feat: worker compose adds capture profile (BMD DeckLink) and GPU env vars

docker-compose.worker.yml

@@ -7,14 +7,33 @@
 #   MAM_API_URL   URL of the primary MAM API  e.g. http://10.0.0.25:47432
 #   NODE_TOKEN    Bearer token from the primary's Tokens page
 #
-# Optional env vars (needed only if starting the worker profile):
+# Optional hardware overrides (if Docker can't see /dev directly):
-#   REDIS_URL, DATABASE_URL, S3_ENDPOINT, S3_BUCKET, S3_ACCESS_KEY, S3_SECRET_KEY
+#   GPU_COUNT     Number of NVIDIA GPUs on this node  (default: auto-detect from /dev/nvidia*)
+#   BMD_COUNT     Number of Blackmagic DeckLink cards  (default: auto-detect from /dev/blackmagic/)
 #
-# Start node-agent only (cluster visibility + health):
+# Optional env vars (needed only if starting the worker or capture profiles):
+#   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)
+#
+# Profiles:
+#   (default)           node-agent only — cluster visibility + hardware heartbeat
+#   --profile worker    + CPU job worker (proxy generation, transcoding)
+#   --profile capture   + SDI capture service (requires Blackmagic DeckLink card)
+#
+# 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
+#
+# Examples:
+#   # Agent only (register node in cluster, report hardware):
 #   docker compose -f docker-compose.worker.yml up -d
 #
-# Start node-agent + job worker (full processing node):
+#   # SDI capture node (1 DeckLink, no GPU worker):
-#   docker compose -f docker-compose.worker.yml --profile worker up -d
+#   docker compose -f docker-compose.worker.yml --profile capture up -d
+#
+#   # Full node (GPU worker + SDI capture):
+#   docker compose -f docker-compose.worker.yml -f docker-compose.gpu.yml \
+#     --profile worker --profile capture up -d
 
 services:
 
@@ -27,6 +46,8 @@ services:
       NODE_ROLE:     ${NODE_ROLE:-worker}
       AGENT_PORT:    3002
       HEARTBEAT_MS:  ${HEARTBEAT_MS:-30000}
+      GPU_COUNT:     ${GPU_COUNT:--1}
+      BMD_COUNT:     ${BMD_COUNT:--1}
     ports:
       - "${AGENT_PORT:-7436}:3002"
     networks:
@@ -44,6 +65,29 @@ services:
       S3_ACCESS_KEY:  ${S3_ACCESS_KEY}
       S3_SECRET_KEY:  ${S3_SECRET_KEY}
       S3_REGION:      ${S3_REGION:-us-east-1}
+      NVENC_ENABLED:  ${NVENC_ENABLED:-false}
+    networks:
+      - wild-dragon-worker
+
+  # SDI capture service — only start on nodes with Blackmagic DeckLink cards
+  # Set BMD_DEVICE_0 in .env.worker to the actual device path, e.g. /dev/blackmagic/dv0
+  capture:
+    build: ./services/capture
+    profiles: [capture]
+    restart: unless-stopped
+    environment:
+      REDIS_URL:     ${REDIS_URL}
+      DATABASE_URL:  ${DATABASE_URL}
+      S3_ENDPOINT:   ${S3_ENDPOINT}
+      S3_BUCKET:     ${S3_BUCKET}
+      S3_ACCESS_KEY: ${S3_ACCESS_KEY}
+      S3_SECRET_KEY: ${S3_SECRET_KEY}
+      CAPTURE_PORT:  3001
+    devices:
+      - ${BMD_DEVICE_0:-/dev/blackmagic/dv0}:/dev/blackmagic/dv0
+      - ${BMD_DEVICE_1:-/dev/blackmagic/dv1}:/dev/blackmagic/dv1
+    ports:
+      - "${CAPTURE_PORT:-7437}:3001"
     networks:
       - wild-dragon-worker