Simplify app by removing database functionality

Removed database connection and CRUD operations. Added a simple hello route.

Author: Pedro777-dev

app.py

@@ -1,65 +1,14 @@
-from flask import Flask, request, jsonify
-import mysql.connector
+from flask import Flask
+import os
 
 app = Flask(__name__)
 
-def get_db():
-    return mysql.connector.connect(
-        host="localhost",
-        user="f832139",
-        password="password",
-        database="sampledb"
-    )
+@app.route('/')
+def hello():
+    return "Hello World!"
 
-# INSERT
-@app.route("/insert", methods=["POST"])
-def insert_row():
-    data = request.json
-    name = data.get("name")
-    role = data.get("role")
+if __name__ == '__main__':
+    port = os.environ.get('FLASK_PORT') or 8080
+    port = int(port)
 
-    conn = get_db()
-    cursor = conn.cursor()
-    cursor.execute("INSERT INTO employees (name, role) VALUES (%s, %s)", (name, role))
-    conn.commit()
-
-    return jsonify({"message": "Row inserted", "id": cursor.lastrowid})
-
-# UPDATE
-@app.route("/update/<int:emp_id>", methods=["PUT"])
-def update_row(emp_id):
-    data = request.json
-    name = data.get("name")
-    role = data.get("role")
-
-    conn = get_db()
-    cursor = conn.cursor()
-    cursor.execute(
-        "UPDATE employees SET name=%s, role=%s WHERE id=%s",
-        (name, role, emp_id)
-    )
-    conn.commit()
-
-    return jsonify({"message": "Row updated"})
-
-# DELETE
-@app.route("/delete/<int:emp_id>", methods=["DELETE"])
-def delete_row(emp_id):
-    conn = get_db()
-    cursor = conn.cursor()
-    cursor.execute("DELETE FROM employees WHERE id=%s", (emp_id,))
-    conn.commit()
-
-    return jsonify({"message": "Row deleted"})
-
-# OPTIONAL: fetch all rows
-@app.route("/employees", methods=["GET"])
-def get_all():
-    conn = get_db()
-    cursor = conn.cursor(dictionary=True)
-    cursor.execute("SELECT * FROM employees")
-    rows = cursor.fetchall()
-    return jsonify(rows)
-
-if __name__ == "__main__":
-    app.run(debug=True)
+    app.run(port=port,host='0.0.0.0')