diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index be39766a..87686727 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -6,7 +6,7 @@
 	// "features": {},
 
 	// Runs the initial setup commands after the container is created.
-	"postCreateCommand": ".devcontainer/post-create-command.sh"
+	"postCreateCommand": "sudo chmod +x .devcontainer/post-create-command.sh && .devcontainer/post-create-command.sh"
 
     // Activates the virtual environment after the container is started.
 	// "postStartCommand": ". .venv/bin/activate"
diff --git a/.devcontainer/post-create-command.sh b/.devcontainer/post-create-command.sh
index 98c5fd4b..bebfb778 100644
--- a/.devcontainer/post-create-command.sh
+++ b/.devcontainer/post-create-command.sh
@@ -1,21 +1,28 @@
 #!/bin/bash
+set -e
 
 # Add user's fork as a remote
 GIT_USER=$(git config user.name)
 git remote add fork https://github.com/${GIT_USER}/flask
+echo "Added remote"
 
 # Create and activate a virtualenv
 python3 -m venv .venv
 . .venv/bin/activate
+echo "Created virtualenv"
 
 # Upgrade pip and setuptools
 python -m pip install --upgrade pip setuptools
+echo "Upgraded setuptools"
 
 # Install the development dependencies, then install Flask in editable mode
 pip install -r requirements/dev.txt && pip install -e .
+echo "Installed dependencies and Flask"
 
 # Install pre-commit hooks
 pre-commit install
+echo "Installed pre-commit hooks"
 
 # Install coverage
 pip install coverage
+echo "Installed coverage"