diff --git a/docker-compose.yml b/docker-compose.yml
index 7d9cc69..8b65768 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -408,6 +408,20 @@ services:
               target: /firstrun
               volume:
                   nocopy: false
+    graph-deploy-dataunion-subgraph-fastchain:
+        container_name: streamr-dev-graph-deploy-dataunion-subgraph-fastchain
+        image: streamr/graph-deploy-dataunion-subgraph:dev-fastchain
+        restart: on-failure # exits on success
+        networks:
+            - streamr-network
+        depends_on:
+            - graph-node-fastchain
+        volumes:
+            - type: volume
+              source: data-graph-deploy-dataunion-fastchain
+              target: /firstrun
+              volume:
+                  nocopy: false
     graph-deploy-tatum-subgraph:
         container_name: streamr-dev-graph-deploy-tatum-subgraph
         image: streamr/graph-deploy-tatum-subgraph:dev
@@ -596,4 +610,5 @@ volumes:
     data-graph-deploy-legacy:
     data-deploy-hub-subgraph:
     data-graph-deploy-dataunion:
+    data-graph-deploy-dataunion-fastchain:
     data-graph-deploy-tatum: