Encrypt secrets in Kotlin

Learn how to encrypt your first .env file using Kotlin and dotenvx.

Prerequisites

To get the most out of this guide, you'll need to:

• Create your account (optional)

1. Install

Get the Dotenvx CLI.

$ curl -sfS https://dotenvx.sh | sh
◈ installed (dotenvx)

more install options

2. Encrypt

Encrypt your .env file.

$ dotenvx encrypt
◈ encrypted (.env) + local key (.env.keys)

3. Inject

Then inject your encrypted secrets at runtime with dotenvx run.

fun main() {
  val hello = System.getenv("HELLO") ?: ""
  println("Hello $hello")
}

kotlinc index.kt -include-runtime -d index.jar

dotenvx run -- java -jar index.jar