Diário de vibe coding: do certificado Anthropic a uma plataforma de FinOps em dias

Esse artigo não é um tutorial. É um diário. A história de como comecei um dia querendo entender o Claude Code e terminei com uma plataforma de observabilidade e FinOps para Kubernetes rodando Go, P...

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Diário de vibe coding: do certificado Anthropic a uma plataforma de FinOps em dias

Source: DEV Community

Esse artigo não é um tutorial. É um diário. A história de como comecei um dia querendo entender o Claude Code e terminei com uma plataforma de observabilidade e FinOps para Kubernetes rodando Go, PostgreSQL e um dashboard em tempo real — sem ter planejado nada disso. Dia 1: o certificado e os $5 de crédito Tudo começou quando decidi fazer o curso oficial da Anthropic no Skilljar: Claude Code in Action. Gratuito, com certificado, e levei algumas horas para concluir. O curso pede uma API key do Anthropic Platform para rodar os exemplos em JavaScript. Criei a chave, subi o servidor local, e recebi: error: Your credit balance is too low to access the Anthropic API. "Mas o curso é gratuito..." Não é bem assim. O curso é gratuito. As chamadas de API consomem créditos reais. São duas coisas separadas — e a plataforma não deixa isso claro o suficiente. Comprei $5 de crédito, deletei cache e sessões, recriei a key, e funcionou. Lição 1: o capitalismo sempre vence. Mas $5 dura bastante com o Hai

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