diff --git a/.github/workflows/ndc-python-lambda-connector.yaml b/.github/workflows/ndc-python-lambda-connector.yaml
index 55fedcd..35f0af3 100644
--- a/.github/workflows/ndc-python-lambda-connector.yaml
+++ b/.github/workflows/ndc-python-lambda-connector.yaml
@@ -36,6 +36,16 @@ jobs:
             echo "pytest not found, skipping tests"
           fi
 
+  test-connector:
+    name: Test connector
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Test example functions.py works
+        run: ./scripts/test-container.sh
+
   build-connector:
     name: Build connector
     runs-on: ubuntu-latest
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 404ff9f..7df2500 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,9 @@ This changelog documents the changes between release versions.
 ## [Unreleased]
 Changes to be included in the next upcoming release
 
+## [0.2.3] - 2025.08.19
+* Use `ndc-sdk-python` package version `v0.41`
+
 ## [0.2.2] - 2025.08.18
 * Fix templates to refer to new package
 
diff --git a/connector-definition/template/requirements.txt b/connector-definition/template/requirements.txt
index 5412cb6..ed5601e 100644
--- a/connector-definition/template/requirements.txt
+++ b/connector-definition/template/requirements.txt
@@ -1 +1 @@
-ndc-sdk-python==0.40
+ndc-sdk-python==0.41
diff --git a/scripts/test-container.sh b/scripts/test-container.sh
new file mode 100755
index 0000000..d2678b6
--- /dev/null
+++ b/scripts/test-container.sh
@@ -0,0 +1,196 @@
+#!/bin/bash
+
+# Script to build, test, and cleanup the ndc-python-lambda container
+# This script builds the root Dockerfile, runs it with connector-definition files,
+# tests the /schema and /capabilities endpoints, and cleans up.
+
+set -e # Exit on any error
+
+# Configuration
+IMAGE_NAME="ndc-python-lambda-test"
+CONTAINER_NAME="ndc-python-lambda-test-container"
+CONTAINER_PORT="8080"
+HOST_PORT="8080"
+TIMEOUT=30        # seconds to wait for container to be ready
+TEMP_BUILD_DIR="" # Will be set by mktemp
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# Function to print colored output
+print_status() {
+  echo -e "${GREEN}[INFO]${NC} $1"
+}
+
+print_warning() {
+  echo -e "${YELLOW}[WARN]${NC} $1"
+}
+
+print_error() {
+  echo -e "${RED}[ERROR]${NC} $1"
+}
+
+# Function to cleanup on exit
+cleanup() {
+  print_status "Cleaning up..."
+
+  # Stop and remove container if it exists
+  if docker ps -a --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
+    print_status "Stopping and removing container: ${CONTAINER_NAME}"
+    docker stop "${CONTAINER_NAME}" >/dev/null 2>&1 || true
+    docker rm "${CONTAINER_NAME}" >/dev/null 2>&1 || true
+  fi
+
+  # Remove image if it exists
+  if docker images --format '{{.Repository}}:{{.Tag}}' | grep -q "^${IMAGE_NAME}:latest$"; then
+    print_status "Removing image: ${IMAGE_NAME}"
+    docker rmi "${IMAGE_NAME}" >/dev/null 2>&1 || true
+  fi
+
+  # Remove temporary build directory if it exists
+  if [ -n "${TEMP_BUILD_DIR}" ] && [ -d "${TEMP_BUILD_DIR}" ]; then
+    print_status "Removing temporary build directory: ${TEMP_BUILD_DIR}"
+    rm -rf "${TEMP_BUILD_DIR:?}"
+  fi
+
+  print_status "Cleanup completed"
+}
+
+# Set trap to cleanup on script exit
+trap cleanup EXIT
+
+# Function to wait for container to be ready
+wait_for_container() {
+  print_status "Waiting for container to be ready..."
+  local count=0
+  while [ $count -lt $TIMEOUT ]; do
+    if curl -s -f "http://localhost:${HOST_PORT}/health" >/dev/null 2>&1; then
+      print_status "Container is ready!"
+      return 0
+    fi
+    sleep 1
+    count=$((count + 1))
+    echo -n "."
+  done
+  echo
+  print_error "Container failed to become ready within ${TIMEOUT} seconds"
+  return 1
+}
+
+# Function to setup temporary build directory
+setup_temp_build_dir() {
+  print_status "Setting up temporary build directory with connector-definition files..."
+
+  # Create temporary directory using mktemp
+  TEMP_BUILD_DIR=$(mktemp -d)
+  print_status "Created temporary build directory: ${TEMP_BUILD_DIR}"
+
+  # Copy the Dockerfile to temp directory
+  cp "Dockerfile" "${TEMP_BUILD_DIR}/"
+
+  # Copy connector-definition files to the locations expected by the Dockerfile
+  # The original Dockerfile expects:
+  # COPY /docker /scripts  -> so we /docker to docker/
+  # COPY /functions /functions -> so we copy connector-definition/template to functions/
+
+  cp -r "docker" "${TEMP_BUILD_DIR}/docker"
+  cp -r "connector-definition/template" "${TEMP_BUILD_DIR}/functions"
+
+  print_status "Temporary build directory setup complete"
+  print_status "Build directory contents:"
+  ls -la "${TEMP_BUILD_DIR}"
+}
+
+# Function to test an endpoint
+test_endpoint() {
+  local endpoint=$1
+  local description=$2
+
+  print_status "Testing ${description} (${endpoint})..."
+
+  local response_code
+  response_code=$(curl -s -o /dev/null -w "%{http_code}" "http://localhost:${HOST_PORT}${endpoint}")
+
+  if [ "$response_code" = "200" ]; then
+    print_status "✓ ${description} returned 200 OK"
+    return 0
+  else
+    print_error "✗ ${description} returned ${response_code} (expected 200)"
+    return 1
+  fi
+}
+
+# Main execution
+main() {
+  print_status "Starting ndc-python-lambda container test"
+
+  # Check if required directories exist
+  if [ ! -d "connector-definition/template" ]; then
+    print_error "connector-definition/template directory not found"
+    exit 1
+  fi
+
+  if [ ! -d "connector-definition/scripts" ]; then
+    print_error "connector-definition/scripts directory not found"
+    exit 1
+  fi
+
+  # Setup temporary build directory with connector-definition files
+  setup_temp_build_dir
+
+  # Build the Docker image using the original Dockerfile from temp directory
+  print_status "Building Docker image: ${IMAGE_NAME}"
+  docker build -t "${IMAGE_NAME}" "${TEMP_BUILD_DIR}"
+
+  # Run the container
+  print_status "Starting container: ${CONTAINER_NAME}"
+  docker run -d \
+    --name "${CONTAINER_NAME}" \
+    -p "${HOST_PORT}:${CONTAINER_PORT}" \
+    "${IMAGE_NAME}"
+
+  # Wait for container to be ready
+  if ! wait_for_container; then
+    print_error "Container failed to start properly"
+    exit 1
+  fi
+
+  # Test the endpoints
+  local test_failed=false
+
+  if ! test_endpoint "/schema" "Schema endpoint"; then
+    test_failed=true
+  fi
+
+  if ! test_endpoint "/capabilities" "Capabilities endpoint"; then
+    test_failed=true
+  fi
+
+  # Report results
+  if [ "$test_failed" = true ]; then
+    print_error "Some tests failed!"
+    exit 1
+  else
+    print_status "All tests passed successfully! ✓"
+  fi
+}
+
+# Check if Docker is available
+if ! command -v docker &>/dev/null; then
+  print_error "Docker is not installed or not in PATH"
+  exit 1
+fi
+
+# Check if curl is available
+if ! command -v curl &>/dev/null; then
+  print_error "curl is not installed or not in PATH"
+  exit 1
+fi
+
+# Run main function
+main
+
+print_status "Script completed successfully!"