diff --git a/Dockerfile b/Dockerfile
index 0046f5c..90be8d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,10 +2,10 @@ FROM python:3.8
 
 WORKDIR /janet_backend 
 
-COPY requirements.txt .
+COPY requirements_simple.txt .
 
-RUN pip install -r requirements.txt
+RUN pip install -r requirements_simple.txt
 
 COPY . .
 
-ENTRYPOINT ["python", "main.py"]
+ENTRYPOINT ["python", "main_simple.py"]
diff --git a/main_simple.py b/main_simple.py
index 69ccfc6..3db4564 100644
--- a/main_simple.py
+++ b/main_simple.py
@@ -24,4 +24,4 @@ def feedback():
     return reply
 
 if __name__ == "__main__":
-    app.run(host='0.0.0.0', port=4000)
+    app.run(host='0.0.0.0')
diff --git a/requirements_simple.txt b/requirements_simple.txt
new file mode 100644
index 0000000..cf7a8a9
--- /dev/null
+++ b/requirements_simple.txt
@@ -0,0 +1,8 @@
+pandas==1.3.5
+Flask==1.1.4
+flask-cors==3.0.10
+markupsafe==2.0.1
+Werkzeug==1.0.1
+
+
+