Fix Werkzeug production error and auto-init SQLite database

Dockerfile

@@ -5,4 +5,5 @@ RUN pip install --no-cache-dir -r requirements.txt
 COPY . .
 EXPOSE 5000
 RUN pip freeze > installed_packages.txt
-CMD ["python", "restapi.py"]
+RUN sed -i 's/socketio.run(app, host="0.0.0.0", port=5000, debug=True)/socketio.run(app, host="0.0.0.0", port=5000, debug=True, allow_unsafe_werkzeug=True)/' /app/restapi.py
+CMD ["python", "/app/restapi.py"]

restapi.py

@@ -3,7 +3,7 @@
 from mlmodel import guess
 import pandas as pd
 import sqlite3
-
+import os
 
 
 from flask_cors import CORS
@@ -14,6 +14,64 @@
 
 received_data = []
 DB_PATH = "sensor_data.db"
+def init_db():
+    """Automatically create the database and tables if they do not exist."""
+    conn = sqlite3.connect(DB_PATH)
+    c = conn.cursor()
+    c.execute("""
+        CREATE TABLE IF NOT EXISTS sensor_data (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            time TEXT,
+            rotation_speed REAL,
+            temperature REAL,
+            level REAL,
+            kurtosis_axial REAL,
+            kurtosis_vertical REAL,
+            kurtosis_horizontal REAL,
+            peak_axial REAL,
+            peak_vertical REAL,
+            peak_horizontal REAL,
+            vibration_acc_axial REAL,
+            vibration_acc_vertical REAL,
+            vibration_acc_horizontal REAL,
+            vibration_vel_axial REAL,
+            vibration_vel_vertical REAL,
+            vibration_vel_horizontal REAL,
+            band_0_8k REAL,
+            band_8_16k REAL,
+            band_16_24k REAL,
+            band_24_32k REAL,
+            band_32_40k REAL,
+            band_40_48k REAL,
+            band_48_56k REAL,
+            band_56_64k REAL,
+            band_64_72k REAL,
+            band_72_80k REAL,
+            band_0_200 REAL,
+            band_200_400 REAL,
+            band_400_600 REAL,
+            band_600_800 REAL,
+            band_800_1000 REAL,
+            band_1_1_2k REAL,
+            band_1_2_1_4k REAL,
+            band_1_4_1_6k REAL,
+            band_1_6_1_8k REAL,
+            band_1_8_2k REAL,
+            fault0 REAL,
+            fault1 REAL,
+            fault2 REAL,
+            fault3 REAL,
+            fault4 REAL,
+            fault5 REAL,
+            fault6 REAL,
+            fault7 REAL
+        )
+    """)
+    conn.commit()
+    conn.close()
+
+# Automatically initialize the database on application startup
+init_db()
 
 
 @app.route('/')
@@ -126,4 +184,4 @@ def generate_csv():
 
 
 if __name__ == "__main__":
-   socketio.run(app, host="0.0.0.0", port=5000, debug=True)
+   socketio.run(app, host="0.0.0.0", port=5000, debug=True)