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Dockerfile to create a Docker container image for Memcached.

Memcached is a free & open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load.


If you find this image useful here's how you can help:

  • Send a pull request with your awesome features and bug fixes
  • Help users resolve their issues.
  • Support the development of this image with a donation


Before reporting your issue please try updating Docker to the latest version and check if it resolves the issue. Refer to the Docker installation guide for instructions.

SELinux users should try disabling SELinux using the command setenforce 0 to see if it resolves the issue.

If the above recommendations do not help then report your issue along with the following information:

  • Output of the docker version and docker info commands
  • The docker run command or docker-compose.yml used to start the image. Mask out the sensitive bits.
  • Please state if you are using Boot2Docker, VirtualBox, etc.

Getting started


Automated builds of the image are available on Dockerhub and is the recommended method of installation.

Note: Builds are also available on

docker pull sameersbn/memcached:latest

Alternatively you can build the image yourself.

docker build -t sameersbn/memcached


Start Memcached using:

docker run --name memcached -d --restart=always \
  --publish 11211:11211 \

Alternatively, you can use the sample docker-compose.yml file to start the container using Docker Compose

Command-line arguments

You can customize the launch command of Memcached server by specifying arguments to memcached on the docker run command. For example the following command prints the help menu of memcached command:

docker run --name memcached -it --rm \
  --publish 11211:11211 \
  sameersbn/memcached:latest -h



To upgrade to newer releases:

  1. Download the updated Docker image:

    docker pull sameersbn/memcached:latest
  2. Stop the currently running image:

    docker stop memcached
  3. Remove the stopped container

    docker rm -v memcached
  4. Start the updated image

    docker run -name memcached -d \
    [OPTIONS] \

Shell Access

For debugging and maintenance purposes you may want access the containers shell. If you are using Docker version 1.3.0 or higher you can access a running containers shell by starting bash using docker exec:

docker exec -it memcached bash
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