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DataStax Docker Guide

    • Quickstart
    • Recommended settings
    • 6.8 Docker
      • Getting started with DataStax and Docker
      • Prerequisites
      • Creating and starting Docker containers
        • Creating a DataStax Enterprise container
        • Creating an OpsCenter container
        • Creating a Studio container
        • Docker run options
      • Managing the configuration
        • Using the DSE configuration volume
        • Using environment variables
        • Persisting data
        • Exposing public ports
        • Volumes and data directories
      • Attaching to a container and opening a command line
      • Using Docker compose for automated provisioning
      • Building custom Docker images
      • Getting help with Docker
      • Docker known issues
      • Licensing
    • 6.7 Docker
      • Getting started with DataStax and Docker
      • Prerequisites
      • Creating and starting Docker containers
        • Creating a DataStax Enterprise container
        • Creating an OpsCenter container
        • Creating a Studio container
        • Docker run options
      • Managing the configuration
        • Using the DSE configuration volume
        • Using environment variables
        • Persisting data
        • Exposing public ports
        • Volumes and data directories
      • Attaching to a container and opening a command line
      • Using Docker compose for automated provisioning
      • Building custom Docker images
      • Getting help with Docker
      • Docker known issues
      • Licensing
    • 6.0 Docker
      • Getting started with DataStax and Docker
      • Prerequisites
      • Creating and starting Docker containers
        • Creating a DataStax Enterprise container
        • Creating an OpsCenter container
        • Creating a Studio container
        • Docker run options
      • Managing the configuration
        • Using the DSE configuration volume
        • Using environment variables
        • Persisting data
        • Exposing public ports
        • Volumes and data directories
      • Attaching to a container and opening a command line
      • Using Docker compose for automated provisioning
      • Building custom Docker images
      • Getting help with Docker
      • Docker known issues
      • Licensing
    • 5.1 Docker
      • Getting started with DataStax and Docker
      • Prerequisites
      • Creating and starting Docker containers
        • Creating a DataStax Enterprise container
        • Creating an OpsCenter container
        • Creating a Studio container
        • Docker run options
      • Managing the configuration
        • Using the DSE configuration volume
        • Using environment variables
        • Persisting data
        • Exposing public ports
        • Volumes and data directories
      • Attaching to a container and opening a command line
      • Using Docker compose for automated provisioning
      • Building custom Docker images
      • Getting help with Docker
      • Docker known issues
      • Licensing
    • DataStax Docker Images
  • DataStax Docker Guide
  • 6.7 Docker
  • Managing the configuration

Managing the configuration

Manage the DataStax Enterprise (DSE) configuration using one of the following options:

  • The DSE configuration volume to get configuration files from a mounted host directory without replacing or customizing configuration file in the container.

  • Environment variables to change the configuration at runtime.

  • Docker file or directory volume mounts.

  • Docker overlay file system.

DSE uses the default values defined for the environment variables unless explicitly set at runtime. Custom configuration files override the default or explicitly set environment variables.

DataStax uses a common base image for all products. To customize the operating system or install additional packages, modify the base/Dockerfile. The DataStax base images use OpenJDK due to the end of public updates for Oracle JDK. All DataStax repositories on Docker Hub include OpenJDK.

Docker run options Using the DSE configuration volume

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