Flutter Web Setup for the Github Codespaces

setup.sh

#!/usr/bin/env bash
# setup_flutter_web.sh — Setup Flutter Web in GitHub Codespaces
set -euo pipefail

PROJECT_DIR="${1:-.}"
FLUTTER_INSTALL_DIR="/usr/local/flutter"
FLUTTER_CHANNEL="stable"
WEB_PORT=8080
WEB_HOST="0.0.0.0"

echo "=== Installing dependencies ==="
sudo apt-get update -y
sudo apt-get install -y curl git unzip xz-utils zip libglu1-mesa openjdk-17-jdk ca-certificates

echo "=== Cloning Flutter SDK (stable channel) ==="
if [ ! -d "$FLUTTER_INSTALL_DIR" ]; then
  sudo git clone https://github.com/flutter/flutter.git -b $FLUTTER_CHANNEL $FLUTTER_INSTALL_DIR
else
  echo "Flutter already installed at $FLUTTER_INSTALL_DIR"
fi

echo "=== Adding Flutter to PATH ==="
export PATH="$PATH:$FLUTTER_INSTALL_DIR/bin"

echo "=== Checking Flutter doctor ==="
flutter doctor -v || true

echo "=== Enabling Flutter Web ==="
flutter config --enable-web

echo "=== Running flutter pub get ==="
cd "$PROJECT_DIR"
flutter pub get

echo "✅ Setup complete!"
echo ""
echo "Run your app with:"
echo "flutter run -d web-server --web-hostname=0.0.0.0 --web-port=8080"