Initial commit: Clean Mold Cost Calculator application

- Flask-based mold cost calculation application
- PostgreSQL database with SQLAlchemy ORM
- Docker/Podman containerization
- Comprehensive documentation in docs/
- Clean, organized codebase without obsolete files
- Production-ready deployment configuration
- Enhanced pytest configuration with coverage reporting
- Master/Development branch structure

tests/test_deployment.py

@@ -0,0 +1,64 @@
+import pytest
+import os
+from app import create_app, db
+
+def test_production_config():
+    """Test production configuration settings."""
+    app = create_app('production')
+    
+    # Test essential production settings
+    assert not app.config['DEBUG']
+    assert app.config['TESTING'] is False
+    assert 'SECRET_KEY' in app.config
+    assert app.config['SQLALCHEMY_DATABASE_URI'] is not None
+    assert app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] is False
+
+def test_database_connection(app):
+    """Test database connection in production environment."""
+    with app.app_context():
+        try:
+            # Test database connection
+            db.engine.connect()
+            assert True
+        except Exception as e:
+            pytest.fail(f"Database connection failed: {str(e)}")
+
+def test_environment_variables():
+    """Test required environment variables are set."""
+    required_vars = [
+        'FLASK_APP',
+        'FLASK_ENV',
+        'SECRET_KEY',
+        'DATABASE_URL'
+    ]
+    
+    for var in required_vars:
+        assert os.getenv(var) is not None, f"Required environment variable {var} is not set"
+
+def test_gunicorn_config():
+    """Test Gunicorn configuration settings."""
+    import gunicorn_config
+    
+    assert hasattr(gunicorn_config, 'bind')
+    assert hasattr(gunicorn_config, 'workers')
+    assert hasattr(gunicorn_config, 'timeout')
+    assert gunicorn_config.forwarded_allow_ips != '*'
+
+def test_container_health_check(client):
+    """Test container health check endpoint."""
+    response = client.get('/health')
+    assert response.status_code == 200
+    assert response.json['status'] == 'healthy'
+
+def test_error_handling(client):
+    """Test error handling for common deployment issues."""
+    # Test database connection error
+    with pytest.raises(Exception):
+        client.get('/calculator')
+    
+    # Test rate limiting
+    for _ in range(100):
+        client.get('/')
+    
+    response = client.get('/')
+    assert response.status_code == 429  # Too Many Requests