Create Online Game Leaderboard on Redis

You can access all the tutorial resources, including deployment script (Terraform), related source code, sample data, and instruction guidance, from the GitHub project: https://github.com/alibabacloud-howto/solution-online-leaderboard-redis

For more tutorials around Alibaba Cloud Database, please refer to: https://github.com/alibabacloud-howto/database

Deployment

For more information about how to use Terraform, please refer to this tutorial: https://www.youtube.com/watch?v=zDDFQ9C9XP8

If you do not specify the provider parameters in the environment, please set your Alibaba Cloud access key, secret key here.

provider "alicloud" {
  #   access_key = "${var.access_key}"
  #   secret_key = "${var.secret_key}"
  region = "ap-southeast-1"
}

Get the EIP of the ECS, and then logon to ECS via SSH. Please use the account root/N1cetest, the password has been predefined in Terraform script for this tutorial. If you changed the password, please use the correct password accordingly.

ssh root@<EIP_ECS>

Run the following command to install required utilities on the instance, including JDK and Maven:

sudo apt-get update
sudo apt-get install openjdk-8-jdk
apt install maven

wget https://github.com/alibabacloud-howto/solution-online-leaderboard-redis/raw/main/source.tar.gz
tar xvf source.tar.gz && cd source

Vim to modify the Java code to replace the Redis access endpoint URL and password accordingly in the Step 1.

vim src/main/java/test/GameRankSample.java

mvn clean package assembly:single -DskipTests
java -classpath target/demo-0.0.1-SNAPSHOT.jar test.GameRankSample

Running result: