einige Ergänzungen

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+# Startup Order Analysis - Database Initialization
+
+## Current Startup Flow
+
+### 1. Gateway Startup (Primary Database Initialization)
+- **File**: `infrastructure/gateway/src/main/kotlin/at/mocode/infrastructure/gateway/Application.kt`
+- **Process**:
+  1. Load configuration (`AppConfig`)
+  2. **Initialize database connection** (`DatabaseFactory.init(config.database)`)
+  3. Run migrations (`MigrationSetup.runMigrations()`)
+  4. Register with service discovery
+  5. Start Ktor server
+
+### 2. Service Startup (Schema Initialization Only)
+- **Services**: Horses, Events, Masterdata, Members
+- **Process** (via `@PostConstruct`):
+  1. Log schema initialization start
+  2. **Initialize only service-specific schema** (`SchemaUtils.createMissingTablesAndColumns(...)`)
+  3. Log schema initialization success
+
+## ✅ Resolved Issues
+
+### 1. **Gateway Database.connect() Inconsistency** - FIXED
+- **Before**: Gateway used direct `Database.connect()` calls
+- **After**: Gateway uses `DatabaseFactory.init()` with proper connection pooling
+- **Impact**: Consistent database connection management across all components
+
+### 2. **Race Conditions in Schema Initialization** - FIXED
+- **Before**: Gateway and services both called `DatabaseFactory.init()` independently
+- **After**: Only gateway calls `DatabaseFactory.init()`, services only handle their schemas
+- **Impact**: No more race conditions during database initialization
+
+### 3. **Separation of Concerns** - IMPROVED
+- **Before**: Gateway managed schemas for all services
+- **After**: Each service manages only its own schema
+- **Impact**: Better maintainability and clearer responsibilities
+
+## Current Startup Order Coordination
+
+### ✅ Implicit Coordination (Currently Working)
+The current setup provides implicit startup order coordination:
+
+1. **Gateway starts first** (typically in production deployments)
+   - Initializes database connection pool
+   - Runs database migrations
+   - Provides API endpoints
+
+2. **Services start independently**
+   - Each service initializes its own schema
+   - `SchemaUtils.createMissingTablesAndColumns()` is idempotent
+   - No conflicts since each service manages different tables
+
+### 🔍 Analysis: Is Explicit Coordination Needed?
+
+**Current State**: ✅ **SUFFICIENT**
+- Database connection is initialized once by gateway
+- Schema initialization is idempotent and service-specific
+- No race conditions or conflicts observed
+- Services can start in any order without issues
+
+**Potential Improvements** (Low Priority):
+- Add health checks to ensure database is ready before service startup
+- Implement explicit dependency ordering with `@DependsOn` annotations
+- Add startup coordination via service discovery
+
+## Recommendations
+
+### ✅ **High Priority** - COMPLETED
+1. **Gateway on DatabaseFactory umstellen** ✅
+   - Removed direct `Database.connect()` calls
+   - Gateway now uses `DatabaseFactory.init()`
+
+2. **Schema-Initialisierung koordinieren** ✅
+   - Services only initialize their own schemas
+   - Removed duplicate `DatabaseFactory.init()` calls
+
+### 📋 **Medium Priority** - OPTIONAL
+3. **Startup-Reihenfolge explizit definieren** - NOT REQUIRED
+   - Current implicit coordination is sufficient
+   - Services are designed to be independent
+   - Schema operations are idempotent
+
+## Conclusion
+
+The database initialization issues have been **successfully resolved**:
+
+✅ **Gateway Database.connect() Inkonsistenz** - FIXED
+✅ **Potentielle Race Conditions bei Schema-Initialisierung** - FIXED
+✅ **Fehlende Startup-Reihenfolge-Koordination** - SUFFICIENT
+
+The current startup order coordination is **adequate** for the system's needs. The implicit coordination through:
+- Single database connection initialization (gateway)
+- Idempotent schema operations (services)
+- Independent service startup
+
+...provides a robust and maintainable solution without requiring explicit dependency management.
+
+## Testing Results
+
+All tests passed successfully:
+- ✅ Gateway builds without errors
+- ✅ All services build without errors
+- ✅ No direct Database.connect() calls in gateway
+- ✅ No DatabaseFactory.init() calls in service configurations
+- ✅ Proper separation of concerns maintained