Docker Compose: Revert extends modularization because Brev doesn't support it.

Author: brycelelbach

brev/docker-compose-base.yml

@@ -6,7 +6,6 @@ x-config:
   # Thus on Brev, ../.. resolves to /home, and we need to add accelerated-computing-hub/ to get
   # to the Git repository.
   ach-volume: &ach-volume ../..${BREV_ENV_ID:+/ubuntu/accelerated-computing-hub}:/accelerated-computing-hub
-  docker-compose-base: &docker-compose-base https://github.com/NVIDIA/accelerated-computing-hub.git#brev-reorg:brev/docker-compose-base.yml
   dockerfile: &dockerfile tutorials/accelerated-python/brev/dockerfile
   image: &image ghcr.io/nvidia/accelerated-python-tutorial:brev-reorg-latest
   working-dir: &working-dir /accelerated-computing-hub/tutorials/accelerated-python/notebooks
@@ -16,22 +15,69 @@ services:
     build:
       context: ../../..
       dockerfile: *dockerfile
+      args:
+        GIT_BRANCH_NAME: ${GIT_BRANCH_NAME:-HEAD}
     image: *image
+    pull_policy: missing
     volumes:
       - *ach-volume
+    environment:
+      - BREV_ENV_ID
+    user: root
     working_dir: *working-dir
+    command: ["/update-git-branch.bash"]
+    restart: "no"
   jupyter:
-    extends:
-      file: *docker-compose-base
-      service: jupyter
     image: *image
+    depends_on:
+      base:
+        condition: service_completed_successfully
+    privileged: true
+    ulimits:
+      memlock: -1
+      stack: 67108864
+    shm_size: 1g
+    deploy:
+      resources:
+        reservations:
+          devices:
+            - driver: nvidia
+              count: all
+              capabilities: [gpu]
+    ports:
+      - "0.0.0.0:8888:8888" # JupyterLab
     volumes:
       - *ach-volume
+    environment:
+      - BREV_ENV_ID
+    user: root
     working_dir: *working-dir
+    restart: "unless-stopped"
   nsight:
-    extends:
-      file: *docker-compose-base
-      service: nsight
+    image: nvcr.io/nvidia/devtools/nsight-streamer-nsys:2025.3.1
+    depends_on:
+      base:
+        condition: service_completed_successfully
+    pull_policy: missing
+    ulimits:
+      memlock: -1
+      stack: 67108864
+    shm_size: 1g
+    deploy:
+      resources:
+        reservations:
+          devices:
+            - driver: nvidia
+              count: all
+              capabilities: [gpu]
+    ports:
+      - "0.0.0.0:8080:8080" # HTTP
+      - "0.0.0.0:3478:3478" # TURN
     volumes:
       - *ach-volume
+    environment:
+      - BREV_ENV_ID
+    user: root
     working_dir: *working-dir
+    entrypoint: ["/accelerated-computing-hub/brev/nsight-start.bash"]
+    restart: "unless-stopped"