Amazon Corretto
Corretto 8 User Guide

Getting Started with Amazon Corretto 8 on Docker Images

This topic describes how to build and launch a Docker image that uses Amazon Corretto 8. You must have the latest version of Docker installed.

Using the official image for Amazon Corretto 8.

Amazon Corretto 8 is available as an official image on Docker Hub. The following example runs a container and displays Corretto's version.

docker run amazoncorretto:8 java -version

Output:

openjdk version "1.8.0_232" OpenJDK Runtime Environment Corretto-8.232.09.1 (build 1.8.0_232-b09) OpenJDK 64-Bit Server VM Corretto-8.232.09.1 (build 25.232-b09, mixed mode)

Build a Docker Image with Amazon Corretto 8

Run the following command to build an image that uses Amazon Corretto 8.

docker build -t amazon-corretto-8 github.com/corretto/corretto-8-docker

After the command completes, you have an image called amazon-corretto-8.

To launch this image locally, run the following command.

docker run -it amazon-corretto-8

You can also push this image to Amazon ECR. See the Pushing an Image topic in the Amazon Elastic Container Registry User Guide for details.

Create an Image

You can create a new Docker image using Corretto's official Docker Hub image.

  1. Create a Dockerfile with the following content.

    FROM amazoncorretto:8 RUN echo $' \ public class Hello { \ public static void main(String[] args) { \ System.out.println("Welcome to Amazon Corretto!"); \ } \ }' > Hello.java RUN javac Hello.java CMD ["java", "Hello"]
  2. Build the new image.

    docker build -t hello-app .
  3. Run the new image.

    docker run hello-app

    You get the following output.

    Welcome to Amazon Corretto!