@eduardoboucas Nice! This is the approach I took on one of my projects. A @gulp build running on @Netlify turns @contentful content into HTML and JSON APIs for client renders. Works beautifully.
https://www.hawksworx.com/blog/isomorphic-rendering-on-the-jam-stack/
@jekyllrb & @GoHugoIO both offer output formats which could give this.