diff --git a/README.md b/README.md
index 794f174..5e4c887 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,14 @@
-# Oh My URL!
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+# Run for development
+
+## Rename and fill environment files
+
+- Rename the following files:
+    - `/app/config/.env.example` to `/app/config/.env`
+    - `/config/postgresql/.env.example` to `/config/postgresql/.env`
+
+## Run with PostgreSQL
+
+- Run the following command to start the application with PostgreSQL:
+    ```bash
+    docker compose -f docker-compose-postgres.yml up
+    ```
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