In Next.js 13, you might need to render multiple images that are located at different URLs.
If your images are not loading when using external URLs, it’s because Next.js requires configuration to be set. By explicitly stating from which URLs the images can be loaded, you can protect your application from malicious third parties.
There are two approaches to setting the configuration to allow external images.
In your next.config.js
file, you can set the remotePatterns
prop to specify from where external images can be sourced.
In the following example, images from any URL starting with https://example.com/account123/
are allowed and any other images will result in a 400 Bad Request
:
module.exports = { images: { remotePatterns: [ { protocol: 'https', hostname: 'example.com', port: '', pathname: '/account123/**', }, ], }, }
You can use wildcard patterns for both pathname
and hostname
as follows:
*
to match a single path segment or subdomain.*
to match any number of path segments at the end, or subdomains at the beginning.You can also use the domains
prop to provide a list of hostnames that are allowed for external images. However, the domains
prop does not support wildcard pattern matching, nor can it restrict protocol, port, and pathname. Thus, any route of a provided hostname can be used for external images.
Below is an example of the domains
prop:
module.exports = { images: { domains: ['example.com'], }, }
In this case, both https://example.com/account123
and http://example.com/account113
are valid URLs for external images.
You can find additional information about the remotePatterns
and domains
configuration in the Next.js documentation.
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