diff --git a/docker-compose.worker.yml b/docker-compose.worker.yml
index 74d9b7e..26d5508 100644
--- a/docker-compose.worker.yml
+++ b/docker-compose.worker.yml
@@ -17,6 +17,7 @@
 #   REDIS_URL, DATABASE_URL, S3_ENDPOINT, S3_BUCKET, S3_ACCESS_KEY, S3_SECRET_KEY
 #   BMD_DEVICE_0  DeckLink device path (default: /dev/blackmagic/dv0)
 #   BMD_DEVICE_1  DeckLink device path (default: /dev/blackmagic/dv1)
+#   LIVE_DIR      Host path for HLS live segments (default: /mnt/NVME/MAM/wild-dragon-live)
 #
 # Profiles:
 #   (default)           node-agent only — cluster visibility + hardware heartbeat
@@ -25,6 +26,11 @@
 #
 # To enable GPU transcoding, also apply docker-compose.gpu.yml:
 #   docker compose -f docker-compose.worker.yml -f docker-compose.gpu.yml --profile worker up -d
+#
+# NOTE: The node-agent mounts /var/run/docker.sock to spawn on-demand SDI
+# capture sidecars when the primary mam-api routes a recorder to this node.
+# Build the capture image before first use:
+#   docker compose -f docker-compose.worker.yml build capture
 
 services:
 
@@ -45,10 +51,12 @@ services:
       GPU_COUNT:     ${GPU_COUNT:--1}
       BMD_COUNT:     ${BMD_COUNT:--1}
       BMD_MODEL:     ${BMD_MODEL:-}
+      LIVE_DIR:      ${LIVE_DIR:-/mnt/NVME/MAM/wild-dragon-live}
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - /dev:/dev:ro
     devices:
       - /dev/blackmagic:/dev/blackmagic
-    volumes:
-      - /dev:/dev:ro
 
   worker:
     build: ./services/worker