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Lightweight Devpi Docker Image based upon Alpine Linux
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Devpi Docker Image

This repository includes a Dockerfile that builds a lightweight Devpi server based upon Alpine Linux.

The current published image size is ~29MB and the virtual size is ~90MB.


This image configures the Devpi server directory as /var/lib/devpi.

If no existing data is detected in this directory, the Devpi server will be initialised with a root password provided via the DEVPI_ROOT_PASSWORD environment variable, or a 32 character random password if this environment variable is not defined.

You can also use the following initialization environment variables:

  • DEVPI_USER - adds a new user. If you restore from a Devpi backup, no action is taken if this user already exists
  • DEVPI_PASSWORD - sets the password for the new user. If you restore from a Devpi backup and the user already exists, the user password is updated to the new password
  • DEVPI_INDEX - creates an index for the user that is based from the default root/pypi index. The new index path will be $DEVPI_USER/$DEVPI_INDEX.

For example given the following settings:

  • DEVPI_USER = dev
  • DEVPI_PASSWORD = xyz123
  • DEVPI_INDEX = root

The path to the index will be http://<server>:<port>/dev/root.

Running the Image

This image runs the following entrypoint:

devpi-server --serverdir /var/lib/devpi --restrict-modify root --host

You can add an array of additional flags as command arguments:

docker run -d --name devpi cloudhotspot/devpi <arg> [<arg> ...]

Default Networking

By default, Devpi listens on port 3141 and you must map this port if you do not supply a custom port configuration option:

docker run -d --name devpi -p 3141:3141 cloudhotspot/devpi

You can run Devpi on a custom port by setting the environment variable DEVPI_PORT option:

docker run -d --name devpi -p 8000:8000 -e DEVPI_PORT=8000 cloudhotspot/devpi

Devpi Server Data Directory

By default the devpi server will use /var/lib/devpi-server as its data directory.

You can override this my setting the DEVPI_SERVERDIR environment variable:

docker run -d --name devpi -e DEVPI_SERVERDIR=/mnt/devpi -e DEVPI_PORT=8000 -p 8000:8000 cloudhotspot/devpi

Importing Server State

The entrypoint script looks in a directory called /devpi-init.d, extracts all *.bz2 files to a temporary folder and then attempts to import the contents of the extract files into devpi. This is useful if you have previously exported the state of a previous Devpi server.

NOTE: Importing a backup and initial indexing can take some time. Use the docker log or docker-compose log command to watch the progress of Devpi initialization.

See the devpi-server administration docs for more details on exporting and importing server state.

Sample Docker Compose File

This repository includes a sample docker-compose.yml file.

Note this sample assumes you have exported and compressed previous devpi server state to a file called backup.bz2 and have set an environment variable DEVPI_PASSWORD.

To use the Docker Compose file:

  1. Create an external docker volume called devpi_data by running docker volume create --name devpi_data
  2. Run docker-compose up -d. Devpi will be running on port 8000.
  3. Your Devpi data directory will be persisted to the devpi_data volume.
version: '2'

    external: true

    image: cloudhotspot/devpi
      - devpi_data:/var/lib/devpi
      - ./backup.bz2:/devpi-init.d/backup.bz2
      - "8000:8000"
    stop_signal: SIGINT
      DEVPI_USER: dev
      DEVPI_PORT: "8000"
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