diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 02c80ca..320d755 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,15 +1,17 @@
 {
   "image": "mcr.microsoft.com/devcontainers/dotnet:9.0",
   "features": {
-    "ghcr.io/azure/azure-dev/azd:latest": {},
-    "ghcr.io/devcontainers/features/azure-cli:latest": {},
-    "ghcr.io/devcontainers/features/docker-in-docker:2": {}
+    "ghcr.io/azure/azure-dev/azd": {},
+    "ghcr.io/devcontainers/features/azure-cli": {},
+    "ghcr.io/devcontainers/features/docker-in-docker": {}
   },
   "customizations": {
     "vscode": {
       "extensions": [
-        "ms-dotnettools.csdevkit",
-        "ms-azuretools.azure-dev"
+        "bierner.markdown-mermaid",
+        "ms-azuretools.azure-dev",
+        "ms-azuretools.vscode-cosmosdb",
+        "ms-dotnettools.csdevkit"
       ]
     }
   }
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..9cf3de3
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,5 @@
+{
+  "recommendations": [
+    "ms-azuretools.vscode-cosmosdb"
+  ]
+}
\ No newline at end of file