{"id":15716,"date":"2024-05-13T12:50:50","date_gmt":"2024-05-13T19:50:50","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=15716"},"modified":"2024-05-17T14:49:47","modified_gmt":"2024-05-17T21:49:47","slug":"java-microservices","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/pt\/java-microservices\/","title":{"rendered":"Uma vis\u00e3o geral dos microsservi\u00e7os Java"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Na \u00faltima d\u00e9cada, os microsservi\u00e7os mudaram a forma como os desenvolvedores e as organiza\u00e7\u00f5es criam e enviam aplicativos. De acordo com <\/span><a href=\"https:\/\/survey.stackoverflow.co\/2023\/#section-developer-experience-developer-experience-processes-tools-and-programs-within-an-organization\"><span style=\"font-weight: 400;\">Pesquisa de desenvolvedores do Stack Overflow de 2023<\/span><\/a><span style=\"font-weight: 400;\">Em um estudo realizado em 2008, cerca de 49% de profissionais de software usam microsservi\u00e7os diariamente. Para entender melhor como os microsservi\u00e7os ganharam popularidade, analisaremos o cen\u00e1rio do Java e exploraremos como e quando voc\u00ea deve criar e enviar microsservi\u00e7os usando Java.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">O que s\u00e3o microsservi\u00e7os em Java?<\/span><\/h2>\n<p><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/microservices-development-best-practices\/\"><span style=\"font-weight: 400;\">Microsservi\u00e7os<\/span><\/a><span style=\"font-weight: 400;\"> s\u00e3o um padr\u00e3o de arquitetura de sistema que permite aos desenvolvedores criar e implementar aplicativos de forma modular. Uma arquitetura modular significa que um servi\u00e7o pode ser alterado e implementado independentemente do restante dos servi\u00e7os do sistema. Cada microsservi\u00e7o \u00e9 projetado para executar uma fun\u00e7\u00e3o comercial espec\u00edfica e pode ser desenvolvido, implantado e dimensionado separadamente.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Os microsservi\u00e7os em Java permitem que os programadores usem o Java para criar e enviar servi\u00e7os pequenos e grandes usando os recursos fornecidos pelo <\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Java_virtual_machine\"><span style=\"font-weight: 400;\">M\u00e1quina virtual Java (JVM)<\/span><\/a><span style=\"font-weight: 400;\"> e o ecossistema Java.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Como funcionam os microsservi\u00e7os Java?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Os microsservi\u00e7os Java funcionam como componentes separados e aut\u00f4nomos que trabalham juntos para atender aos requisitos de um aplicativo espec\u00edfico. Essa separa\u00e7\u00e3o de preocupa\u00e7\u00f5es faz com que cada microsservi\u00e7o seja respons\u00e1vel por um \u00fanico recurso de neg\u00f3cios e se comunique com outros microsservi\u00e7os e sistemas externos por meio de interfaces bem definidas.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Como os microsservi\u00e7os se comunicam entre si em Java?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Os microsservi\u00e7os Java podem se comunicar uns com os outros principalmente por meio de protocolos da Web existentes, como HTTP\/REST e filas de mensagens, <\/span><a href=\"https:\/\/aws.amazon.com\/what-is\/pub-sub-messaging\/\"><span style=\"font-weight: 400;\">pub\/sub<\/span><\/a><span style=\"font-weight: 400;\"> sistemas como RabbitMQ ou Apache Kafka, ou at\u00e9 mesmo protocolos de comunica\u00e7\u00e3o mais recentes, como <\/span><a href=\"https:\/\/spring.io\/guides\/gs\/graphql-server\"><span style=\"font-weight: 400;\">GraphQL<\/span><\/a><span style=\"font-weight: 400;\"> e <\/span><a href=\"https:\/\/grpc.io\/docs\/languages\/java\/quickstart\/\"><span style=\"font-weight: 400;\">gRPC<\/span><\/a><span style=\"font-weight: 400;\">. A escolha do m\u00e9todo de comunica\u00e7\u00e3o depende de fatores como requisitos de desempenho, escalabilidade e complexidade do aplicativo. Muitas arquiteturas de microsservi\u00e7os usam uma combina\u00e7\u00e3o dessas abordagens para se comunicar dentro do sistema.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Microsservi\u00e7os Java vs. Monolito<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Aqui est\u00e3o algumas das principais diferen\u00e7as entre o uso de uma arquitetura de microsservi\u00e7os e uma arquitetura monol\u00edtica:\u00a0<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Escalabilidade<\/b><span style=\"font-weight: 400;\">: Os microsservi\u00e7os oferecem melhor <\/span><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/scaling-microservices\/\"><span style=\"font-weight: 400;\">escalabilidade<\/span><\/a><span style=\"font-weight: 400;\"> porque cada servi\u00e7o pode ser dimensionado de forma independente \u00e0 medida que os usu\u00e1rios ativos do produto aumentam. Entretanto, o dimensionamento de um aplicativo monol\u00edtico normalmente envolve o dimensionamento de todo o aplicativo, mesmo que apenas m\u00f3dulos espec\u00edficos exijam recursos adicionais.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Capacidade de manuten\u00e7\u00e3o e desenvolvimento<\/b><span style=\"font-weight: 400;\">: Os microsservi\u00e7os permitem que equipes de desenvolvimento menores e focadas trabalhem de forma independente em diferentes servi\u00e7os. Cada equipe pode definir limites claros entre os servi\u00e7os, resultando em ciclos de desenvolvimento mais r\u00e1pidos e depura\u00e7\u00e3o e teste mais f\u00e1ceis de servi\u00e7os individuais. Em arquiteturas monol\u00edticas, os aplicativos podem se tornar complexos e dif\u00edceis de manter \u00e0 medida que crescem em tamanho e funcionalidade. Nos est\u00e1gios iniciais de seu produto, \u00e9 uma boa aposta ter um sistema monol\u00edtico e adaptar-se aos microsservi\u00e7os \u00e0 medida que sua organiza\u00e7\u00e3o cresce.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Resili\u00eancia<\/b><span style=\"font-weight: 400;\">: Os microsservi\u00e7os s\u00e3o mais resistentes a falhas, pois os problemas em um servi\u00e7o n\u00e3o afetam necessariamente todo o aplicativo. Com os mon\u00f3litos, um \u00fanico ponto de falha em um aplicativo pode derrubar todo o sistema. Nesses casos, o ideal \u00e9 contar com mecanismos de toler\u00e2ncia a falhas ao escrever aplicativos Java.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">O Java \u00e9 bom para microsservi\u00e7os?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">O Java \u00e9 ideal para a cria\u00e7\u00e3o de microsservi\u00e7os devido a suas extensas bibliotecas, otimiza\u00e7\u00f5es de desempenho e vasto ecossistema. Vamos explicar melhor o motivo abaixo:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Bibliotecas extensas<\/b><span style=\"font-weight: 400;\">: Bibliotecas como a Spring Cloud Netflix fornecem componentes essenciais para a cria\u00e7\u00e3o de sistemas distribu\u00eddos, incluindo descoberta de servi\u00e7os (Eureka), toler\u00e2ncia a falhas (Hystrix) e balanceamento de carga no lado do cliente (Ribbon). Essas bibliotecas se integram perfeitamente aos aplicativos Java, permitindo que os desenvolvedores implementem arquiteturas de microsservi\u00e7os resilientes e dimension\u00e1veis. Alguns outros microsservi\u00e7os Java amplamente usados pelos desenvolvedores s\u00e3o Spring Boot, Jersey, Dropwizard e Spark.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Otimiza\u00e7\u00f5es de desempenho<\/b><span style=\"font-weight: 400;\">: O JVM evoluiu significativamente para dar suporte \u00e0 arquitetura de microsservi\u00e7os. Com inova\u00e7\u00f5es como o GraalVM e aprimoramentos no tempo de execu\u00e7\u00e3o da JVM, os aplicativos Java podem alcan\u00e7ar melhores <\/span><a href=\"https:\/\/ionutbalosin.com\/2024\/02\/jvm-performance-comparison-for-jdk-21\/\"><span style=\"font-weight: 400;\">desempenho e efici\u00eancia<\/span><\/a><span style=\"font-weight: 400;\">o que \u00e9 fundamental para os microsservi\u00e7os que lidam com requisitos de alta taxa de transfer\u00eancia e baixa lat\u00eancia. Al\u00e9m disso, os recursos de multithreading do Java permitem que os desenvolvedores lidem com efici\u00eancia com solicita\u00e7\u00f5es simult\u00e2neas, um requisito comum em microsservi\u00e7os.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Alguns grandes produtos voltados para o usu\u00e1rio s\u00e3o a prova da adequa\u00e7\u00e3o do Java para microsservi\u00e7os. Por exemplo:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Netflix<\/b><span style=\"font-weight: 400;\">: <\/span><a href=\"https:\/\/www.infoq.com\/presentations\/netflix-java\/\"><span style=\"font-weight: 400;\">A Netflix usa Java de forma extensiva<\/span><\/a><span style=\"font-weight: 400;\"> para sua arquitetura de microsservi\u00e7os, aproveitando bibliotecas como Hystrix e RxJava para garantir a toler\u00e2ncia a falhas e o balanceamento de carga.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Uber<\/b><span style=\"font-weight: 400;\">: Os servi\u00e7os de back-end da Uber s\u00e3o predominantemente desenvolvidos em Java, o que demonstra sua capacidade de lidar com sistemas distribu\u00eddos em grande escala.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Amazon<\/b><span style=\"font-weight: 400;\">: O AWS Lambda da Amazon, um servi\u00e7o de computa\u00e7\u00e3o sem servidor, suporta Java como um ambiente de tempo de execu\u00e7\u00e3o, demonstrando a adaptabilidade do Java \u00e0s arquiteturas modernas nativas da nuvem.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Casos de uso de microsservi\u00e7os Java<\/span><\/h2>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>An\u00e1lise em tempo real<\/b><span style=\"font-weight: 400;\">: Os microsservi\u00e7os podem processar grandes quantidades de dados em tempo real, o que os torna ideais para aplicativos que exigem an\u00e1lise r\u00e1pida de dados.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Autentica\u00e7\u00e3o do usu\u00e1rio<\/b><span style=\"font-weight: 400;\">: Um servi\u00e7o separado em seu sistema pode lidar com a autentica\u00e7\u00e3o e a autoriza\u00e7\u00e3o do usu\u00e1rio, permitindo que outros servi\u00e7os se concentrem em suas funcionalidades principais.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gerenciamento de invent\u00e1rio<\/b><span style=\"font-weight: 400;\">: Os microsservi\u00e7os podem gerenciar os n\u00edveis de estoque em v\u00e1rias lojas ou dep\u00f3sitos, permitindo maior escalabilidade e flexibilidade.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Aplicativos de IoT<\/b><span style=\"font-weight: 400;\">: Quando v\u00e1rios dispositivos geram grandes volumes de dados, os microsservi\u00e7os Java podem lidar com o processamento de dados, o gerenciamento de dispositivos e a an\u00e1lise em tempo real.<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<h2><span style=\"font-weight: 400;\">Tutorial de microsservi\u00e7os Java<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Vamos ver como usar o Java para iniciar um simples microsservi\u00e7o \"Hello World\" usando a ferramenta de compila\u00e7\u00e3o Gradle.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Etapa 1: Configurar o reposit\u00f3rio ou diret\u00f3rio do projeto<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Se voc\u00ea estiver em sua esta\u00e7\u00e3o de trabalho, crie um diret\u00f3rio vazio para hospedar o servi\u00e7o de amostra. Recomendamos criar um reposit\u00f3rio privado do GitHub visitando <\/span><a href=\"https:\/\/repo.new\/\"><span style=\"font-weight: 400;\">repo.new<\/span><\/a><span style=\"font-weight: 400;\"> em seu navegador da Web. Depois de fazer isso, inicie um espa\u00e7o de c\u00f3digo do GitHub no reposit\u00f3rio rec\u00e9m-criado.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-15717\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2024\/05\/image1-1-1024x460.png\" alt=\"\" width=\"900\" height=\"404\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image1-1-1024x460.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image1-1-300x135.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image1-1-768x345.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image1-1-1536x690.png 1536w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image1-1-1320x593.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image1-1.png 1844w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<h3><span style=\"font-weight: 400;\">Etapa 2: Inicializar um projeto Gradle<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Quando voc\u00ea estiver dentro do espa\u00e7o de trabalho do c\u00f3digo, execute os seguintes comandos para verificar se o Java e o Gradle est\u00e3o instalados no terminal:<\/span><\/p>\n<pre class=\"nums:false lang:default decode:true\">java --version\r\ngradle -vers\u00e3o<\/pre>\n<p><span style=\"font-weight: 400;\">Use o comando a seguir para criar um projeto Java usando o Gradle:<\/span><\/p>\n<pre class=\"nums:false lang:default decode:true\">gradle init --type java-application<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-15718\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2024\/05\/image2-1024x495.png\" alt=\"\" width=\"900\" height=\"435\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image2-1024x495.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image2-300x145.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image2-768x371.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image2-1536x742.png 1536w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image2-1320x638.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/05\/image2.png 1866w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<h3><span style=\"font-weight: 400;\">Etapa 3: Implementar a classe do aplicativo<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Vamos criar um servidor HTTP simples usando <\/span><em><span style=\"font-weight: 400;\">HttpServer<\/span><\/em><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Crie um novo diret\u00f3rio (<\/span><span style=\"font-weight: 400;\">src\/main\/java<\/span><span style=\"font-weight: 400;\">) se ele n\u00e3o existir e, em seguida, crie uma estrutura de diret\u00f3rio de pacote Java (<\/span><span style=\"font-weight: 400;\">com.example.microservice<\/span><span style=\"font-weight: 400;\">) no interior <\/span><span style=\"font-weight: 400;\">src\/main\/java<\/span><span style=\"font-weight: 400;\">. Depois disso, crie um arquivo de c\u00f3digo-fonte Java chamado <\/span><span style=\"font-weight: 400;\">App.java<\/span><span style=\"font-weight: 400;\"> dentro do diret\u00f3rio do pacote.<\/span><\/p>\n<pre class=\"nums:false lang:java decode:true\">pacote org.example;\r\n\r\n\r\nimport com.sun.net.httpserver.HttpServer;\r\nimport com.sun.net.httpserver.HttpHandler;\r\nimport com.sun.net.httpserver.HttpExchange;\r\nImportar java.io.IOException;\r\nimport java.io.OutputStream;\r\n\r\nclasse p\u00fablica App {\r\n    public static void main(String[] args) throws IOException {\r\n        int port = 8080;\r\n        HttpServer server = HttpServer.create(new java.net.InetSocketAddress(port), 0);\r\n\r\n        server.createContext(\"\/hello\", new HelloHandler());\r\n        server.setExecutor(null); \/\/ executor padr\u00e3o\r\n\r\n        System.out.println(\"O servidor foi iniciado na porta \" + porta);\r\n        server.start();\r\n    }\r\n\r\n    static class HelloHandler implements HttpHandler {\r\n        @Override\r\n        public void handle(HttpExchange exchange) throws IOException {\r\n            String response = \"Hello from Microservice!\";\r\n            exchange.sendResponseHeaders(200, response.getBytes().length);\r\n            OutputStream os = exchange.getResponseBody();\r\n            os.write(response.getBytes());\r\n            os.close();\r\n        }\r\n    }\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">O <\/span><em><span style=\"font-weight: 400;\">HttpServer<\/span><\/em><span style=\"font-weight: 400;\"> escuta as solicita\u00e7\u00f5es HTTP de entrada e delega o tratamento para o <\/span><em><span style=\"font-weight: 400;\">Ol\u00e1Handler<\/span><\/em><span style=\"font-weight: 400;\">que envia de volta uma resposta simples. Voc\u00ea pode estender esse exemplo para lidar com mais pontos de extremidade e l\u00f3gica de solicita\u00e7\u00e3o\/resposta mais complexa com base em seus requisitos.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Etapa 4: testar o microsservi\u00e7o<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Para iniciar o microsservi\u00e7o, use o comando <em>execu\u00e7\u00e3o do gradle<\/em> comando. Em seguida, abra um navegador da Web ou use uma ferramenta como o cURL para testar seu microsservi\u00e7o acessando <\/span><a href=\"https:\/\/localhost:8080\/hello\"><span style=\"font-weight: 400;\">https:\/\/localhost:8080\/hello<\/span><\/a><span style=\"font-weight: 400;\">. Voc\u00ea ver\u00e1 a resposta: <\/span><b>Ol\u00e1 da Microservice!<\/b><\/p>\n<h2><span style=\"font-weight: 400;\">Conclus\u00e3o<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Nesta publica\u00e7\u00e3o do blog, exploramos como os microsservi\u00e7os podem ser a arquitetura de solu\u00e7\u00e3o certa a ser usada quando as necessidades do seu aplicativo Web se tornam mais complexas com mais usu\u00e1rios e tempo. Tamb\u00e9m analisamos o lugar do Java nesse cen\u00e1rio e apresentamos seus casos de uso no mundo nativo da nuvem. Por fim, analisamos como criar um microsservi\u00e7o b\u00e1sico em Java usando apenas os recursos padr\u00e3o do servidor HTTP Java (<\/span><em><span style=\"font-weight: 400;\">HttpServer<\/span><\/em><span style=\"font-weight: 400;\"> e <\/span><em><span style=\"font-weight: 400;\">HttpHandler<\/span><\/em><span style=\"font-weight: 400;\">) sem usar uma estrutura da Web externa.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Para continuar aprendendo sobre microsservi\u00e7os, consulte estes recursos do Couchbase:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/microservices-architecture-in-couchbase\/\"><span style=\"font-weight: 400;\">4 padr\u00f5es para arquitetura de microsservi\u00e7os no Couchbase<\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/create-a-production-grade-java-microservice-architecture-with-jhipster-and-couchbase\/\"><span style=\"font-weight: 400;\">Crie uma arquitetura de microsservi\u00e7o Java de n\u00edvel de produ\u00e7\u00e3o com o JHipster e o Couchbase<\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/refactoring-spring-microservices-application-to-work-with-couchbase\/\"><span style=\"font-weight: 400;\">Refatora\u00e7\u00e3o de aplicativos de microsservi\u00e7os do Spring para trabalhar com o Couchbase<\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/elastic-microservices-with-kubernetes-and-spring-boot\/\"><span style=\"font-weight: 400;\">Cria\u00e7\u00e3o de microsservi\u00e7os el\u00e1sticos com Kubernetes e Spring Boot<\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/modern-application-development\/\"><span style=\"font-weight: 400;\">O que \u00e9 desenvolvimento moderno de aplicativos? Um guia<\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/developers\/sdks\/#java\"><span style=\"font-weight: 400;\">SDKs do Couchbase - Java<\/span><\/a><br style=\"font-weight: 400;\" \/><br style=\"font-weight: 400;\" \/><\/li>\n<\/ul>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>In the last decade, microservices have changed how developers and organizations build and ship applications. According to Stack Overflow\u2019s 2023 Developer Survey, nearly 49% of software professionals use microservices daily. To further understand how microservices have risen in popularity, we\u2019ll [&hellip;]<\/p>","protected":false},"author":82066,"featured_media":15719,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1814,1815,1818,2201],"tags":[9786,2210,2103,1950],"ppma_author":[9657],"class_list":["post-15716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-design","category-best-practices-and-tutorials","category-java","category-tools-sdks","tag-apache-kafka","tag-graphql","tag-microservices","tag-rest-api"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.7.1 (Yoast SEO v25.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A Java Microservices Overview - The Couchbase Blog<\/title>\n<meta name=\"description\" content=\"Java microservices are small, separate services written in Java programming language. Learn how they communicate with each other and work together here.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.couchbase.com\/blog\/pt\/java-microservices\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Java Microservices Overview\" \/>\n<meta property=\"og:description\" content=\"Java microservices are small, separate services written in Java programming language. 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