Next-auth encounters a TypeError [ERR_INVALID_URL] when attempting to use an invalid URL exclusively in the production

Question

Next-auth encounters a TypeError [ERR_INVALID_URL] when attempting to use an invalid URL exclusively in the production

When I attempt to sign in using next-auth in my Next.js app in production mode by running the command `yarn build && yarn start` on my local machine, the app fails. The error message displayed in the terminal is:

TypeError [ERR_INVALID_URL]: Invalid URL
    at new NodeError (node:internal/errors:372:5)
    at URL.onParseError (node:internal/url:553:9)
    at new URL (node:internal/url:629:5)
    at Object.redirect (/Users/name/Documents/GitHub/app/node_modules/next-auth/core/lib/default-callbacks.js:16:65)
    at createCallbackUrl (/Users/name/Documents/GitHub/app/node_modules/next-auth/core/lib/callback-url.js:20:35)
    at init (/Users/name/Documents/GitHub/app/node_modules/next-auth/core/init.js:132:48)
    at AuthHandlerInternal (/Users/name/Documents/GitHub/app/node_modules/next-auth/core/index.js:98:28)
    at AuthHandler (/Users/name/Documents/GitHub/app/node_modules/next-auth/core/index.js:335:34)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at async NextAuthHandler (/Users/name/Documents/GitHub/app/node_modules/next-auth/next/index.js:38:20) {
  input: 'undefined/home',
  code: 'ERR_INVALID_URL'
}

The issue does not occur when running the app in development mode with the command `yarn dev`. Here is my [...nextauth].ts file:

[Add your unique rewrite here]

I have set the necessary environmental variables in .env.local and nothing has changed, so I'm puzzled by the different behavior in production. Any insights or suggestions?

javascript next.js next-auth

Answer 1

Answer №1

One possible reason for the issue could be the utilization of the development link

NEXTAUTH_URL="http://localhost:3000"

in a production environment. It is advisable to use the live link

NEXTAUTH_URL="yourwebsite.com"

instead.

Furthermore, rather than using an if-statement to determine whether the app is in development or production, consider utilizing 2 separate .env files - one with the localhost URL for local testing and another with the live URL for deployment. This approach can aid in better troubleshooting of any potential problems.

Additionally, ensure that your environment variables are properly configured and accessible within your application.

Answer 2

One possible reason for the issue could be the utilization of the development link

NEXTAUTH_URL="http://localhost:3000"

in a production environment. It is advisable to use the live link

NEXTAUTH_URL="yourwebsite.com"

instead.

Furthermore, rather than using an if-statement to determine whether the app is in development or production, consider utilizing 2 separate .env files - one with the localhost URL for local testing and another with the live URL for deployment. This approach can aid in better troubleshooting of any potential problems.

Additionally, ensure that your environment variables are properly configured and accessible within your application.

Answer 3

Answer №2

The value of NEXTAUTH_URL is not defined. To resolve this, you must specify NEXTAUTH_URL in your .env file.

NextJs provides options for setting different environment variables depending on whether you are testing, developing, or in production. In most cases during production, a single .env file is used to prevent exposing sensitive information in git repositories.

Answer 4

The value of NEXTAUTH_URL is not defined. To resolve this, you must specify NEXTAUTH_URL in your .env file.

NextJs provides options for setting different environment variables depending on whether you are testing, developing, or in production. In most cases during production, a single .env file is used to prevent exposing sensitive information in git repositories.

Answer 5

Answer №3

When it comes to environment files in NextJS, there are two key policies to keep in mind:

If the NODE_ENV is not set to production (like in localhost or any non-production scenario), NextJS will search for the .env.local file.
In production scenarios where NODE_ENV is set to production, NextJS will look for .env.production.

Furthermore, remember these important rules:

All variables defined in either .env.local or .env.production are accessible server-side.
Variables starting with NEXT_PUBLIC are available client-side.

It's also crucial to note that:

Environment variables are evaluated at BUILD TIME, so ensure that the relevant data exists in the correct .env.[local|production] file at BUILD TIME. According to the documentation:

Note: Environment variables are evaluated at build time to protect server-only secrets. Only used variables will be included, and process.env behaves differently from a standard JavaScript object.

Lastly, consider reading through this chapter, which advises keeping all .env files under version control, except for env*.local if multiple .env.local files are present. Additionally, use the command next start instead of next dev, as next dev specifically sets the environment to development.

To sum up, your issue could possibly stem from missing the .env.production file during build time. Consider reviewing and ensuring its presence.

Answer 6

When it comes to environment files in NextJS, there are two key policies to keep in mind:

If the NODE_ENV is not set to production (like in localhost or any non-production scenario), NextJS will search for the .env.local file.
In production scenarios where NODE_ENV is set to production, NextJS will look for .env.production.

Furthermore, remember these important rules:

All variables defined in either .env.local or .env.production are accessible server-side.
Variables starting with NEXT_PUBLIC are available client-side.

It's also crucial to note that:

Environment variables are evaluated at BUILD TIME, so ensure that the relevant data exists in the correct .env.[local|production] file at BUILD TIME. According to the documentation:

Note: Environment variables are evaluated at build time to protect server-only secrets. Only used variables will be included, and process.env behaves differently from a standard JavaScript object.

Lastly, consider reading through this chapter, which advises keeping all .env files under version control, except for env*.local if multiple .env.local files are present. Additionally, use the command next start instead of next dev, as next dev specifically sets the environment to development.

To sum up, your issue could possibly stem from missing the .env.production file during build time. Consider reviewing and ensuring its presence.

Answer 7

Answer №4

To ensure smooth deployment, make sure to specify the NEXTAUTH_URL in your .env file using your production URL instead of development NEXTAUTH_URL.

Answer 8

To ensure smooth deployment, make sure to specify the NEXTAUTH_URL in your .env file using your production URL instead of development NEXTAUTH_URL.

Answer 9

Answer №5

Allow me to shed some light on this topic. You will come across 5 env files when working with nextjs:

.env
.env.local
.env.production
.env.development
.env.test

The usage of .env and .env.local is restricted to localhost only and they should be excluded in the .gitignore file to prevent them from being saved in your github repo.

This means that during production, these files will not be accessible. Instead, you must utilize .env.production and include public environment variables starting with ( NEXT_PUBLIC_ )

Your .env.production file should look like this :

#env.production file

NEXT_PUBLIC_SERVER_URL=yoururlforproduction

Your production URL could be something like :

You may want to replace NEXTAUTH_URL with NEXT_PUBLIC_NEXTAUTH_URL as these are public environment variables, whereas private ones do not require NEXT_PUBLIC_ prefix.

Answer 10

Allow me to shed some light on this topic. You will come across 5 env files when working with nextjs:

.env
.env.local
.env.production
.env.development
.env.test

The usage of .env and .env.local is restricted to localhost only and they should be excluded in the .gitignore file to prevent them from being saved in your github repo.

This means that during production, these files will not be accessible. Instead, you must utilize .env.production and include public environment variables starting with ( NEXT_PUBLIC_ )

Your .env.production file should look like this :

#env.production file

NEXT_PUBLIC_SERVER_URL=yoururlforproduction

Your production URL could be something like :

You may want to replace NEXTAUTH_URL with NEXT_PUBLIC_NEXTAUTH_URL as these are public environment variables, whereas private ones do not require NEXT_PUBLIC_ prefix.

Answer 11

Answer №6

I encountered the error message "TypeError [ERR_INVALID_URL]: Invalid URL".

While all the responses provided above are correct, in my situation, this error occurred during the app's build process (npm run build) within a Dockerfile.

The issue I faced was due to forgetting to pass an argument containing the NEXTAUTH_URL while executing 'docker build' from the command line. This resulted in the Invalid URL error message being displayed.

It was a simple oversight on my part, but it is a mistake that could potentially happen to others as well.

Answer 12

I encountered the error message "TypeError [ERR_INVALID_URL]: Invalid URL".

While all the responses provided above are correct, in my situation, this error occurred during the app's build process (npm run build) within a Dockerfile.

The issue I faced was due to forgetting to pass an argument containing the NEXTAUTH_URL while executing 'docker build' from the command line. This resulted in the Invalid URL error message being displayed.

It was a simple oversight on my part, but it is a mistake that could potentially happen to others as well.

Next-auth encounters a TypeError [ERR_INVALID_URL] when attempting to use an invalid URL exclusively in the production

Answer №1

Answer №2

Answer №3

Answer №4

Answer №5

Answer №6

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