Updated Packages and Python

Dockerfile

 # build stage
-FROM python:3.9-slim as build-env
+FROM python:3.11-slim as build-env
 
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
@@ -34,7 +34,7 @@ RUN --mount=type=cache,target=/app/.cache \
     pip wheel --no-deps --progress-bar off --wheel-dir /app/wheels -r requirements.txt
 
 # base stage
-FROM python:3.9-slim as base
+FROM python:3.11-slim as base
 
 # pip install dir
 ENV PYROOT /app

Pipfile

@@ -4,33 +4,33 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-beautifulsoup4 = "~=4.11.1"  # extract text from html to have training articles
+beautifulsoup4 = "~=4.12.2"  # extract text from html to have training articles
 celery = "~=5.2.7"  # use asynchronous tasks
-coverage = "~=6.4.4"  # generated test coverage report
-Django = "~=4.0.7"  # the server framework
-djangorestframework = "~=3.13.1"  # gives django serializer options and an easy way to create an API
-django-celery-beat = "~=2.3.0"  # schedule periodical tasks with celery for nightly db jobs
-django-cors-headers = "~=3.13.0"  # maybe is not used
+coverage = "~=7.2.6"  # generated test coverage report
+Django = "~=4.2.1"  # the server framework
+djangorestframework = "~=3.14.0"  # gives django serializer options and an easy way to create an API
+django-celery-beat = "~=2.5.0"  # schedule periodical tasks with celery for nightly db jobs
+django-cors-headers = "~=4.0.0"  # maybe is not used
 django-health-check = "~=3.17.0"  # to monitor in django which systems are alive
 django-redis = "~=5.2.0"  # broker for celery
-drf-yasg = "~=1.21.3"  # swagger/Open API auto creator for djangorestframework
+drf-yasg = "~=1.21.5"  # swagger/Open API auto creator for djangorestframework
 flower = "~=1.2.0"  # dashboard to see jobs and results of celery
 mysqlclient = "~=2.1.1"  # database backend for django
-nltk = "~=3.7"  # nlp algorithms for topic labelling
-numpy = "~=1.23.3"  # used for vectors in text extraction and article generation
-opencv-python-headless = "~=4.6.0.66"  # creates bounding boxes to detect columns in articles
-pandas = "~=1.5.0"  # dataframes for prediction and article generation
-pdfplumber = "~=0.7.4"  # reads out the article texts from pdfs
-plotly = "~=5.10.0"  # visualize article generation
-python-dotenv = "~=0.21.0"  # to use .env files for docker-compose configuration
+nltk = "~=3.8.1"  # nlp algorithms for topic labelling
+numpy = "~=1.24.3"  # used for vectors in text extraction and article generation
+opencv-python-headless = "~=4.7.0.72"  # creates bounding boxes to detect columns in articles
+pandas = "~=2.0.1"  # dataframes for prediction and article generation
+pdfplumber = "~=0.9.0"  # reads out the article texts from pdfs
+plotly = "~=5.14.1"  # visualize article generation
+python-dotenv = "~=1.0.0"  # to use .env files for docker-compose configuration
 python-magic = "~=0.4.27"  # libmagic is used in text extraction
-scikit-learn = "~=1.1.2"  # algorithms were used for topic labelling
+scikit-learn = "~=1.2.2"  # algorithms were used for topic labelling
 
 [dev-packages]
-pylint = "~=2.15.3"
+pylint = "~=2.17.4"
 pylint-django = "~=2.5.3"
-flake8 = "~=5.0.4"
-black = "~=22.10.0"
+flake8 = "~=6.0.0"
+black = "~=23.3.0"
 
 [requires]
-python_version = "3.9"
+python_version = "3.11"