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É possível usar qualquer biblioteca compatível com Java com um ambiente de execução compatível com Java para escrever funções do Cloud Run em Java. É possível usar o
Maven ou o Gradle para gerenciar
dependências em Java nas funções do Cloud Run.
Como declarar e gerenciar dependências
É possível declarar e gerenciar dependências com o Maven ou o Gradle:
Para gerenciar dependências usando o Maven:
Especifique as dependências na seção <dependencies> no
arquivo pom.xml
do projeto.
Para gerenciar a dependência do projeto no próprio Maven, use o
Maven Wrapper. Se você não usar o
Maven Wrapper, as funções do Cloud Run usarão uma versão recente do Maven
por padrão ao executar gcloud functions deploy.
Para gerenciar dependências com o Gradle, especifique as dependências no
arquivo build.gradle
(em inglês) do projeto.
O Functions Framework
é uma dependência necessária para todas as funções. Embora as funções do Cloud Run
o instalem em seu nome quando a função
é criada, recomendamos que você a inclua como uma dependência explícita para
maior clareza.
Se a
função depende de dependências particulares, recomendamos que você
espelhe functions-framework no registro particular. Inclua o functions-framework
espelhado como uma dependência da sua função para evitar a instalação do
pacote pela Internet pública.
Como usar as bibliotecas de cliente do Google Cloud para Java
Este arquivo build.gradle inclui uma tarefa personalizada para ajudar você a executar
funções localmente.
applyplugin:'java'repositories{jcenter()mavenCentral()}configurations{invoker}dependencies{// Every function needs this dependency to get the Functions Framework API.compileOnly'com.google.cloud.functions:functions-framework-api:1.1.0'// To run function locally using Functions Framework's local invokerinvoker'com.google.cloud.functions.invoker:java-function-invoker:1.3.1'// These dependencies are only used by the tests.testImplementation'com.google.cloud.functions:functions-framework-api:1.1.0'testImplementation'junit:junit:4.13.2'testImplementation'com.google.truth:truth:1.4.0'testImplementation'org.mockito:mockito-core:5.10.0'}// Register a "runFunction" task to run the function locallytasks.register("runFunction",JavaExec){main='com.google.cloud.functions.invoker.runner.Invoker'classpath(configurations.invoker)inputs.files(configurations.runtimeClasspath,sourceSets.main.output)args('--target',project.findProperty('run.functionTarget')?:'','--port',project.findProperty('run.port')?:8080)doFirst{args('--classpath',files(configurations.runtimeClasspath,sourceSets.main.output).asPath)}}
[[["Fácil de entender","easyToUnderstand","thumb-up"],["Meu problema foi resolvido","solvedMyProblem","thumb-up"],["Outro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Informações incorretas ou exemplo de código","incorrectInformationOrSampleCode","thumb-down"],["Não contém as informações/amostras de que eu preciso","missingTheInformationSamplesINeed","thumb-down"],["Problema na tradução","translationIssue","thumb-down"],["Outro","otherDown","thumb-down"]],["Última atualização 2025-09-04 UTC."],[],[],null,["# Specify dependencies in Java\n\nYou can use any Java compatible libraries with a\n[supported Java runtime](/run/docs/configuring/services/runtime-base-images#java)\nto write Cloud Run functions in Java. You can use either\n[Maven](https://maven.apache.org) or [Gradle](https://gradle.org) to manage\ndependencies for your Java Cloud Run functions.\n\nDeclaring and managing dependencies\n-----------------------------------\n\nYou can declare and manage dependencies using either Maven or Gradle:\n\n- To manage dependencies using Maven:\n\n - Specify the dependencies in the `\u003cdependencies\u003e` section inside the\n [`pom.xml`](http://maven.apache.org/guides/introduction/introduction-to-the-pom.html)\n file of your project.\n\n - To manage your project's dependency on Maven itself, you can use the\n [Maven Wrapper](https://maven.apache.org/wrapper/). If you don't use the\n Maven Wrapper, Cloud Run functions defaults to using a recent\n version of Maven when running [`gcloud functions deploy`](/sdk/gcloud/reference/functions/deploy).\n\n- To manage dependencies using Gradle, you specify the dependencies in the\n [`build.gradle`](https://docs.gradle.org/current/userguide/tutorial_using_tasks.html)\n file of your project.\n\nThe [Functions Framework](https://github.com/GoogleCloudPlatform/functions-framework-java)\nis a required dependency for all functions. Although\nCloud Run functions installs it on your behalf when the function\nis created, we recommend that you include it as an explicit dependency for\nclarity.\n\nIf your\nfunction relies on private dependencies, we recommend that you\nmirror `functions-framework` to your private registry. Include the mirrored\n`functions-framework` as a dependency to your function to avoid installing the\npackage from the public internet.\n\nUsing the Google Cloud Client Libraries for Java\n------------------------------------------------\n\n[Google Cloud Client Libraries for\nJava](https://github.com/googleapis/google-cloud-java) provide idiomatic access\nto Google Cloud services. To use a library, declare it as a dependency.\n\nTypically you only declare dependencies on the specific libraries that your\nfunction needs. For example: \n\n### Maven\n\n \u003cproject xmlns=\"http://maven.apache.org/POM/4.0.0\"\n xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\"\u003e\n \u003cmodelVersion\u003e4.0.0\u003c/modelVersion\u003e\n\n \u003cgroupId\u003ecom.example.functions\u003c/groupId\u003e\n \u003cartifactId\u003efunctions-hello-world\u003c/artifactId\u003e\n \u003cversion\u003e1.0.0-SNAPSHOT\u003c/version\u003e\n \u003cproperties\u003e\n \u003cmaven.compiler.target\u003e11\u003c/maven.compiler.target\u003e\n \u003cmaven.compiler.source\u003e11\u003c/maven.compiler.source\u003e\n \u003c/properties\u003e\n\n \u003cdependencies\u003e\n \u003c!-- Required for Function primitives --\u003e\n \u003cdependency\u003e\n \u003cgroupId\u003ecom.google.cloud.functions\u003c/groupId\u003e\n \u003cartifactId\u003efunctions-framework-api\u003c/artifactId\u003e\n \u003cversion\u003e1.1.0\u003c/version\u003e\n \u003cscope\u003eprovided\u003c/scope\u003e\n \u003c/dependency\u003e\n \u003c/dependencies\u003e\n\n \u003cbuild\u003e\n \u003cplugins\u003e\n \u003cplugin\u003e\n \u003c!--\n Google Cloud Functions Framework Maven plugin\n\n This plugin allows you to run Cloud Functions Java code\n locally. Use the following terminal command to run a\n given function locally:\n\n mvn function:run -Drun.functionTarget=your.package.yourFunction\n --\u003e\n \u003cgroupId\u003ecom.google.cloud.functions\u003c/groupId\u003e\n \u003cartifactId\u003efunction-maven-plugin\u003c/artifactId\u003e\n \u003cversion\u003e0.11.0\u003c/version\u003e\n \u003cconfiguration\u003e\n \u003cfunctionTarget\u003efunctions.HelloWorld\u003c/functionTarget\u003e\n \u003c/configuration\u003e\n \u003c/plugin\u003e\n \u003c/plugins\u003e\n \u003c/build\u003e\n \u003c/project\u003e\n\n### Gradle\n\nNote that this `build.gradle` file includes a custom task to help you run\nfunctions locally. \n\n apply plugin: 'java'\n\n repositories {\n jcenter()\n mavenCentral()\n }\n configurations {\n invoker\n }\n\n dependencies {\n // Every function needs this dependency to get the Functions Framework API.\n compileOnly 'com.google.cloud.functions:functions-framework-api:1.1.0'\n\n // To run function locally using Functions Framework's local invoker\n invoker 'com.google.cloud.functions.invoker:java-function-invoker:1.3.1'\n\n // These dependencies are only used by the tests.\n testImplementation 'com.google.cloud.functions:functions-framework-api:1.1.0'\n testImplementation 'junit:junit:4.13.2'\n testImplementation 'com.google.truth:truth:1.4.0'\n testImplementation 'org.mockito:mockito-core:5.10.0'\n\n }\n\n // Register a \"runFunction\" task to run the function locally\n tasks.register(\"runFunction\", JavaExec) {\n main = 'com.google.cloud.functions.invoker.runner.Invoker'\n classpath(configurations.invoker)\n inputs.files(configurations.runtimeClasspath, sourceSets.main.output)\n args(\n '--target', project.findProperty('run.functionTarget') ?: '',\n '--port', project.findProperty('run.port') ?: 8080\n )\n doFirst {\n args('--classpath', files(configurations.runtimeClasspath, sourceSets.main.output).asPath)\n }\n }"]]