diff --git a/README.md b/README.md
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+++ b/README.md
@@ -0,0 +1,15 @@
+## Requirements
+
+To run this project, you need the following:
+
+- [Bun](https://bun.sh/)
+- [uv](https://github.com/astral-sh/uv)
+
+Please make sure each tool is installed.
+
+## How to run
+
+./example-oauth2-server/
+
+`uv run flask run --port 3020`
+
diff --git a/example-oauth2-server/.gitignore b/example-oauth2-server/.gitignore
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--- a/example-oauth2-server/.gitignore
+++ b/example-oauth2-server/.gitignore
@@ -1,3 +1,3 @@
-*.sqlite
+#*.sqlite
 *.pyc
 venv/*
diff --git a/example-oauth2-server/instance/db.sqlite b/example-oauth2-server/instance/db.sqlite
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Binary files /dev/null and b/example-oauth2-server/instance/db.sqlite differ