diff --git a/couchbase/README.md b/couchbase/README.md
index ca9534d..ecb5841 100644
--- a/couchbase/README.md
+++ b/couchbase/README.md
@@ -3,6 +3,15 @@
 [Couchbase Server](https://www.couchbase.com), single node, defined in
 `compose.yml`.
 
+## Images
+
+`couchbase:community` runs Community Edition, free in production for clusters
+of up to five nodes, without XDCR. The untagged image is Enterprise Edition,
+free only for development and testing; production needs a paid subscription.
+Upstream publishes no moving major tag for Community, so `community` tracks
+the newest Community release (8.0.x at the time of writing) and moves to the
+next major when one ships.
+
 ## Networking
 
 Clients connect to Couchbase directly on its ports, not through a domain on the
diff --git a/couchbase/compose.yml b/couchbase/compose.yml
index c5d1738..f48fd28 100644
--- a/couchbase/compose.yml
+++ b/couchbase/compose.yml
@@ -1,6 +1,6 @@
 services:
   couchbase:
-    image: couchbase
+    image: couchbase:community
     ports:
       - "8091-8097:8091-8097"
       - "9123:9123"