diff --git a/Makefile b/Makefile
index 09bcf5a..669b781 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ install_dev:
 	make requirements
 
 run_dev:
-	pipenv run python dev.py
+	git ls-files | entr -r	pipenv run python dev.py
 
 tdd:
 	# nomerge git ls-files | entr pipenv run pytest --lf --nf
diff --git a/Pipfile b/Pipfile
index bbcf66c..a630cd6 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,6 +4,8 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
+fastapi = "*"
+uvicorn = "*"
 
 [dev-packages]
 pytest = "*"
diff --git a/dev.py b/dev.py
index 894eaff..0ce2447 100644
--- a/dev.py
+++ b/dev.py
@@ -1,2 +1,13 @@
+from fastapi import FastAPI
+import uvicorn
+
+app = FastAPI()
+
+
+@app.get("/")
+async def root():
+    return {"message": "Hello World"}
+
+
 if __name__ == "__main__":
-    print("dev.py file ok")
+    uvicorn.run(app, host="127.0.0.1", port=5000)