maybe

tempo.compose.yaml

@@ -15,7 +15,11 @@ services:
 
   tempo:
     image: *tempoImage
-    command: [ "-server.http-listen-port=3200" ]
+    command: 
+      - -server.http-listen-port=3200
+      - --storage.trace.backend=local
+      - --storage.trace.local.path=/tmp/tempo/traces
+      - --storage.trace.wal.path=/tmp/tempo/wal
     volumes:
       - tempo-data:/var/tempo
     network_mode: host # so all the other containers can send to it easily