docker-compose.yaml

# Docker Composition for MCL
# ==========================
#
# Sample Docker Composition to support the MCL site.


# Services
# --------
#
# Just three are needed for the MCL site: an app server (Zope), a database
# (ZEO), and a cache (memcached).
services:
    # MCL Plone 5-based Portal
    # ~~~~~~~~~~~~~~~~~~~~~~~~
    #
    # Zope app server running an instance of the Plone portal for MCL
    mcl-portal:
        container_name: mcl-portal
        # image: docker.pkg.github.com/MCLConsortium/mcl-site/mcl-site:${MCL_PORTAL_VERSION:-latest}
        # image: nutjob4life/mcl-site:${MCL_PORTAL_VERSION:-latest}
        image: mcl-site:latest
        volumes:
            -
                # Binary large objects or BLOBs; must be same as mcl-db below
                type: bind
                source: ${MCL_DATA_DIR}/blobstorage
                target: /data/blobstorage
                consistency: consistent
            -
                # This contains Zope logs
                type: bind
                source: ${MCL_DATA_DIR}/log
                target: /data/log
                consistency: delegated
            # TODO: make the "import" directory available some day
        ports:
            -
                # Map container's Plone's 8080 to 4135 (or MCL_PUBLISHED_PORT)
                target: 8080
                published: ${MCL_PUBLISHED_PORT:-4135}
                protocol: tcp
                mode: host
        networks:
            - backplane
            - default
        environment:
            # Empty settings inherit values from the host's environment
            MCL_PORTAL_VERSION:
            MCL_DATA_DIR:
            MCL_PUBLISHED_PORT:
            ZEO_ADDRESS: mcl-db:8080
            ZEO_SHARED_BLOB_DIR: 'on'
            # https://github.com/plone/plone.docker/issues/160
            ZEO_PACK_KEEP_OLD: 'false'
        depends_on:
            - mcl-db
            - mcl-memory-cache
        restart: always
        stop_grace_period: 23s
        labels:
            org.label-schema.name: MCL Public Portal Zope/Plone
            org.label-schema.description: Zope appserver running a Plone instance serving the CMS for website of the Consortium for Molecular and Cellular Characterization of Screen-Detected Lesions.


    # MCL Database (ZEO)
    # ~~~~~~~~~~~~~~~~~~
    #
    # Zope Enterprise Objects (ZEO) database server
    mcl-db:
        container_name: mcl-db
        # image: nutjob4life/mcl-site:${MCL_PORTAL_VERSION-latest}
        image: mcl-site:latest
        command: zeo
        volumes:
            -
                # This is the main Zope database; super important!
                type: bind
                source: ${MCL_DATA_DIR}/filestorage
                target: /data/filestorage
                consistency: consistent
            -
                # Binary large objects or BLOBs; must be same as in mcl-portal above
                type: bind
                source: ${MCL_DATA_DIR}/blobstorage
                target: /data/blobstorage
                consistency: consistent
            -
                # This contains ZEO logs
                type: bind
                source: ${MCL_DATA_DIR}/log
                target: /data/log
                consistency: delegated
        networks:
            - backplane
        environment:
            # Empty settings inherit values from the host's environment
            MCL_PORTAL_VERSION:
            # https://github.com/plone/plone.docker/issues/160
            ZEO_PACK_KEEP_OLD: 'false'
        restart: always
        stop_grace_period: 13s
        labels:
            org.label-schema.name: Database
            org.label-schema.description: Zope Enterprise Objects (ZEO) database server for the website of the Consortium for Molecular and Cellular Characterization of Screen-Detected Lesions.

    # Memory Cache
    # ~~~~~~~~~~~~
    #
    # Mainly (exclusively?) for caching LDAP query results
    mcl-memory-cache:
        container_name: mcl-memory-cache
        image: memcached:1.6.9-alpine
        networks:
            - backplane
        restart: always
        labels:
            org.label-schema.name: Memory Cache
            org.label-schema.description: Cache for computed objects using `memcached` to speed up the MCL Public Portal.


# Networks
# --------
#
# Thankfully, this is pretty simple.
networks:
    backplane:
        driver: bridge
        labels:
            org.label-schema.name: MCL Backplane Network
            org.label-schema.description: Internal bridge network so the services that comprise the MCL site may communicate.
    default:
        driver: bridge


# Misc
# ----
#
# Only thing we have here is some Docker Compose metadata.
version: '3.7'