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 8's version.

docker run amazoncorretto:8 java -version

Output:

openjdk version "1.8.0_412"
OpenJDK Runtime Environment Corretto-8.412.08.1 (build 1.8.0_412-b08)
OpenJDK 64-Bit Server VM Corretto-8.412.08.1 (build 25.412-b08, mixed mode)

Using the Corretto ECR Instance

Note

The Corretto ECR Private Registry located at 489478819445.dkr.ecr.us-west-2.amazonaws.com/amazoncorretto is now deprecated. Please migrate existing usages to the Corretto ECR Public Gallery. See corretto-docker#154 for more information.

To use the Corretto ECR instance, run the following commands:

docker pull public.ecr.aws/amazoncorretto/amazoncorretto:8
docker run -it public.ecr.aws/amazoncorretto/amazoncorretto:8 /bin/bash

You can see the list of available images by going here:

Amazon Corretto on Alpine

Amazon Corretto on Alpine Linux images are available on Amazon ECR Public Gallery and Dockerhub

Using dockerhub

docker pull amazoncorretto:8-alpine-jdk
docker run -it amazoncorretto:8-alpine-jdk /bin/sh

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-docker#main:8/jdk/al2023

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!