deploy

app.py

@@ -51,26 +51,16 @@ try:
         get_diagnosis_by_prediction_id,
         get_engine,
     )
-  
-    try:
     engine = get_engine()
-        # quick connect test
-        with engine.connect() as conn:
-            # initialize tables if needed
+    MYSQL_AVAILABLE = engine is not None
+    if MYSQL_AVAILABLE:
         try:
             init_mysql_tables()
+            print("✓ MySQL database initialized")
         except Exception as init_err:
-               
             print(f"⚠️  Warning: Database tables initialization failed: {init_err}")
-        print("✓ MySQL Database connected successfully")
-        MYSQL_AVAILABLE = True
-    except Exception as e:
-        import traceback
-        print('❌ MySQL not available at startup:')
-        print(f"   Error: {e}")
-        print("   Cek: 1) MySQL Server berjalan? 2) .env credentials benar? 3) Database 'deteksi_pmk' ada?")
-        traceback.print_exc()
-        MYSQL_AVAILABLE = False
+    else:
+        print("[APP] MySQL disabled: no valid database configuration found")
 except Exception as import_err:
     print(f"❌ Failed to import MySQL utilities: {import_err}")
     MYSQL_AVAILABLE = False

utils/mysql_db.py

@@ -40,11 +40,15 @@ def _build_database_uri():
         except Exception as e:
             print(f"[MYSQL] Ignoring invalid DATABASE_URL: {e}")
 
-    db_host = os.environ.get('DB_HOST') or os.environ.get('MYSQLHOST', 'localhost')
-    db_port = _normalize_port(os.environ.get('DB_PORT') or os.environ.get('MYSQLPORT'))
-    db_user = os.environ.get('DB_USER') or os.environ.get('MYSQLUSER', 'root')
+    db_host = (os.environ.get('DB_HOST') or os.environ.get('MYSQLHOST') or '').strip()
+    db_user = (os.environ.get('DB_USER') or os.environ.get('MYSQLUSER') or '').strip()
     db_password = os.environ.get('DB_PASSWORD') or os.environ.get('MYSQLPASSWORD', '')
-    db_name = os.environ.get('DB_NAME') or os.environ.get('MYSQLDATABASE', 'deteksi_pmk')
+    db_name = (os.environ.get('DB_NAME') or os.environ.get('MYSQLDATABASE') or '').strip()
+
+    if not db_host or not db_user or not db_name:
+        return None
+
+    db_port = _normalize_port(os.environ.get('DB_PORT') or os.environ.get('MYSQLPORT'))
 
     if db_password:
         return f"mysql+pymysql://{db_user}:{db_password}@{db_host}:{db_port}/{db_name}"
@@ -55,11 +59,14 @@ def _build_database_uri():
 DATABASE_URI = _build_database_uri()
 
 # Create engine
-try:
+if DATABASE_URI:
+    try:
         engine = create_engine(DATABASE_URI, echo=False, pool_pre_ping=True)
-except Exception as e:
+    except Exception as e:
         print(f"[MYSQL] Database engine unavailable: {e}")
         engine = None
+else:
+    engine = None
 
 Base = declarative_base()
 Session = sessionmaker(bind=engine) if engine is not None else sessionmaker()