diff --git a/app.py b/app.py
index 03c2d95..a0813ce 100644
--- a/app.py
+++ b/app.py
@@ -1,7 +1,64 @@
-def app(environ, start_response):
-    data = b"Hello, World!\n"
-    start_response("200 OK", [
-        ("Content-Type", "text/plain"),
-        ("Content-Length", str(len(data)))
-    ])
-    return iter([data])
+from flask import Flask
+from flask import request
+from firebase_admin import credentials
+from firebase_admin import auth
+from firebase_admin import firestore
+import firebase_admin
+from pathlib import Path
+
+app = Flask(__name__)
+
+@app.route('/')
+def hello_world():
+    return 'Hello, World!'
+
+
+THIS_FOLDER = Path(__file__).parent.resolve()
+my_file = THIS_FOLDER/"/service.json"
+app = Flask(__name__)
+
+
+cred =credentials.Certificate('service.json')
+firebase_admin.initialize_app(cred)
+
+db = firestore.client()
+
+@app.route("/custom",methods=["POST"])
+def customToken():
+    m_no=request.form['M_No']
+    password=request.form['Password']
+    doc_ref = db.collection("phone_pass").document(m_no)
+    doc = doc_ref.get()
+    if doc.exists:
+        passs =  doc_ref.get(field_paths={'password'}).to_dict().get('password')
+        if(passs==password):
+            user_id = doc_ref.get(field_paths={'uid'}).to_dict().get('uid')
+            custom_token = auth.create_custom_token(user_id)
+            return custom_token
+        else:
+            return "true"
+    else:
+        return "false"
+
+
+@app.route("/forget",methods=["POST"])
+def forgot():
+    m_no=request.form['M_No']
+    doc_ref = db.collection("phone_pass").document(m_no)
+    doc = doc_ref.get()
+    if doc.exists:
+        user_id = doc_ref.get(field_paths={'uid'}).to_dict().get('uid')
+        custom_token = auth.create_custom_token(user_id)
+        return custom_token
+    else:
+        return "false"
+
+@app.route("/register",methods=["POST"])
+def register():
+    m_no=request.form['M_No']
+    doc_ref = db.collection("phone_pass").document(m_no)
+    doc = doc_ref.get()
+    if doc.exists:
+        return "true"
+    else:
+        return "false"