ckan (#8, #9): documented how to uninstall (needs this to change the …

…base images, as cited on #9)
covid-taskforce-cplp · Apr 19, 2020 · ddf8701 · ddf8701
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commit ddf8701
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diff --git a/docker/README.md b/docker/README.md
@@ -1,3 +1,15 @@
 # docker
 
 > @TODO: implement this part (fititnt, 2020-04-05 08:28 BRT)
+
+## Uninstall
+
+- See <https://docs.docker.com/engine/reference/commandline/system_prune/>
+
+```bash
+# remove all not actively used, except data volumes
+docker system prune
+
+# remove all not actively used, EVEN data volumes (be very sure of what you are doing)
+docker system prune -a --volumes
+```