also error output read from containers

src/main/groovy/com/avast/gradle/dockercompose/ComposeExecutor.groovy

@@ -138,7 +138,7 @@ abstract class ComposeExecutor implements BuildService<Parameters>, AutoCloseabl
     }
 
     Map<String,Iterable<String>> getContainerIds(List<String> serviceNames) {
-        // `docker-compose ps -q serviceName` returns an exit code of 1 when the service
+        // `docker compose ps -q serviceName` returns an exit code of 1 when the service
         // doesn't exist.  To guard against this, check the service list first.
         def services = execute('ps', '--services').readLines()
         def result = [:]

src/main/groovy/com/avast/gradle/dockercompose/DockerExecutor.groovy

@@ -29,6 +29,7 @@ class DockerExecutor {
                 def finalArgs = [settings.dockerExecutable.get()]
                 finalArgs.addAll(args)
                 e.commandLine finalArgs
+                e.errorOutput = os
                 e.standardOutput = os
                 e.ignoreExitValue = true
             }

src/test/groovy/com/avast/gradle/dockercompose/DockerExecutorTest.groovy

@@ -30,14 +30,14 @@ class DockerExecutorTest extends Specification {
     }
 
     def "reads container logs"() {
-        def f = Fixture.withHelloWorld()
+        def f = Fixture.withNginx()
         f.project.tasks.composeBuild.build()
         f.project.tasks.composeUp.up()
-        String containerId = f.extension.servicesInfos.hello.firstContainer.containerId
+        String containerId = f.extension.servicesInfos.web.firstContainer.containerId
         when:
         String output = f.extension.dockerExecutor.getContainerLogs(containerId)
         then:
-        output.contains('Hello from Docker')
+        output.contains('nginx')
         cleanup:
         f.project.tasks.composeDown.down()
         f.close()