Dockerized and fixed errors

Dockerfile

@@ -0,0 +1,12 @@
+FROM python:3.10-buster
+
+
+RUN mkdir -p /app
+COPY requirements.txt /app/
+RUN python3 -m pip install --upgrade pip && python3 -m pip install -r /app/requirements.txt
+
+COPY app/ /app/
+WORKDIR /app/
+ENV containterized true
+
+CMD ["python3", "server.py"]