how-to-use-direnv.md

How to use direnv

As a developer, it can be better not to think too much about setting right env variables as you enter a project. direnv aims at providing a solution.

As a quick guide as an openfoodfacts developer:

• install direnv on your system using usual package manager
• in your .bashrc add:

  # direnv
  eval "$(direnv hook bash)"

  you have adapt the direnv line according to what you use, see direnv doc
• In your project directory add a file, where you superseed variables from .env that you wan't to

echo "setting up docker compose env"
export DOCKER_BUILDKIT=1
export USER_UID=${UID}
export USER_UID=$(id -g)

• in project directory, run direnv allow .
• in a new shell:
  • go in project directory
  • you should have direnv trigger and load your variables