Nahrát soubory do „z1/backend“

z1/backend/Dockerfile

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+FROM python:3.9
+WORKDIR /app
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+COPY . .
+CMD ["python", "app.py"]

z1/backend/app.py

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+from flask import Flask, request, jsonify
+from flask_cors import CORS
+import json
+
+app = Flask(__name__)
+CORS(app)  # Разрешаем CORS для фронтенда
+
+@app.route("/api/predict", methods=["POST"])
+def predict():
+    try:
+        data = request.json
+        text = data.get("text", "")
+
+        # Простая логика анализа текста
+        prediction = "Neutrálny text" if "dobry" in text else "Pravdepodobne toxický"
+
+        # ✅ Правильный способ вернуть JSON в UTF-8
+        response = app.response_class(
+            response=json.dumps({"prediction": prediction}, ensure_ascii=False),
+            status=200,
+            mimetype="application/json"
+        )
+        return response
+    except Exception as e:
+        return jsonify({"error": str(e)}), 500
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=5000)

z1/backend/requirements.txt

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+flask
+flask-cors