Add test configuration for a private image source.

src/test/.devcontainer.json

@@ -0,0 +1,11 @@
+{
+    "name": "Jupyter app",
+    "dockerComposeFile": "docker-compose.yaml",
+    "service": "app",
+    "shutdownAction": "none",
+    // Open the sub-folder with the source code
+    "workspaceFolder": "/workspace/jupyter",
+    "postCreateCommand": ["../startupscript/post-startup.sh", "jovyan", "/home/jovyan/work"],
+    "remoteUser": "root"
+  }
+

src/test/docker-compose.yaml

@@ -0,0 +1,27 @@
+version: '2.4'
+services:
+  app:
+    container_name: "application-server"
+    image: us-docker.pkg.dev/prj-e-matted-gmx/docker/scipy-notebook
+    restart: always
+    volumes:
+      - ..:/workspace:cached
+      - work:/home/jovyan/work
+    ports:
+      - '8888:8888'
+    environment:
+      JUPYTER_ENABLE_LAB: "yes"
+    command: "start-notebook.py --ServerApp.token='' --ServerApp.password='' --ServerApp.root_dir=/home/jovyan/work --ServerApp.allow_origin='*'"
+    networks:
+      - app-network
+    cap_add:
+      - SYS_ADMIN
+    devices:
+      - /dev/fuse
+    security_opt:
+      - apparmor:unconfined
+networks:
+  app-network:
+    external: true
+volumes:
+  work: