backend implemented

app/__init__.py

@@ -0,0 +1,32 @@
+from flask import Flask
+from flask_jwt_extended import JWTManager
+from config import Config
+from models import db, User, UserRole
+from werkzeug.security import generate_password_hash
+from .routes import bp_api_v1
+
+jwt = JWTManager()
+
+def create_app():
+    app = Flask(__name__)
+    app.config.from_object(Config)
+
+    db.init_app(app)
+    jwt.init_app(app)
+
+    app.register_blueprint(bp_api_v1, url_prefix='/api/v1')
+
+    with app.app_context():
+        db.create_all()
+        # Create default Owner if not exists
+        if not User.query.first():
+            default_owner = User(
+                username=app.config['DEFAULT_OWNER_USERNAME'],
+                nickname=app.config['DEFAULT_OWNER_USERNAME'],
+                password=generate_password_hash(app.config['DEFAULT_OWNER_PASSWORD']),
+                role=UserRole.ADMIN
+            )
+            db.session.add(default_owner)
+            db.session.commit()
+
+    return app