docker compose yml tdengine

Totango

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12-10-2024

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Docker Compose for TDengine: A Simplified Deployment

TDengine, a time-series database known for its high performance and scalability, can be easily deployed using Docker Compose. This approach offers a streamlined and reproducible way to set up your TDengine environment, simplifying both development and production deployments.

Understanding Docker Compose

Docker Compose is a tool that defines and manages multi-container Docker applications using a simple YAML file. This YAML file, known as the docker-compose.yml file, specifies the services, networks, and volumes required for your application.

Creating a docker-compose.yml for TDengine

Here's a basic docker-compose.yml file to deploy TDengine:

version: "3.7"
services:
  tdengine:
    image: taosdata/tdengine:latest
    ports:
      - "6030:6030"
      - "6041:6041"
      - "2181:2181"
    volumes:
      - tdengine-data:/var/lib/taos
      - tdengine-conf:/etc/taos
    restart: unless-stopped

volumes:
  tdengine-data:
  tdengine-conf:

Explanation:

• version: Specifies the Docker Compose version used.
• services: Defines the services to be deployed.
• tdengine:
  • image: Specifies the TDengine Docker image to use (latest version recommended).
  • ports: Exposes the TDengine ports (6030 for client connections, 6041 for cluster communication, and 2181 for ZooKeeper) to the host machine.
  • volumes: Mounts two volumes, tdengine-data for persistent data storage and tdengine-conf for configuration files.
  • restart: Ensures the TDengine container restarts automatically if it stops.
• volumes: Defines the named volumes for data and configuration.

Deploying with Docker Compose

Once you have the docker-compose.yml file, deployment is straightforward:

1. Save the file: Create a directory for your TDengine project and save the docker-compose.yml file within it.
2. Run the command: Open a terminal in the project directory and execute: docker-compose up -d
   • docker-compose up: Starts the containers defined in the docker-compose.yml.
   • -d: Runs the containers in detached mode (background).

TDengine will now be running within a Docker container, accessible via the exposed ports.

Managing Your TDengine Deployment

Docker Compose provides convenient commands for managing your TDengine deployment:

• docker-compose start tdengine: Starts the TDengine service.
• docker-compose stop tdengine: Stops the TDengine service.
• docker-compose restart tdengine: Restarts the TDengine service.
• docker-compose logs tdengine: Displays logs from the TDengine container.
• docker-compose down: Stops and removes all containers, networks, and volumes created by Docker Compose.

Benefits of Docker Compose for TDengine

Using Docker Compose for TDengine offers several benefits:

• Easy setup and management: Simplifies the deployment process and allows for efficient management of TDengine instances.
• Portability: Makes TDengine deployments portable across different environments (development, testing, production).
• Scalability: Allows for easy scaling of TDengine instances by adjusting the docker-compose.yml file.
• Reproducibility: Ensures consistent deployments across different machines.
• Version control: Enables version control for the Docker Compose configuration, ensuring reproducible and trackable changes.

Docker Compose provides a robust and flexible solution for deploying TDengine, enabling developers and administrators to focus on their applications rather than the complexities of infrastructure management.