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REDCap to Harvest

Dockerfile and tools for deriving Harvest applications from REDCap projects.



The Docker file relies on the REDCap data dictionary and data file to build the Harvest application. These files must be made available by mounting a volume to /input containing these files. By default the file names are metadata.csv and data.csv, however these can be configured by setting the $METADATA_FILE and $DATA_FILE environment variables.

To run an interactive container:

docker run --rm -it -p 8000:8000 -v /path/to/your/input:/input dbhi/redcap-harvest

The startup script will build a SQLite database for Harvest from the metadata and data files and then end with running the Django server on port 8000.


The intent of this image is to provide an ephemeral, read-only Harvest application representative of a REDCap project, however it may be desirable to persist metadata changes and saved queries over time. This is straightforward to accomplish by providing a custom file. At a minimum the following settings are required.

from global_settings import INSTALLED_APPS


    'default': {
        'model': 'Record',

SECRET_KEY = 'abc123'

To define a custom database, simply define the Django DATABASES setting. This example assumes a container db will be linked to this one.

# ..[snip]..

    'default': {
        'ENGINE': 'django.db.backends.postgresql_psycopg2',
        'HOST': 'db',
        'PORT': 5432,
        'USER': 'postgres',

The corresponding Dockerfile would look something like this:

FROM dbhi/redcap-harvest

# Install postgresql bindings
RUN pip install psycopg2

# The current working directory is /usr/src/app/project
ADD ./project/conf/
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