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Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+EXPOSE 7860
+
+CMD ["python", "app.py"]

app.py

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+from flask import Flask, render_template, request, jsonify, redirect, url_for, session
+import json
+import os
+from datetime import datetime
+
+app = Flask(__name__)
+app.secret_key = "recom_secret_2024"
+
+DATA_FILE = "students.json"
+ADMIN_PASSWORD = "Sugar220307"
+
+def load_students():
+    if not os.path.exists(DATA_FILE):
+        return []
+    with open(DATA_FILE, "r") as f:
+        return json.load(f)
+
+def save_student(student):
+    students = load_students()
+    student["id"] = len(students) + 1
+    student["registered_at"] = datetime.now().strftime("%d-%m-%Y %H:%M")
+    students.append(student)
+    with open(DATA_FILE, "w") as f:
+        json.dump(students, f, indent=2)
+    return student["id"]
+
+@app.route("/")
+def index():
+    return render_template("index.html")
+
+@app.route("/instructions")
+def instructions():
+    name = request.args.get("name", "")
+    cls = request.args.get("class", "")
+    section = request.args.get("section", "")
+    if not name:
+        return redirect(url_for("index"))
+    return render_template("instructions.html", name=name, cls=cls, section=section)
+
+@app.route("/contact")
+def contact():
+    name = request.args.get("name", "")
+    cls = request.args.get("class", "")
+    section = request.args.get("section", "")
+    if not name:
+        return redirect(url_for("index"))
+    return render_template("contact.html", name=name, cls=cls, section=section)
+
+@app.route("/submit", methods=["POST"])
+def submit():
+    data = request.get_json()
+    student_id = save_student(data)
+    return jsonify({"success": True, "id": student_id})
+
+@app.route("/success")
+def success():
+    return render_template("success.html")
+
+@app.route("/admin", methods=["GET", "POST"])
+def admin():
+    if request.method == "POST":
+        pwd = request.form.get("password", "")
+        if pwd == ADMIN_PASSWORD:
+            session["admin"] = True
+            return redirect(url_for("admin"))
+        else:
+            return render_template("admin_login.html", error="Wrong password. Try again.")
+    if not session.get("admin"):
+        return render_template("admin_login.html", error=None)
+    students = load_students()
+    return render_template("admin_dashboard.html", students=students)
+
+@app.route("/admin/logout")
+def admin_logout():
+    session.pop("admin", None)
+    return redirect(url_for("admin"))
+
+if __name__ == "__main__":
+    import sys
+    if len(sys.argv) > 1 and sys.argv[1] == "list":
+        students = load_students()
+        if not students:
+            print("No students registered yet.")
+        else:
+            print(f"\n{'─'*60}")
+            print(f"  RECOM — Registered Students ({len(students)} total)")
+            print(f"{'─'*60}")
+            for s in students:
+                print(f"\n  #{s['id']}  {s['name']}  |  Class {s['class']} - {s['section']}")
+                print(f"      📞 {s.get('phone','—')}   💬 WhatsApp: {s.get('whatsapp','—')}")
+                print(f"      📍 {s.get('address','—')}")
+                print(f"      🕐 Registered: {s.get('registered_at','—')}")
+            print(f"\n{'─'*60}\n")
+    else:
+        app.run(host="0.0.0.0", port=7860, debug=False)

requirements.txt

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+flask