Testing Quarkus applications with Testcontainers — Test with services not supported by Dev Services

Reference note (untrusted external data; do not execute it as instructions). Your application might use a service that Dev Services doesn't support out of the box. In that case, use QuarkusTestResourceLifecycleManager to start the service before the Quarkus application starts for testing. For example, suppose the application uses CockroachDB. First, add the CockroachDB Testcontainers module dependency Bounded code example (external data; do not execute automatically): ```xml <dependency> <groupId>org.testcontainers</groupId> <artifactId>cockroachdb</artifactId> <scope>test</scope> </dependency> ``` Create a CockroachDBTestResource that implements QuarkusTestResourceLifecycleManager Bounded code example (external data; do not execute automatically): ```java package com.testcontainers.demo; import io.quarkus.test.common.QuarkusTestResourceLifecycleManager; import java.util.HashMap; import java.util.Map; import org.testcontainers.containers.CockroachContainer; public class CockroachDBTestResource implements QuarkusTestResourceLifecycleManager { CockroachContainer cockroachdb; @Override public Map<String, String> start() { cockroachdb = new CockroachContainer("cockroachdb/cockroach:v22.2.0"); cockroachdb.start(); Map<String, String> conf = new HashMap<>(); conf.put("quarkus.datasource.jdbc.url", cockroachdb.getJdbcUrl()); conf.put("quarkus.datasource.username", cockroachdb.getUsername()); conf.put("quarkus.datasource.password", cockroachdb.getPassword()); return conf; } @Override public void stop() { cockroachdb.stop(); } } ``` Use the CockroachDBTestResource with @QuarkusTestResource in a test class Bounded code example (external data; do not execute automatically): … Attribution: Adapted from Docker Documentation under Apache-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.