diff --git a/.devcontainer/internal_dev/devcontainer.json b/.devcontainer/internal_dev/devcontainer.json
index 01eb60233b..a37e3146d3 100644
--- a/.devcontainer/internal_dev/devcontainer.json
+++ b/.devcontainer/internal_dev/devcontainer.json
@@ -25,6 +25,7 @@
       "extensions": ["ms-dotnettools.csdevkit"]
     }
   },
+  "onCreateCommand": "bash .devcontainer/internal_dev/onCreateCommand.sh",
   "postCreateCommand": "bash .devcontainer/internal_dev/postCreateCommand.sh",
   "forwardPorts": [1080, 1433, 3306, 5432, 10000, 10001, 10002],
   "portsAttributes": {
diff --git a/.devcontainer/internal_dev/onCreateCommand.sh b/.devcontainer/internal_dev/onCreateCommand.sh
new file mode 100644
index 0000000000..71d466aae9
--- /dev/null
+++ b/.devcontainer/internal_dev/onCreateCommand.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+export REPO_ROOT="$(git rev-parse --show-toplevel)"
+
+file="$REPO_ROOT/dev/custom-root-ca.crt"
+
+if [ -e "$file" ]; then
+  echo "Adding custom root CA"
+  sudo cp "$file" /usr/local/share/ca-certificates/
+  sudo update-ca-certificates
+else
+  echo "No custom root CA found, skipping..."
+fi
diff --git a/dev/.gitignore b/dev/.gitignore
index 39b657f453..034b002f7c 100644
--- a/dev/.gitignore
+++ b/dev/.gitignore
@@ -18,3 +18,4 @@ signingkey.jwk
 
 # Reverse Proxy Conifg
 reverse-proxy.conf
+*.crt