By apipark — 26 Feb 2025

How To Set Up a Redis Cluster with Docker Compose and GitHub: A Step-by-Step Guide

docker-compose redis cluster github

In the ever-evolving world of software development, managing data storage efficiently is critical. Redis, an open-source in-memory data structure store, is widely used for caching, real-time analytics, and other high-performance applications. Setting up a Redis cluster can enhance data availability and redundancy. In this guide, we will explore how to set up a Redis cluster using Docker Compose and GitHub, ensuring a smooth and efficient deployment process. We will also touch upon how tools like APIPark can assist in managing API gateways and enhancing the overall performance of your application.

Introduction to Redis Cluster

Redis Cluster is a distributed system that provides high availability and partition tolerance. It allows you to distribute data across multiple Redis nodes, ensuring that if one node fails, the system can continue to operate with minimal disruption. This is achieved through a master-replica architecture where each master node has one or more replica nodes that duplicate its data.

Prerequisites

Before diving into the setup, ensure you have the following prerequisites:

Docker installed on your system.
Docker Compose installed.
Basic knowledge of how to use GitHub.

Step 1: Clone the Repository

First, you need to clone the Redis cluster setup repository from GitHub. This repository will contain the Docker Compose file and other necessary configuration files.

git clone https://github.com/antirez/redis-cluster.git
cd redis-cluster

Step 2: Create a Docker Compose File

Next, create a Docker Compose file (docker-compose.yml) in the root directory of the cloned repository. This file will define the services required for the Redis cluster.

version: '3'
services:
  redis:
    image: redis
    command: redis-server --cluster-enabled yes --cluster-yes
    volumes:
      - ./data:/data
    ports:
      - "7000:7000"
      - "7001:7001"
      - "7002:7002"
    deploy:
      replicas: 3
      update_config:
        failure_action: rollback

In this example, we are defining a single service called redis that will create three replicas, each running on different ports.

Step 3: Configure Redis Nodes

Each Redis node needs to be configured properly to work as part of the cluster. Create a directory for each node and a configuration file for each node within that directory.

mkdir nodes
cd nodes
for i in {1..3}; do
  mkdir node$i
  echo "port 700$i
  cluster-enabled yes
  cluster-config-file nodes-$i.conf
  cluster-node-timeout 5000
  appendonly yes" > node$i/redis.conf
done

Step 4: Start the Docker Compose Service

Now, start the Docker Compose service using the following command:

docker-compose up -d

This command will start the Redis cluster in the background.

APIPark is a high-performance AI gateway that allows you to securely access the most comprehensive LLM APIs globally on the APIPark platform, including OpenAI, Anthropic, Mistral, Llama2, Google Gemini, and more.Try APIPark now! 👇👇👇

Install APIPark – it’s free

Step 5: Initialize the Cluster

Once the nodes are running, you need to initialize the cluster. Use the redis-trib command to create the cluster.

docker exec -it redis redis-trib.rb create --replicas 1 127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002

This command will create a three-node Redis cluster with one replica for each master node.

Step 6: Verify the Cluster Status

To verify that the cluster is up and running, you can check the status of each node.

docker exec -it redis redis-cli -p 7000 cluster nodes

You should see the details of all nodes in the cluster, including their roles (master or replica).

Step 7: Test the Cluster

To test the cluster, you can set a key on one node and retrieve it from another.

docker exec -it redis redis-cli -p 7000
set test-key test-value
docker exec -it redis redis-cli -p 7001
get test-key

Both commands should return the value test-value.

Step 8: Managing the Cluster

Managing a Redis cluster can be challenging, especially as it grows. This is where tools like APIPark can be beneficial. APIPark provides a robust platform for managing API gateways, including those used by Redis clusters. It offers features such as:

Unified API Format for AI Invocation: This ensures that changes in AI models or prompts do not affect your application or microservices.
End-to-End API Lifecycle Management: APIPark helps manage the entire lifecycle of APIs, including design, publication, invocation, and decommission.
API Service Sharing within Teams: It allows for centralized display of all API services, making it easier for different teams to find and use the required services.

Table: Comparison of Redis Cluster Setup Methods

Method	Pros	Cons
Manual Setup	Full control over the configuration	Time-consuming and error-prone
Docker Compose	Simplifies deployment and scaling	Limited flexibility in complex configurations
GitHub Actions	Automated setup and scaling using CI/CD pipelines	Requires knowledge of GitHub Actions and potential security issues
APIPark	Streamlines API management and enhances performance	May require additional setup for non-API components

Conclusion

Setting up a Redis cluster with Docker Compose and GitHub is a straightforward process that can greatly enhance the performance and reliability of your data storage solution. By following this guide, you can deploy a Redis cluster that meets your application's needs. Additionally, leveraging tools like APIPark can simplify API management and improve the overall efficiency of your application.

FAQs

What is the minimum number of nodes required for a Redis cluster? A Redis cluster requires a minimum of three master nodes to ensure proper operation and fault tolerance.
Can I add more nodes to an existing Redis cluster? Yes, you can add more nodes to an existing Redis cluster by using the redis-trib command.
How does Docker Compose simplify Redis cluster deployment? Docker Compose simplifies deployment by allowing you to define and run multi-container Docker applications with a single YAML file and command.
What are the benefits of using APIPark with a Redis cluster? APIPark provides a unified platform for managing API gateways, which can enhance the performance and security of applications using a Redis cluster.
How can I ensure the security of my Redis cluster? You can ensure the security of your Redis cluster by configuring proper authentication, encryption, and network isolation. Regular monitoring and updates are also essential.

By following this guide and considering the benefits of using tools like APIPark, you can set up and manage a robust Redis cluster for your application.

🚀You can securely and efficiently call the OpenAI API on APIPark in just two steps:

Step 1: Deploy the APIPark AI gateway in 5 minutes.

APIPark is developed based on Golang, offering strong product performance and low development and maintenance costs. You can deploy APIPark with a single command line.

curl -sSO https://download.apipark.com/install/quick-start.sh; bash quick-start.sh

In my experience, you can see the successful deployment interface within 5 to 10 minutes. Then, you can log in to APIPark using your account.

Step 2: Call the OpenAI API.