[PostGIS] #5637: woodie exceeds disk quota

[PostGIS]

#5637: woodie exceeds disk quota
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 Reporter:  strk          |      Owner:  robe
     Type:  defect        |     Status:  new
 Priority:  medium        |  Milestone:  Website Management, Bots
Component:  QA/buildbots  |    Version:
 Keywords:                |
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 When all languages are built it always happens that the woodie CI job ends
 up out of disk quota. For example here:

 https://woodie.osgeo.org/repos/30/pipeline/1592/23

 This is due to an upstream bug that fail to cleanup unused containers
 after use, in a multi-steps pipeline as we are using now.

 This ticket is to deal with it.

 What we can do:

    1. Avoid the multi-step pipeline and use a single step (after all we're
 using the SAME Docker image for all steps, and the current multi-step
 approach is to give easier-to-read logs).
    2. Request OSGeo global fix of the issue, which is ticketed here:
 https://trac.osgeo.org/osgeo/ticket/3040
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5637>
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