Update starter to Strapi V4

[rubenbase]

As this starter is being featured in the new v4 examples from Strapi’s blog I think it would make sense to update it as it currently uses Strapi v3.

[byoungd]

Any plan for this?

[Cally99]

@rubenbase did you ever update this repo to v4?

[Leopold-V]

A bit late here but for those having troubles using this starter with strapi v4 for me it simply has been about reinstalling the strapi part with latest version and then changing the url in nextjs-strapi-boilerplate/frontend/pages/api/auth/[...nextauth].ts

Change this

        const response = await fetch(
          `${process.env.NEXT_PUBLIC_API_URL}/auth/${account.provider}/callback?access_token=${account?.access_token}`
        );

to this:

        const response = await fetch(
          `${process.env.NEXT_PUBLIC_API_URL}/api/auth/${account.provider}/callback?access_token=${account?.access_token}`
        );