DDEV recipe for Solr 4

docker-compose.solr.yaml

# DDev Apache Solr recipe file for Solr 4.
#
# To access Solr after it is installed:
# - The Solr admin interface will be accessible at:
#   http://<projectname>.ddev.site:8983/solr/
#   For example, if the project is named "myproject" the hostname will be:
#   http://myproject.ddev.site:8983/solr/
# - To access the Solr container from the web container use:
#   http://solr:8983/solr/

version: '3.6'

services:
  solr:
    # Name of container using standard ddev convention.
    container_name: ddev-${DDEV_SITENAME}-solr
    # Grab an image from https://hub.docker.com/r/geerlingguy/solr since older 
    # versions are not available on https://hub.docker.com/_/solr.
    image: geerlingguy/solr:4.10.4
    restart: "always"
    # Solr is served from this port inside the container.
    ports:
      - 8983
    # These labels ensure the service is discoverable by ddev.
    labels:
      com.ddev.site-name: ${DDEV_SITENAME}
      com.ddev.approot: $DDEV_APPROOT
    environment:
      # This defines the host name the service should be accessible from. This
      # will be sitename.ddev.site.
      - VIRTUAL_HOST=$DDEV_HOSTNAME
      # This defines the port the service should be accessible from at
      # sitename.ddev.site.
      - HTTP_EXPOSE=8983
    volumes:
      # solr core *data* is stored on the 'solr' docker volume
      # This mount is optional; without it your search index disappears
      # each time the ddev project is stopped and started.
      - solr:/var/solr

      # This mounts the conf in .ddev/solr into the container where
      # the solr-precreate command in the entrypoint uses it as a one-time
      # configuration to copy config into the newly-created core. It is not
      # used if the core has previously been created.
      - ./solr/default:/opt/solr/example/solr/default

      # This mounts the .ddev directory into the container so we can use it
      # if necessary.
      - ".:/mnt/ddev_config"

    # This command is executed after the services has been started.
    command: ["/opt/solr/bin/solr", "start", "-p", "8983", "-f"]

    external_links:
      - "ddev-router:${DDEV_SITENAME}.${DDEV_TLD}"

  # This links the Solr service to the web service defined in the main
  # docker-compose.yml, allowing applications running inside the web container to
  # access the Solr service at http://solr:8983
  web:
    links:
      - solr:solr
volumes:
  # solr is a persistent Docker volume for solr data
  # The persistent volume should have the same name as the service so it can be deleted
  # when the project is deleted.
  solr: