Docker Container Architecture

When running DataHub via docker-compose. or helm, the following is a diagram of the containers involved with running DataHub and their relationships with each other. The helm chart uses helm hooks to determine the proper ordering of the components whereas docker-compose relies on a series of health checks.

                datahub-frontend-react  datahub-actions
                                     \   /
                                       |   datahub-upgrade (NoCodeDataMigration, helm only)
                                       |   /
                                datahub-gms (healthy)
                                       |
                                datahub-upgrade (SystemUpdate completed)
            /--------------------/   |      \------------------------------------------------\
           /                         |                                                         \
mysql-setup (completed)  elasticsearch-setup (completed)                           (if apply) neo4j (healthy)
    |                           |
    |                           |
mysql (healthy)         elasticsearch (healthy)