diff --git a/.dockerignore b/.dockerignore
index 3fcb823..5630ca2 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,3 +1,3 @@
 __pycache__/
 venv/
-docker-secret/
\ No newline at end of file
+docker-secret/
diff --git a/.gitignore b/.gitignore
index 3fcb823..5630ca2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
 __pycache__/
 venv/
-docker-secret/
\ No newline at end of file
+docker-secret/
diff --git a/Dockerfile b/Dockerfile
index 013d080..8cb4add 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,9 +3,8 @@ FROM python:3.8-slim-buster
 WORKDIR /app
 
 COPY requirements.txt requirements.txt
-
 RUN pip3 install -r requirements.txt
 
 COPY . .
 
-CMD ["python3", "-m", "flask", "run", "--host=0.0.0.0"]
+CMD ["python3", "app.py"]
diff --git a/app.py b/app.py
index 3e2a332..e69c7da 100644
--- a/app.py
+++ b/app.py
@@ -6,3 +6,5 @@ app = Flask(__name__)
 def index():
     return "Hello world!!"
 
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=5000)