nextcloud-docs/swipl/content.md

What is SWI-Prolog?

SWI-Prolog is a versatile implementation of the Prolog language. Its robust multi-threading, extended data types, unbounded arithmetic and Unicode representation of text allow for natural representation of documents (e.g., XML, JSON, RDF) and exchange of data with other programming paradigms.

wikipedia.org/wiki/Prolog

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How to use this image

Start a REPL

This image can be run directly to obtain an SWI-Prolog environment with most useful modules pre-built. When started without parameters, the SWI-Prolog REPL is launched automatically:

docker run -it %%IMAGE%% 

Build an image with your application

It is also useful to build images on top of this base image which rely on SWI-Prolog and provide their own default command:

FROM %%IMAGE%%
ADD souce.tar.gz /app
CMD ["swipl", "/app/start.pl"]

This will extract and copy your source files to the image and then set the default command to run your application.