4. Instale as dependências de pacote vindas do arquivo de requisitos.

    A opção `--no-cache-dir` diz ao `pip` para não salvar os pacotes baixados localmente, pois isso só aconteceria se `pip` fosse executado novamente para instalar os mesmos pacotes, mas esse não é o caso quando trabalhamos com contêineres.

    !!! note
        `--no-cache-dir` é apenas relacionado ao `pip`, não tem nada a ver com Docker ou contêineres.

# Alternativas, Inspiração e Comparações

O que inspirou **FastAPI**, como ele se compara a outras alternativas e o que FastAPI aprendeu delas.

## Introdução

**FastAPI** não poderia existir se não fosse pelos trabalhos anteriores de outras pessoas.

Houveram tantas ferramentas criadas que ajudaram a inspirar sua criação.

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