Merge branch 'develop' into erikj/less_state_membership github/erikj/less_state_membership erikj/less_state_membership

1 files changed, 1 insertions, 0 deletions

diff --git a/docker/complement/Dockerfile b/docker/complement/Dockerfile

index c5e7984a28..3cfff19f9a 100644
--- a/docker/complement/Dockerfile
+++ b/docker/complement/Dockerfile
@@ -1,3 +1,4 @@
+# syntax=docker/dockerfile:1
 # This dockerfile builds on top of 'docker/Dockerfile-workers' in matrix-org/synapse
 # by including a built-in postgres instance, as well as setting up the homeserver so
 # that it is ready for testing via Complement.