fix(Dockerfile): Cleanup for dockerfile

Dockerfile

 FROM python:3.10-slim
 
 RUN apt-get update
-RUN apt-get install -y libpq-dev python-dev gcc
+RUN apt-get install -y gcc
 
 ## make a local directory
 RUN mkdir /app
@@ -12,9 +12,6 @@ WORKDIR /app
 # copy requirements.txt to /app
 ADD requirements.txt .
 
-# required to be able to install old MarkupSafe==1.0.0 version
-RUN pip install --upgrade pip setuptools==45.2.0
-
 # pip install the local requirements.txt
 RUN pip install -r requirements.txt