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- Question: Why NextJS does not show images when ı add a photo in public folder after “npm run build”?
- Time: Asked 58 days ago
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Why NextJS does not show images when ı add a photo in public folder after “npm run build”?
When you add an image to the public
folder in a Next.js project, it should be accessible from the browser using a URL like http://localhost:3000/my-image.png
. However, if the image is not showing up after running npm run build
, it’s possible that the image was not copied to the out
directory.
By default, Next.js will copy the public
directory to the out
directory during the build process. However, if you have customized your build process, it’s possible that the public
directory is not being copied over.
To ensure that the public
directory is being copied over during the build process, you can add the following line to your next.config.js
file:
module.exports = {
// Other Next.js options…
// Add this line to copy the public directory to the output directory.
assetPrefix: process.env.NODE_ENV === ‘production’ ? ‘/my-app-name’ : ”,
};
This tells Next.js to copy the public
directory to the output directory and to set the asset prefix to /my-app-name
when running in production. You can replace my-app-name
with the name of your application.
If the image still does not show up after adding this line, you may need to check the file path and make sure that the image file is located in the correct directory.
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How to generate build files in next js, with Error: Image Optimization using Next.js default loader
How to use local images in nextjs?
To use local images in Next.js, you can follow these steps:
- Create a folder named “public” in the root directory of your Next.js project.
- Place your images inside the “public” folder. For example, if you have an image named “example.png”, you can place it in the “public” folder at the path “/public/example.png”.
- In your Next.js component or page, you can use the <img> tag to display the image. For example, if you want to display the “example.png” image, you can use the following code:
<img src="/example.png" alt="Example Image" />
- Note that the “src” attribute of the <img> tag should start with a forward slash (“/”) followed by the path of the image relative to the “public” folder.
- You can also use dynamic image paths by using the “public” folder as a base path. For example, if you have a variable named “imageName” that contains the name of the image you want to display, you can use the following code:
<img src={`/` + imageName} alt="Dynamic Image" />
This will dynamically generate the path to the image based on the value of the “imageName” variable.
Where does next JS store images?
Next.js does not have a built-in storage system for images. Instead, Next.js allows you to import images directly into your components and pages using the ES6 import
statement.
When you import an image using import
, the image is automatically optimized and served by the Next.js server through the /public
folder. Next.js assumes that all static assets like images, fonts, and videos are stored in the /public
directory at the root of your project. So, to add an image to your Next.js application, you can create a folder named /public
in your project directory, and then place your image file in a subdirectory within the /public
folder.
For example, let’s say you have an image called my-image.png
that you want to use in your Next.js application. You can store the image in /public/images
folder like this:
my-nextjs-app/
├── public/
│ └── images/
│ └── my-image.png
├── pages/
├── components/
└── ...
Then, in your component or page, you can import the image using the following code:
import Image from 'next/image'
function MyComponent() {
return (
<div>
<Image
src="/images/my-image.png"
alt="My Image"
width={500}
height={500}
/>
</div>
)
}
This will optimize the image and serve it from the /public
directory at the root of your project.
Why use next image instead of IMG?
“IMG” and “next image” are not competing technologies, but rather two different terms that refer to different concepts.
“IMG” is an HTML tag that is used to insert images into a web page. It is a commonly used element in web development and has been around for many years. When you use the “IMG” tag, you specify the source of the image, its size, and other attributes.
On the other hand, “next image” is not a commonly used term in web development. It is possible that you are referring to a specific technology or framework that uses this term, but without additional context, it is difficult to provide a specific answer.
In general, it is important to use the appropriate HTML tags and attributes when building web pages. The “IMG” tag is the standard way of embedding images into a web page, and unless you are working with a specific technology that requires a different approach, you should stick with the standard HTML tags.
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