diff --git a/app.py b/app.py
index c0d0534..99ed3fa 100644
--- a/app.py
+++ b/app.py
@@ -22,6 +22,34 @@
 except Exception as e:
     print("MongoDB connection error:", e)
 
+@app.route("/")
+def home():
+    return render_template('mainScreen.html')
+
+@app.route("/<username>/decks")
+def allDecks(username):
+    # would need to first find user in db, but not set up yet
+    # would redirect to template for Decks
+    return f'{username} decks'
+
+@app.route("/<username>/create", methods=["POST"])
+def createDeck(username):
+    # would need to first find user in db, but not set up yet
+    title = request.form["title"]
+    newDeck = {"title": title, "cards": []}
+    db.decks.insert_one(newDeck)
+    # would rendirect to template for Cards
+    return "created deck"
+
+@app.route("/<username>/<deckTitle>/add", methods=["POST"])
+def addCard(username, deckTitle):
+    # would need to first find user in db, but not set up yet
+    deck = db.decks.find_one({"title": deckTitle})
+    newCard = request.form["question"]
+    deck["cards"].append(newCard)
+    db.decks.update_one({"title": deckTitle}, {"$set": deck})
+    # would redirect to template for Cards
+    return "added card"
 
 # run the app
 if __name__ == "__main__":