Open Liberty

Guides

The quickest way to learn all things Open Liberty, and beyond!

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Testing microservices with consumer-driven contracts

Learn how to implement contract testing to ensure compatibility for Java microservices.

30 minutes

New

Persisting data with MongoDB

Learn how to persist data in Java microservices to MongoDB, a document-oriented NoSQL database.

25 minutes

New

Streaming updates to a client using Server-Sent Events

Learn how to push Server-Sent Events from a reactive messaging application to a front-end client

30 minutes

New

Deploying microservices to OpenShift by using Kubernetes Operators

Explore how to deploy microservices to Red Hat OpenShift by using Kubernetes Operators.

30 minutes

New

Authenticating users through social media providers

Learn how to authenticate users with the Open Liberty Social Media Login feature.

30 minutes

Acknowledging messages using MicroProfile Reactive Messaging

Learn how to use MicroProfile Reactive Messaging acknowledgment strategies to acknowledge messages.

20 minutes

Consuming RESTful services using the reactive JAX-RS client

Learn how to use a reactive JAX-RS client to asynchronously invoke RESTful microservices over HTTP.

25 minutes

Enabling distributed tracing in microservices with Jaeger

Explore how to enable and customize tracing of JAX-RS and non-JAX-RS methods by using Jaeger and MicroProfile OpenTracing.

20 minutes

Integrating RESTful services with a reactive system

Learn how to integrate RESTful services with a reactive system using MicroProfile Reactive Messaging.

25 minutes

Consuming a RESTful web service with ReactJS

Explore how to access a simple RESTful web service and consume its resources with ReactJS in Open Liberty.

20 minutes

Testing reactive Java microservices

Learn how to test reactive Java microservices in true-to-production environments using MicroShed Testing.

20 minutes

Creating reactive Java microservices

Learn how to use MicroProfile Reactive Messaging to implement an application with a reactive architecture.

20 minutes

Deploying microservices to Google Cloud Platform

Explore how to deploy microservices to Google Cloud Platform Kubernetes Engine (GKE).

1 hour

Deploying microservices to an OKD cluster using Minishift

Explore how to deploy microservices on an OKD cluster using a virtual machine with Minishift.

1 hour

Containerizing, packaging, and running a Spring Boot application

Learn how to containerize, package, and run a Spring Boot application on Open Liberty.

20 minutes

Testing a MicroProfile or Jakarta EE application

Learn how to use MicroShed Testing to test a MicroProfile or Jakarta EE application.

20 minutes

Consuming RESTful services asynchronously with template interfaces

Learn how to use MicroProfile Rest Client to invoke RESTful microservices asynchronously over HTTP.

15 minutes

Developing fault-tolerant microservices with Istio Retry and MicroProfile Fallback

Explore how to use MicroProfile Fault Tolerance together with Istio Fault Tolerance

30 minutes

Deploying microservices to OpenShift

Explore how to deploy microservices to Red Hat OpenShift

45 minutes

Deploying microservices to Azure Kubernetes Service

Explore how to deploy microservices to Azure Kubernetes Service (AKS).

1 hour

Containerizing microservices

Learn how to containerize and run your microservices with Open Liberty using Docker

20 minutes

Caching HTTP session data using JCache and Hazelcast

Learn how to create, use and cache HTTP session data.

25 minutes

Consuming a RESTful web service with Angular

Explore how to access a simple RESTful web service and consume its resources with Angular in Open Liberty.

20 minutes

Deploying microservices to Amazon Web Services

Explore how to deploy microservices to Amazon Elastic Container Service for Kubernetes (EKS) on Amazon Web Services (AWS).

45 minutes

Deploying microservices to IBM Cloud Kubernetes Service (IKS)

Explore how to deploy microservices to IBM Cloud Kubernetes Service (IKS).

1 hour

Testing microservices with the Arquillian managed container

Learn how to test your microservices with the Arquillian managed container and JUnit on Open Liberty.

15 minutes

Managing microservice traffic using Istio

Explore how to manage microservice traffic using Istio.

30 minutes

Checking the health of microservices on Kubernetes

Learn how to check the health of microservices on Kubernetes by setting up readiness and liveness probes to inspect MicroProfile Health Check endpoints.

20 minutes

Accessing and persisting data in microservices using Java Persistence API (JPA)

Learn how to use Java Persistence API (JPA) to access and persist data to a database for your microservices.

20 minutes

Securing a web application

Learn how to secure a web application through authentication and authorization.

15 minutes

Configuring microservices running in Kubernetes

Externalize configuration and use Kubernetes ConfigMaps and Secrets to configure your microservices.

15 minutes

Deploying microservices to Kubernetes

Explore how to deploy microservices to Kubernetes and manage your cluster.

25 minutes

Validating constraints with microservices

Explore the use of bean validation to validate user input data for microservices.

20 minutes

Consuming a RESTful web service

Explore how to access a simple RESTful web service and consume its resources in Java using JSON-B and JSON-P.

25 minutes

Getting started with Open Liberty

Learn how to develop a Java application on Open Liberty with Maven and Docker.

25 minutes

Failing fast and recovering from errors

Use MicroProfile's Timeout and Retry policies to fail fast and recover when running into failures.

20 minutes

Interactive

Consuming RESTful services with template interfaces

Learn how to use MicroProfile Rest Client to invoke RESTful services over HTTP in a type-safe way.

20 minutes

Limiting the number of concurrent requests to microservices

Use a MicroProfile Bulkhead policy to limit requests and prevent faults from cascading to the entire system.

20 minutes

Interactive

Building fault-tolerant microservices with the @Fallback annotation

Learn how to add fallback behavior to microservice dependencies to manage the impact of failures.

20 minutes

Enabling distributed tracing in microservices with Zipkin

Explore how to enable and customize tracing of JAX-RS and non-JAX-RS methods by using Zipkin and MicroProfile OpenTracing.

20 minutes

Documenting RESTful APIs

Explore how to document and filter RESTful APIs from code or static files by using MicroProfile OpenAPI.

20 minutes

Adding health reports to microservices

Learn how to use MicroProfile Health to provide and check the health of a microservice.

20 minutes

Providing metrics from a microservice

Learn how to use MicroProfile Metrics to provide system and application metrics from a microservice.

15 minutes

Securing microservices with JSON Web Tokens

Learn how to control user and role access to microservices by using MicroProfile JWT.

25 minutes

Configuring microservices

Learn how to use the MicroProfile Config specification to externalize configuration data for an application.

20 minutes

Injecting dependencies into microservices

Learn how to use Contexts and Dependency Injection (CDI) to manage and inject dependencies into microservices.

15 minutes

Separating configuration from code in microservices

Learn how to perform static configuration injection using MicroProfile Config.

25 minutes

Interactive

Building a web application with Gradle

Learn how to build and test a web application using a build configuration script, the Gradle War plug-in and Open Liberty Gradle plug-in.

15 minutes

Using Docker containers to develop microservices

Learn how to use Docker containers for iterative development.

20 minutes

Consuming a RESTful web service with AngularJS

Explore how to access a simple RESTful web service and consume its resources with AngularJS in Open Liberty.

20 minutes

Enabling Cross-Origin Resource Sharing (CORS)

Learn how to enable CORS in Open Liberty without writing Java code to access resources from an external domain.

15 minutes

Creating a multi-module application

Learn how to build an application consisting of JAR, WAR, and EAR modules with Maven

30 minutes

Preventing repeated failed calls to microservices

Learn how to create a fault-tolerant microservice using MicroProfile's CircuitBreaker and Fallback policies.

25 minutes

Interactive

Creating a RESTful web service

Learn how to create a REST service with JAX-RS, JSON-B, and Open Liberty.

30 minutes

Creating a hypermedia-driven RESTful web service

Learn how to use Hypermedia As The Engine Of Application State (HATEOAS) to drive your RESTful web service

30 minutes

Building a web application with Maven

Learn how to build and test a simple web application using Maven and Open Liberty

15 minutes

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