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README.md

Solr 4.10

In a docker-compose.yml:

version: '3'
services:
  solr:
    image: quay.io/continuouspipe/solr4:latest
    environment:
      SOLR_CORE_NAME: example_core
    volumes:
      - solr_data:/usr/local/share/solr/example_core/data/

volumes:
  solr_data:
    driver: local
    driver_opts:
      type: tmpfs
      device: tmpfs
      o: size=100m,uid=1000

In a Dockerfile:

FROM quay.io/continuouspipe/solr4:latest

How to build

docker-compose build --pull solr_4_10
docker-compose push solr_4_10

About

This is a Docker image that provides a Solr 4 search service that tracks the upstream library image.

How to use

As this is based off of a semi-official solr image, please see their README, here: https://hub.docker.com/r/makuk66/docker-solr/builds/bxsjvchebmrgdmbtjabbta3/

To tie in with the official 6.x versions of the solr image (see the Solr library image), we provide the ability to create a core on startup. This avoids manual intervention.

To provide this functionality, /bin/bash -c /usr/local/share/solr/startup.sh will run on boot, which will:

  1. Start an instance of solr in the background, running as the solr user. This process becomes PID 1 and will have it's stdout/stderr output tee'd to a temporary logfile.
  2. Wait until solr starts by checking the logfile every second for the magic string Started [email protected]:8983.
  3. Once started and accepting connections, kill the tee process and clean up the temporary log file.
  4. Check (via curl) if the core named by the environment variable $SOLR_CORE_NAME is present already.
  5. If the core isn't present already, create it, again via curl.
  6. Force the backgrounded solr process into the foreground, so that the current bash shell does not exit and make the docker daemon think that the container has crashed.

The core will use the /usr/local/share/solr/$SOLR_CORE_NAME/ directory, and you should place the desired configuration in /usr/local/share/solr/$SOLR_CORE_NAME/conf/.

/usr/local/share/solr/$SOLR_CORE_NAME/data/ will be created if it doesn't exist, and you should configure this to be on a volume if you wish to keep the data between containers.