Checks whether input is of certain minimum length.

By default, the minimum length is 8 characters, although we recommend increasing it higher.

By design, you cannot set a maximum length — passwords should be hashed, so the maximum length shouldn’t matter in technical terms.

use Password, [
  {Password.Policy.Length}
]

iex> MyApp.Password.validate("pass")
{:error, [Password.Policy.Length]}

iex> MyApp.Password.validate("password")
:ok

Increasing minimum length:

use Password, [
  {Password.Policy.Length, min: 10}
]

iex> MyApp.Password.validate("password")
{:error, [Password.Policy.Length]}