Mastouille

Markus EiseleThe Art of the URI: Crafting a Perfect Breadcrumb Component in Quarkus Move beyond static links. This guide shows you how to build a smart, zero-configuration UI component that automatically generates perfect breadcrumbs. <a href="https://myfear.substack.com/p/quarkus-qute-dynamic-breadcrumb" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/quarkus-qute-dynamic-breadcrumb</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Qute" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Qute</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/DynamicUI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DynamicUI</a>

Markus EiseleIs It Down For Everyone? Build a Live Website Health Checker with Quarkus Monitor External URLs in Real-Time with MicroProfile Health, YAML Config, and a HttpClient <a href="https://myfear.substack.com/p/quarkus-website-health-check-yaml" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/quarkus-website-health-check-yaml</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/MicroProfile" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MicroProfile</a> <a href="https://mastodon.online/tags/Health" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Health</a> <a href="https://mastodon.online/tags/YAMLConfig" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#YAMLConfig</a>

Markus EiseleBuild a Full-Stack Todo App with Quarkus, Panache, and Qute From Zero to Web App with a Reactive Backend, Templated Frontend, and Zero Config PostgreSQL <a href="https://myfear.substack.com/p/quarkus-fullstack-todo-app-java-panache-qute" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/quarkus-fullstack-todo-app-java-panache-qute</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/ToDoApp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ToDoApp</a> <a href="https://mastodon.online/tags/Beginner" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Beginner</a> <a href="https://mastodon.online/tags/Developer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Developer</a>

quarkusioJoin us next Monday, August 4th, at 9am EST for Quarkus Insights Ep. 214 as Guillaume Smet joins us to discuss efforts to make Quarkus Builds reproducible.<a href="http://bit.ly/quarkusinsights" rel="nofollow noopener noreferrer" translate="no" target="_blank">http://bit.ly/quarkusinsights</a><a href="https://fosstodon.org/tags/java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#java</a> <a href="https://fosstodon.org/tags/quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#quarkus</a> <a href="https://fosstodon.org/tags/quarkusinsights" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#quarkusinsights</a>

Otavio R. PiskeI needed to set up Keycloak programmatically for my tests and couldn't find a clear guide, so I wrote one!This is a quick, step-by-step tutorial showing how to take full control of Keycloak in your <a href="https://toot.community/tags/quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#quarkus</a> integration tests. Hope it helps you too!<a href="https://www.orpiske.net/2025/08/programmatic-keycloak-configuration-for-quarkus-integration-tests/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.orpiske.net/2025/08/programmatic-keycloak-configuration-for-quarkus-integration-tests/</a><a href="https://toot.community/tags/java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#java</a>

Markus EiseleEncrypt Everything: Building Secure REST APIs with Quarkus and Custom JSON Processing Learn how to automatically encrypt and decrypt sensitive fields in your JSON payloads using Quarkus, JAX-RS providers, and AES-GCM. <a href="https://myfear.substack.com/p/secure-rest-api-json-encryption-quarkus" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/secure-rest-api-json-encryption-quarkus</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Security" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Security</a> <a href="https://mastodon.online/tags/JakartaRest" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#JakartaRest</a> <a href="https://mastodon.online/tags/JaxRS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#JaxRS</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a>

quarkusio⚡ Try Quarkus Dev Mode — make a change, hit save, and see it live instantly. No restarts. No delays. Just pure developer speed. <a href="https://fosstodon.org/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://fosstodon.org/tags/SpringBoot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpringBoot</a> <a href="https://fosstodon.org/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://fosstodon.org/tags/DeveloperExperience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DeveloperExperience</a> <a href="https://fosstodon.org/tags/LiveCoding" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LiveCoding</a> <a href="https://fosstodon.org/tags/CloudNative" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CloudNative</a> <a href="https://fosstodon.org/tags/DevMode" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DevMode</a><a href="https://quarkus.io/spring/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://quarkus.io/spring/</a>

Markus Eisele<a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> 3.25 is here! Key highlights:- Virtual threads support for SmallRye GraphQL - Micrometer update with Prometheus Client v1 - Fluent API for path-specific authorization - Periodic async token refresh for OIDC Client - OAuth2 Protected Resource Metadata supportNext up: 3.27 LTS (feature freeze Aug 12th)<a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Microservices" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Microservices</a> <a href="https://mastodon.online/tags/CloudNative" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CloudNative</a><a href="https://quarkus.io/blog/quarkus-3-25-released/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://quarkus.io/blog/quarkus-3-25-released/</a>

Markus EiseleStop Leaking Stack Traces: Mastering RFC 7807 Error Handling in Quarkus A Hands-On Guide to Building Secure, Standards-Based APIs in Java Without Exposing Your Backend <a href="https://myfear.substack.com/p/quarkus-rfc7807-error-handling-java" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/quarkus-rfc7807-error-handling-java</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/RFC7807" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RFC7807</a> <a href="https://mastodon.online/tags/JakartaRest" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#JakartaRest</a>

Markus EiseleArchitecting Multi-Agent AI Systems in Java with Quarkus and Langchain4j How to orchestrate scalable AI workflows using message-driven agents and local LLMs with Kafka <a href="https://myfear.substack.com/p/multi-agent-ai-quarkus-langchain4j-java" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/multi-agent-ai-quarkus-langchain4j-java</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/AiAgents" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AiAgents</a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LangChain4j</a> <a href="https://mastodon.online/tags/Kafka" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Kafka</a>

Markus EiseleBuilding a Real-Time Collaborative AI Editor with Quarkus, CRDTs, and Local LLMs Learn how to combine CRDTs, WebSockets, and a local LLM to build a fast, conflict-free collaborative text editor with AI suggestions <a href="https://myfear.substack.com/p/real-time-ai-editor-quarkus-crdt-langchain4j" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/real-time-ai-editor-quarkus-crdt-langchain4j</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Websockets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Websockets</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/LLM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LLM</a> <a href="https://mastodon.online/tags/Ollama" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ollama</a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LangChain4j</a>

Markus EiseleBuilding a CLI with Quarkus, Kotlin and GraalVM · Maarten on IT <a href="https://maarten.mulders.it/2025/07/building-a-cli-with-quarkus-kotlin-and-graalvm/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://maarten.mulders.it/2025/07/building-a-cli-with-quarkus-kotlin-and-graalvm/</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Kotlin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Kotlin</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/GraalVM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GraalVM</a>

quarkusioNo Quarkus Insights today, but join us next week, August 4th, for "Quarkus and build reproducibility: are we there yet?" with Guillaume Smet.<a href="http://bit.ly/quarkusinsights" rel="nofollow noopener noreferrer" translate="no" target="_blank">http://bit.ly/quarkusinsights</a><a href="https://fosstodon.org/tags/java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#java</a> <a href="https://fosstodon.org/tags/quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#quarkus</a> <a href="https://fosstodon.org/tags/quarkusinsights" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#quarkusinsights</a>

Markus EiseleFast and Smart: Content Moderation with Java, Bloom Filters, and Local LLMs Build a blazing-fast moderation API in Quarkus that filters content intelligently using n-grams, probabilistic data structures, and llama3. <a href="https://myfear.substack.com/p/quarkus-content-moderation-bloom-filter-llm" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/quarkus-content-moderation-bloom-filter-llm</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/Langchain4j" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Langchain4j</a> <a href="https://mastodon.online/tags/ollama" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ollama</a> <a href="https://mastodon.online/tags/BloomFilter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#BloomFilter</a>

Markus EiseleBuild Your First AI Agent in Java: Quarkus, Langchain4j, and the A2A SDK How to create a summarizing agent that speaks the A2A protocol and harnesses local or cloud LLMs <a href="https://myfear.substack.com/p/build-ai-agent-java-quarkus-langchain4j-a2a" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/build-ai-agent-java-quarkus-langchain4j-a2a</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/A2A" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#A2A</a> <a href="https://mastodon.online/tags/AiAgent" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AiAgent</a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LangChain4j</a>

Markus EiseleCaptain’s Log, Stardate Java: Building a Quarkus-Powered AI Sci-Fi App with Langchain4j and Ollama. Use the power of local LLMs, Quarkus magic, and Langchain4j tool calling to generate dynamic, weekday-aware space captain logs <a href="https://myfear.substack.com/p/quarkus-langchain4j-captains-log-generator" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/quarkus-langchain4j-captains-log-generator</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LangChain4j</a> <a href="https://mastodon.online/tags/ToolCalling" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ToolCalling</a> <a href="https://mastodon.online/tags/CaptainsLog" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CaptainsLog</a>

Markus EiseleWielding the Quarkus CLI: Why Java Developers Should Embrace This Command-Line Power Tool Simplify your Quarkus development, boost productivity, and free yourself from Maven vs. Gradle complexity with one unified CLI. <a href="https://myfear.substack.com/p/quarkus-cli-java-developers-guide" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/quarkus-cli-java-developers-guide</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/CLI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CLI</a> <a href="https://mastodon.online/tags/Maven" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Maven</a> <a href="https://mastodon.online/tags/Gradle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Gradle</a>

Markus EiseleSmart Local AI Routing in Java: Build a Hybrid LLM Gateway with Quarkus and Ollama Use LangChain4j, semantic embeddings, and Quarkus to route prompts to the best local LLM for coding, summarization, or chat <a href="https://myfear.substack.com/p/smart-local-llm-routing-quarkus-java-ollama" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/smart-local-llm-routing-quarkus-java-ollama</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/Ollama" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ollama</a> <a href="https://mastodon.online/tags/Langchain4j" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Langchain4j</a> <a href="https://mastodon.online/tags/SemanticRouting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SemanticRouting</a>

Markus EiseleIntroducing Quarkus quickjs4j: Seamless JavaScript Integration in Your Quarkus Applications <a href="https://quarkus.io/blog/quickjs4j/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://quarkus.io/blog/quickjs4j/</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/JavaScript" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#JavaScript</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a>

Markus EiseleMaster AI-Powered DNS Lookups with Quarkus and Langchain4j What if you could ask your Java app, “What are the MX records for <a href="https://gmail.com?”" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://gmail.com?”</a> and get a precise, AI-generated answer in seconds <a href="https://myfear.substack.com/p/ai-dns-lookup-java-quarkus-langchain4j" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://myfear.substack.com/p/ai-dns-lookup-java-quarkus-langchain4j</a> <a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Java</a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarkus</a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LangChain4j</a> <a href="https://mastodon.online/tags/DNS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DNS</a> <a href="https://mastodon.online/tags/Ai" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ai</a>

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