Java

Progress Users Can Trust for Long-Running Enterprise Jobs

Build an honest two-stage progress UI with Quarkus, PostgreSQL, Scheduler, SSE, cancellation, and state that survives a page reload.

Jul 24 • Markus Eisele

Quarkus TOTP with Vault: What Production-Ready Step-Up Requires

Turn one valid TOTP code into a two-minute step-up JWT, then let Quarkus RBAC protect the sensitive operation and test replay against Vault.

Jul 22 • Markus Eisele

Put OPA in Front of Your Quarkus MCP Tools

Use structured policy input and caller context to decide which MCP tools a client can see and call.

Jul 17 • Markus Eisele

Build Your First Hardened Quarkus Image with Jib and Java 25

The final Quarkus service in this article has no Dockerfile.

Jul 13 • Markus Eisele

Agentic Engineering Still Needs Human Judgment

After 510 daily posts on The Main Thread, this is a practical note on publishing cadence, Quarkus craft, and why agent-assisted work still needs…

Jul 11 • Markus Eisele

Give IBM Bob a Memory of the Quarkus Codebase

Indexed Quarkus with codebase-memory-mcp, ran the same @ConfigMapping trace with grep vs graph tools, compared cost

Jul 10 • Markus Eisele

Wanaku MCP Router: Getting Started on Your Laptop

Run a local Wanaku router, import an HTTP toolset, forward an upstream MCP server, and merge both into one agent catalog.

Jul 8 • Markus Eisele

Build a Similar-Incident Finder with Quarkus and Qdrant

Turn Java incidents into vectors with deterministic feature hashing, store them in Qdrant, and find the nearest past failures when production breaks.

Jul 6 • Markus Eisele

Quarkus Multitenancy Without Tenant Plumbing in Every Service

Use the Quarkiverse Multitenancy extension to resolve tenants from headers, JWTs, or custom sources and keep your service layer free of tenant plumbing.

Jul 5 • Markus Eisele

Quarkus SPDX SBOMs: JSON-LD, Licenses, Real Checks

Build a small Quarkus service, generate an SPDX 3.0.1 SBOM, inspect the JSON-LD graph, and see exactly where NTIA and CISA checks still fail.

Jul 3 • Markus Eisele

Build a Refund Workflow with Quarkus Flow 0.11

Build a small refund service that keeps policy in plain Java and lets Quarkus Flow handle CloudEvents, correlation, waiting state, and restart-safe…

Jul 2 • Markus Eisele

Quarkus Data Hibernate: A New Path for Java Persistence

Build a small catalog API to see generated repositories, checked HQL, managed updates, stateless writes, paging, validation, and tests in one realistic…

Jul 1 • Markus Eisele

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