To cite package ‘tugboat’ in publications use:

  Molitor D (2025). _tugboat: Build a Docker Image from a Directory or
  Project_. R package version 0.1.2,
  <https://github.com/dmolitor/tugboat>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tugboat: Build a Docker Image from a Directory or Project},
    author = {Daniel Molitor},
    year = {2025},
    note = {R package version 0.1.2},
    url = {https://github.com/dmolitor/tugboat},
  }