diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 757a0a8..35ed805 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -8,6 +8,9 @@
   "customizations": {
     "vscode": {
       "extensions": [
+        "bierner.markdown-mermaid",
+        "ms-azuretools.azure-dev",
+        "ms-azuretools.vscode-cosmosdb",
         "ms-python.python"
       ]
     }
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