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Tutorial

How to Deploy and Run Redis in a Docker Container

February 25, 20264 minute read
TL;DR:
Pull the official Redis image with docker pull redis:latest, then run it with docker run -d --name my-redis -p 6379:6379 redis:latest. Add -v /path/to/data:/data and -e REDIS_ARGS="--appendonly yes" for persistent storage.

#What you'll learn

  • How to pull and run the Redis Docker image
  • How to connect to Redis inside a container using redis-cli
  • How to persist data with Docker volumes
  • How to set a Redis password in Docker
  • How to run Redis with Docker Compose

#Prerequisites

  • Docker installed on your system
  • Basic familiarity with the command line

#How do I pull the Redis Docker image?

Before running a Redis container, pull the latest official Redis image from Docker Hub:
You can verify the image was downloaded by listing your local Docker images:

#How do I run Redis in a Docker container?

Execute the following command to run the Redis container in the background:
  • -d runs the container in detached (background) mode
  • --name my-redis assigns a name to the container
  • -p 6379:6379 maps the container's Redis port to your host machine
  • redis:latest specifies the Docker image
Verify the container is running:
You should see output similar to:

#How do I connect to Redis inside a Docker container?

Use docker exec to open an interactive shell inside the running container, then launch redis-cli:
Test the connection:
You can also run Redis commands directly without entering the interactive shell:

#How do I persist data with Docker volumes?

By default, data stored in a Redis container is lost when the container is removed. To persist data, mount a Docker volume and enable append-only file (AOF) persistence:
  • -v redis-data:/data creates a named Docker volume mapped to Redis's data directory
  • --appendonly yes enables AOF persistence so every write operation is logged to disk
You can also use a bind mount to store data in a specific host directory:

#How do I set a Redis password in Docker?

To secure your Redis container with a password, pass --requirepass via the REDIS_ARGS environment variable:
Connect with authentication:

#How do I run Redis with Docker Compose?

For more complex setups, Docker Compose provides a declarative way to configure and run Redis. Create a docker-compose.yml file:
Start the service:
Stop and remove the containers:
Docker Compose is especially useful when Redis is part of a larger application stack. See How to build and run a Node.js application using Nginx, Docker and Redis for a full multi-container example.

#Next steps