How to fix “Error executing Maven” issue after updating to Java 17
After updating to Java 17 we can encounter difficulties when running the mvn commands. Read this article to learn how to get rid of the “Error executing Maven” problem.
How to install OpenJDK 17 on Ubuntu
OpenJDK 17 is available both through Ubuntu’s default repository and as a standalone package for manual installation. Read this short guide on how to download the latest LTS release and set it as the default version on your system.
Keycloak in Docker #4 – How to define user privileges and roles
Keycloak offers a wide variety of methods for defining user permissions and roles. We can configure privileges across a realm or a specific client application. In addition, we can combine permissions by assigning users to groups or creating composite roles.
Refactoring: Improving the Design of Existing Code – book notes
For those in need of a quick refresher on Martin Fowler’s approach to refactoring.
Keycloak in Docker #3 – How to customise Keycloak themes
Keycloak allows us to customise its themes. This enables us to provide a user interface that remains consistent across all of our applications, ensuring a better user experience for everyone.
Keycloak in Docker #2 – How to import a Keycloak realm
Having a dockerized Keycloak service that works out-of-the-box and contains an imported realm with its default users is very useful. Not only does this greatly simplify the setup process, it also allows us to share a replicable Keycloak instance with other developers.
Keycloak in Docker #1 – How to run Keycloak in a Docker container
Keycloak is an open source project that is a convenient option for delegating authentication and user management. It allows us to focus more on delivering business value to our projects. A proper Docker configuration for this service will come in handy whenever we need to run it locally.
How to authorize Basic Auth requests in Spring Boot Swagger UI
We’re going to apply Basic Auth on API calls made from Swagger UI. OpenAPI allows us to provide security configuration for calling our documented endpoints and offers a few security schemes. Once we have our Spring Security configured and endpoints secured, we can show a project documentation to everyone, and allow visitors to provide credentials if they want to call a protected endpoint.
How to add Bootstrap to your Angular project with ng-bootstrap
We can significantly speed up progress on our Angular application when we enhance it with Bootstrap styles and ng-bootstrap widgets. Bootstrap classes will immediately transform the look and feel of our project and thanks to Angular-native components from ng-bootstrap we won’t be needing Bootstrap javascript.
Easy OpenAPI 3 specification for your Spring Boot REST API
The springdoc-openapi library allows us to automatically generate an OpenAPI specification for our rest API built with Spring Boot. This specification is also useful when we need a Swagger documentation or we want to automate client code generation.