Posts within the Tutorials category

Featured image for "Writing dynamic queries with Spring Data JPA"
Java

Writing dynamic queries with Spring Data JPA

With Spring Data, we can easily write queries usinng @Query. For more dynamic queries, we can use the Example and Specification API, which we'll explore here.

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Featured image for "Loading initial data with Spring"
Java

Loading initial data with Spring

With Spring, you can set up your initial data in different ways. In this tutorial we'll discover database migration tools, and other options.

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Featured image for "Distributed tracing with Istio and Jaeger"
Tutorials

Distributed tracing with Istio and Jaeger

So far, we've already explored some of the elements Istio provides, such as visualizing our service mesh with Kiali, and monitoring our application metrics with Prometheus and Grafana. In this tutorial, we'll see how we can use Jaeger with Istio.

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Featured image for "Collecting application metrics with Istio"
Tutorials

Collecting application metrics with Istio

Istio comes with Prometheus and Grafana out of the box. In this tutorial we'll demonstrate how you can set up your pods to be scraped by Istio's monitoring.

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Featured image for "Reactive streams over the network with RSocket"
Java

Reactive streams over the network with RSocket

With RSocket, we can reactively stream our data over the network. In this example I'll demonstrate how RSocket can be used with Spring boot.

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Featured image for "Reactive relational databases with R2DBC and Spring"
Java

Reactive relational databases with R2DBC and Spring

With Spring boot's experimental starter for R2DBC, we can now reactively connect to our relational databases, and in this example we'll see how.

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Featured image for "Creating a servicegraph with Kiali and Istio"
Tutorials

Creating a servicegraph with Kiali and Istio

In this tutorial, we'll use Kiali to visualise our Istio service mesh on Kubernetes. With Kiali, we can view a servicegraph, and several other graphs.

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Featured image for "Running your Spring boot application on Kubernetes"
Java

Running your Spring boot application on Kubernetes

Kubernetes has been the way to go to orchestrate containerized applications. In this tutorial, we'll see how we can use Kubernetes with Spring boot.

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Featured image for "Setting up Minikube and Istio on macOS"
Tutorials

Setting up Minikube and Istio on macOS

When developing cloud-native applications, using tools like Kubernetes and Istio are a must. In this tutorial we'll use Minikube to install these locally.

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Featured image for "Loading content within a sidebar using Angular routing"
JavaScript

Loading content within a sidebar using Angular routing

In this tutorial, we'll use the powers of Angular Material and routing combined to load our route content within a sidebar or sidenav component.

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