DPS Tutorial v3

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See overflow from:

• [x] https://github.com/MAAP-Project/maap-documentation/issues/400

Also #409

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• [x] algorithm registration clarifications per https://esa-nasa-maap.slack.com/archives/C01308ZHELF/p1722625799474099

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• [x] register: uses the yml and the build_command to make an image with your code and env submitjob: calls your built image to execute analysis, whatever is specific in run_command

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switch to base_image to speed up build process

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requirements.txt has to include all the packages you need, not just the additions on top of python/r base

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Going to close this out. Next steps:

• 409 (tracked separately) added to the environment docs

• upgrade the demo algorithm to be more complex, use the “simple” base image