Implementing JWT Authentication In Rails 8 For API-Only Applications
Rails 8 includes its own auth generator but for API-only or RESTful APIs, it's incompatible due to statelessness. JWT is a better choice as it eliminates database access on each request for authentication.
Rails 8 includes its own authentication generator. However, for API-only or RESTful APIs, this authentication scheme is not compatible because APIs are expected to be stateless.
As a result, many developers prefer to modify the default setup to make it stateless and integrate JWT for authentication. One of the key advantages of JWT is its efficiency—it eliminates the need to access the database on each request to authenticate users.
Setting Up the Project
After creating an API-only Rails project with the command:
rails new rails_jwt --api
navigate to the pr...