remove submodule

src/app.py

@@ -6,7 +6,7 @@ app = Flask(__name__)
 @app.route('/')
 def doRequest():
     data = {
-        "serverName": "serverB",
+        "serverName": "backend-server",
         "version": "master",
         "success": "true"
     }
@@ -14,4 +14,4 @@ def doRequest():
 
 
 if __name__ == '__main__':
-    app.run(debug=True, host="0.0.0.0", port=6000)
+    app.run(debug=True, host="0.0.0.0", port=80)

src/dockerfile

@@ -4,7 +4,7 @@ copy . /app
 workdir /app
 
 run pip install -r requirements.txt
-expose 6000
+expose 80
 entrypoint [ "python" ]
 
 cmd [ "app.py" ]