diff --git a/.env b/.env
new file mode 100644
index 0000000..df47ae7
--- /dev/null
+++ b/.env
@@ -0,0 +1,11 @@
+PORT=3000
+
+NODE_ENV=development
+
+SESSION_SECRET=MijnSuperGeheimeSleutel123!
+
+DATABASE=database.sqlite
+
+OPENAI_API_KEY=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
+
+OPENAI_MODEL=gpt-5.4-mini
\ No newline at end of file