Update code and add more docs

docker-compose.yaml

@@ -1,4 +1,3 @@
-version: "3.8"
 services:
   tokenizer-api:
     build:

vulnerable_app/README.md

@@ -0,0 +1,6 @@
+## How to run
+
+```bash
+pip install -r requirements.txt
+python main.py
+```

vulnerable_app/main.py

@@ -5,8 +5,8 @@
 def create_app():
     app = Flask(__name__)
 
-    @app.route("/test/<string:test_id>")
-    def test(test_id):
+    @app.route("/customer/<string:customer_id>")
+    def customer(customer_id):
         try:
             # Connect to your postgres DB
             conn = psycopg2.connect(
@@ -17,7 +17,7 @@ def test(test_id):
             cur = conn.cursor()
 
             # Execute a query
-            cur.execute(f"SELECT * FROM test WHERE id = {test_id};")
+            cur.execute(f"SELECT * FROM customer WHERE customer_id = {customer_id};")
 
             # Retrieve query results
             records = cur.fetchall()