{"id":2561,"date":"2025-01-16T16:36:15","date_gmt":"2025-01-16T19:36:15","guid":{"rendered":"https:\/\/geekblogti.wpengine.com\/?p=2561"},"modified":"2025-01-27T18:49:26","modified_gmt":"2025-01-27T21:49:26","slug":"como-comecar-em-web-back-end-do-zero","status":"publish","type":"post","link":"https:\/\/www.geekhunter.com/pt/blog\/como-comecar-em-web-back-end-do-zero\/","title":{"rendered":"Como come\u00e7ar em web back-end do zero?"},"content":{"rendered":"

Front-end e back-end<\/a><\/strong> s\u00e3o nomes usados para identificar interfaces de programas e servi\u00e7os relativos ao usu\u00e1rio.<\/p>\n

Pera, o que?<\/p>\n

Vamos pensar em um exemplo para ficar mais claro! Imagine uma casa (ou use a imagem acima de refer\u00eancia).<\/p>\n

O que voc\u00ea v\u00ea nessa casa?<\/strong> M\u00f3veis, parede, estantes, janelas, portas.<\/p>\n

Isso \u00e9 front-end.<\/p>\n

E que voc\u00ea n\u00e3o est\u00e1 vendo?<\/strong> A fia\u00e7\u00e3o e os canos, por exemplo, certo?<\/p>\n

Isso n\u00f3s vamos de chamar de back-end.<\/p>\n

Falando tecnicamente, o que \u00e9 esse back-end ent\u00e3o?<\/p>\n

\u00c9 tudo que o usu\u00e1rio n\u00e3o consegue ver.<\/p>\n

O back-end \u00e9 respons\u00e1vel por c\u00e1lculos, l\u00f3gica de neg\u00f3cio, intera\u00e7\u00f5es de database e performance. Ele conversa e d\u00e1 suporte para os servi\u00e7os de front-end.<\/p>\n

IMPORTANTE:<\/strong> tamb\u00e9m podemos chamar essa \u00e1rea da programa\u00e7\u00e3o de server-side. Em portugu\u00eas, lado do servidor.<\/p>\n

Por que aprender web back-end?<\/h2>\n

Toda casa precisa de fia\u00e7\u00e3o, certo? Ent\u00e3o, todo site precisa de um desenvolvedor back-end<\/a><\/strong>. Com isso, voc\u00ea j\u00e1 consegue ter ideia do quanto essa \u00e1rea \u00e9 importante para a programa\u00e7\u00e3o.<\/p>\n

Voc\u00ea pode atuar como analista de projetos, por exemplo, entrevistando as pessoas que precisam de uma solu\u00e7\u00e3o para entender quais s\u00e3o as reais necessidades de aplica\u00e7\u00e3o. Gosta de escrever? Pode trabalhar na \u00e1rea de documenta\u00e7\u00e3o e testes, realizando avalia\u00e7\u00f5es e testes nos aplicativos e servi\u00e7os. Agora, voc\u00ea ama muito programar? Ent\u00e3o voc\u00ea vai lidar com banco de dados, ler os dados enviados pelo usu\u00e1rio, e analisar os erros. Ah, voc\u00ea vai lidar com a seguran\u00e7a da aplica\u00e7\u00e3o, ou seja, ser\u00e1 uma pessoa bastante importante.<\/p>\n

\"\"<\/a><\/p>\n

Como aprender do zero?<\/h2>\n

Se voc\u00ea est\u00e1 perdido nesse assunto, n\u00e3o se preocupe. Vou te dar alguns direcionamentos para voc\u00ea se tornar um desenvolvedor back-end. Lembre-se que \u00e9 um passo de cada vez, certo?<\/p>\n

Passo 1:<\/strong> Aprenda como funciona um website. Pesquise na internet, webinars, cursos. Esse passo \u00e9 bastante b\u00e1sico, mas vai te salvar para os pr\u00f3ximos.<\/p>\n

Passo 2:<\/strong> Conhe\u00e7a o b\u00e1sico de front-end design. Entenda de HTML e CSS. Esse passo vai te guiar para os fundamentos de programa\u00e7\u00e3o.<\/p>\n

Passo 3:<\/strong> Aprenda sobre vari\u00e1veis, condi\u00e7\u00f5es e loops.<\/p>\n

Passo 4:<\/strong> Nesse passo voc\u00ea j\u00e1 vai saber o que faz o universo da programa\u00e7\u00e3o funcionar. Ent\u00e3o \u00e9 hora de focar em linguagens espec\u00edficas e nos conceitos b\u00e1sicos de back-end.
\nExistem as tecnologias de back-end voltadas para web, como: PHP, Ruby on Rails, Node.js, Python, entre outras. E tamb\u00e9m existem as linguagens focadas em solu\u00e7\u00f5es desktop, os famosos programas de computadores e sistemas: C, C#, C++, Java.<\/p>\n

E quais s\u00e3o esses conceitos?<\/h2>\n

Alguns conceitos que envolvem o mundo de back-end e da programa\u00e7\u00e3o precisam estar na ponta da l\u00edngua. Vem conhecer os principais:<\/p>\n

Servidor:<\/strong> Tamb\u00e9m s\u00e3o conhecidos por clientes. Um software ou computador com sistema de computa\u00e7\u00e3o centralizada \u00e9 chamado de servidor. DNS, Proxy, FTP s\u00e3o alguns exemplos de servidores conhecidos. Se voc\u00ea quer trabalhar com back-end \u00e9 importante conhecer a maioria deles.<\/p>\n

Database:<\/strong> Database tamb\u00e9m \u00e9 conhecido como banco de dados. \u00c9 o c\u00e9rebro que faz os sites serem din\u00e2micos. Ele funciona como uma biblioteca cheia de informa\u00e7\u00f5es. Sabe quando voc\u00ea entra no blog e pesquisa \u201cdesenvolvedores\u201d? O Database \u00e9 quem cuida e se responsabiliza por aceitar sua busca, achar os dados e te apresentar o que voc\u00ea procura. Se o seu plano \u00e9 ser um desenvolvedor back-end j\u00e1 saiba que precisa conhecer de MySQL, MongoDB e Postgresql, alguns dos principais SGBDs.<\/p>\n

API:<\/strong> Nada mais \u00e9 do que uma interface que permite que dois sistemas se comuniquem. As APIs conectam softwares, aplica\u00e7\u00f5es, databases e servi\u00e7os, substituindo a necessidade de uma programa\u00e7\u00e3o mais complexa.<\/p>\n

Escalabilidade:<\/strong> Como a tecnologia est\u00e1 em constante mudan\u00e7a precisamos de uma estrutura de aplica\u00e7\u00e3o flex\u00edvel para acomodar novos c\u00f3digos e mais tr\u00e1fego. Nisso temos a escalabilidade.<\/p>\n

Seguran\u00e7a:<\/strong> Essa parte \u00e9 um dos principais problemas. O desenvolvedor back-end precisa se atentar a pr\u00e1ticas de seguran\u00e7as para impedir ataques. Os formul\u00e1rios de login e outras autentica\u00e7\u00f5es s\u00e3o processadas por meio de um HTTPS refor\u00e7ado? Os dados est\u00e3o sendo criptografados? Sempre tenha perguntas desse estilo em mente.<\/p>\n

Depois de seguir todas essas dicas, voc\u00ea j\u00e1 vai ter dado os primeiros passos para seu futuro em back-end. Voc\u00ea n\u00e3o deve parar por a\u00ed, \u00e9 importante estudar sempre.<\/p>\n

Mas ent\u00e3o, gostou de back-end?<\/p>\n

\"\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Front-end e back-end s\u00e3o nomes usados para identificar interfaces de programas e servi\u00e7os relativos ao usu\u00e1rio. Pera, o que? Vamos pensar em um exemplo para ficar mais claro! Imagine uma casa (ou use a imagem acima de refer\u00eancia). O que voc\u00ea v\u00ea nessa casa? M\u00f3veis, parede, estantes, janelas, portas. Isso \u00e9 front-end. E que voc\u00ea […]<\/p>\n","protected":false},"author":167,"featured_media":2563,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[18],"tags":[],"class_list":["post-2561","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-desenvolvimiento-de-software"],"acf":[],"yoast_head":"\nEntenda a Import\u00e2ncia do Back End para o Desenvolvimento Web<\/title>\n<meta name=\"description\" content=\"Como come\u00e7ar em web back end do zero? \u00c9 dif\u00edcil sem um norte, certo? \u00c9 por isso que fizemos este conte\u00fado para ajud\u00e1-lo(a). 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