create-quarkus-project
Create a new Quarkus project (Maven or Gradle) with the Quarkus CLI, code.quarkus.io API or Maven plugin, choose extensions, and run it in dev mode. Use when asked to scaffold, bootstrap or start a Quarkus application or REST API.
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SKILL.md
Create a Quarkus Project
1. Detect the environment
java -version # Java 17, 21 or 25 (Quarkus 3.40 recommends 25, 3.27 recommends 21)
quarkus --version # optional Quarkus CLI
./mvnw -v || mvn -v # or ./gradlew -v
If the folder already contains a Quarkus project (io.quarkus.platform BOM, quarkus-maven-plugin, or io.quarkus Gradle plugin), do NOT scaffold: read its Quarkus version and keep it. For a new project, use the stream marked recommended on https://code.quarkus.io/api/streams (an LTS stream; see also https://quarkus.io/support/), and do not invent a patch version: let the tool pick it. Quarkus 4.0 is still a beta, so do not use it unless asked. If an extension is missing from the recommended stream, the CLI silently picks an older stream; check quarkus.platform.version in the generated build file.
2. Scaffold (pick one)
Quarkus CLI (install via https://quarkus.io/get-started/ , e.g. SDKMAN sdk install quarkus):
quarkus create app com.example:demo \
--extension='rest-jackson,hibernate-orm-panache,jdbc-postgresql,hibernate-validator,smallrye-health' \
--java=21 --maven # or --gradle
No CLI: Maven plugin (pin the version to the current release from https://quarkus.io/guides/maven-tooling, replace QUARKUS_VERSION below with it):
mvn io.quarkus.platform:quarkus-maven-plugin:QUARKUS_VERSION:create \
-DprojectGroupId=com.example -DprojectArtifactId=demo \
-Dextensions='rest-jackson,hibernate-orm-panache,jdbc-postgresql' \
-DbuildTool=maven # or gradle
Or generate from the https://code.quarkus.io web UI / REST API (https://code.quarkus.io/d?g=com.example&a=demo&e=rest-jackson&b=MAVEN) and unzip.
3. Choose extensions
| Need | Extension |
|---|---|
| REST + JSON | rest-jackson (Quarkus REST; not legacy resteasy) |
| Database ORM | hibernate-orm-panache, jdbc-postgresql |
| Validation | hibernate-validator |
| Health / metrics | smallrye-health, micrometer-registry-prometheus |
| Auth | oidc or smallrye-jwt |
| OpenAPI | smallrye-openapi |
| REST client | rest-client-jackson |
| Container | container-image-jib (or container-image-docker) |
Add later with quarkus extension add <name> or ./mvnw quarkus:add-extension -Dextensions=<name>; quarkus extension list --installable lists options.
4. Layout and run
src/main/java/... # resources, services, entities
src/main/resources/application.properties
src/main/docker/ # Dockerfile.jvm, Dockerfile.native, ...
src/test/java/... # @QuarkusTest / @QuarkusIntegrationTest
./mvnw quarkus:dev # or: quarkus dev / ./gradlew quarkusDev
Generated tests include a *IT class that Maven skips by default (<skipITs>true</skipITs> in the template); run it with ./mvnw verify -DskipITs=false or -Dnative. Dev mode gives live reload, Dev UI at http://localhost:8080/q/dev-ui, Dev Services (auto containers), and continuous testing (press r). Package: ./mvnw package (runnable target/quarkus-app/quarkus-run.jar).
References
- Configuration
- Database (Dev Services, Hibernate, Flyway/Liquibase)
- Security basics
- Container images
- Local runtime insights (BootUI)
Verified (scaffold, ./mvnw verify, ./gradlew build, dev mode, Dev Services PostgreSQL, JDK 26 with Java 25 release) on Quarkus 3.40.1 (current recommended LTS stream) and ./mvnw verify on 3.27.6 (older LTS).
Related skills: quarkus-dev-services-and-testing, quarkus-native-and-container.
Upstream sources (read before upgrading)
Fetch the page for the target version; prefer it over this skill when they conflict.
quarkus update(automated upgrade, uses OpenRewrite): https://quarkus.io/guides/update-quarkus- Migration guides, one wiki page per minor: https://github.com/quarkusio/quarkus/wiki/Migration-Guide-3.20 (change the version)
- Release announcements: https://quarkus.io/blog/
- LTS policy and current LTS: https://quarkus.io/blog/lts-releases/
Files
6- SKILL.md
91be9b0c944.4 KB - references/configuration.md
2989d1e1e21.2 KB - references/container-image.md
436b3015261.3 KB - references/database.md
dd310850222.9 KB - references/local-runtime-insights.md
0d3b83c223696 B - references/security.md
76028946cf744 B
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