client-side requests. For requests initiated on the server (like inside getServerSideProps) you should directly call the external API.
Given the APP_API environment variable is not exposed to the browser (it's not prefixed with NEXT_PUBLIC_), you could use that as a condition to either use the direct API endpoint on the server, or point to the proxy endpoint on the client.
QUESTION
I want to redirect page in axios interceptor.
However, when server-side rendering, I can't access to server side context in axios interceptor. So I try to use next/router. but it only works in client side.
How can I this?
Below is the function executed in the axios interceptor.
...ANSWER
Answered 2021-Dec-05 at 10:55It is hard to give an answer without seeing your actual implementation of getServerSideProps or getStaticProps, but this might help. Your interceptor should probably throw a custom error you can identify in those methods and then use Next.js redirects
QUESTION
I am learning about React internals from a talk by Paul O’Shannessy "Building React from scratch"
In "7:29" before explaining how rendering process work, he added these few lines of code which i really couldn't understand
...ANSWER
Answered 2021-Oct-19 at 03:35React app will be initialized in DOM with the code below.
QUESTION
I know about ssr (server side rendering) in Vue, such as nuxt. It grabs data in serverPrefetch() function and renders content on server side, only after then the request is returning data to user and he is starting to download app.js.
But can we start loading data from backend immediatelly after user request, not waiting for download of vue script, and not stalling request before all data is loaded. So user is downloading app.js, while our server is doing work with sql requests and forming response.
ANSWER
Answered 2021-Oct-14 at 12:54As long as Nuxt is concerned - you can find a pretty good summary on the SSR (and client-side) options available in the following article. Spoiler alert - I think SSR is still the best shot with what you are trying to achieve. In the Nuxt world - NuxtServerInit and AsyncData are the men for the job.
Say you decided to stay away from SSR - what options do you have?
Have some super lightweight js loaded and ran before the Vue application that would fetch the data and share it with the app somehow (e.g. - saving it to the local storage). Would it really provide a speed advantage? I really doubt it, especially considering how fast the Vue app could load when cached in the client browser.
Dump the backend data into the server response itself. I mean, you could prefetch all the heavy stuff and stick it into your page as a json encoded object. That would save some time for initial requests for sure, but then - how large is that data chunk? Wouldn't it make the initial load too heavy, destroying the initial purpose? Those are the questions you should answer based on your particular use case.
QUESTION
I'm trying to create a new Gatsby plugin. I started with developing it as a local plugin. In this plugin I want to provide a wrapPageElement for server side rendering and during runtime, so I've create the following configuration files:
gatsby-ssr.js:
...ANSWER
Answered 2021-Sep-28 at 04:29It seems to be unresolved (yet) according to this GitHub thread, where apparently types are not properly exported by Gatsby.
As a hacky workaround you can try:
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