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authorEric Eastwood <erice@element.io>2022-09-14 18:14:17 -0500
committerEric Eastwood <erice@element.io>2022-09-14 18:14:17 -0500
commitdab846568de09742c038a9a5a5ed00539ff5aa38 (patch)
treeef4220faa96569d1d8d5f386c92bb4df2655eeed /docker/README-testing.md
parentAdd changelog (diff)
parentKeep track when we try and fail to process a pulled event (#13589) (diff)
downloadsynapse-github/madlittlemods/event_id_always_failed_to_fetch.tar.xz
Merge branch 'develop' into madlittlemods/event_id_always_failed_to_fetch github/madlittlemods/event_id_always_failed_to_fetch madlittlemods/event_id_always_failed_to_fetch
Conflicts:
	synapse/handlers/federation_event.py
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@@ -22,6 +22,10 @@ Consult the [contributing guide][guideComplementSh] for instructions on how to u
 Under some circumstances, you may wish to build the images manually.
 The instructions below will lead you to doing that.
 
+Note that these images can only be built using [BuildKit](https://docs.docker.com/develop/develop-images/build_enhancements/),
+therefore BuildKit needs to be enabled when calling `docker build`. This can be done by
+setting `DOCKER_BUILDKIT=1` in your environment.
+
 Start by building the base Synapse docker image. If you wish to run tests with the latest
 release of Synapse, instead of your current checkout, you can skip this step. From the
 root of the repository: