modernizing the dependencies

Dockerfile

@@ -1,12 +1,7 @@
-FROM python:3.8.12-slim-buster
+FROM python:3.15-slim-trixie
 
-RUN apt-get -y update && apt-get -y upgrade && \
-    apt-get install --no-install-recommends -y wait-for-it lsb-release wget gnupg2 gcc libpq-dev libc-dev
-
-# install psql 13 (11 is the default with debian)
-RUN wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
-RUN echo "deb http://apt.postgresql.org/pub/repos/apt/ `lsb_release -cs`-pgdg main" | tee  /etc/apt/sources.list.d/pgdg.list
-RUN apt-get update && apt-get --no-install-recommends -y install postgresql-client-13 && apt-get clean all
+RUN apt -y update && apt -y upgrade && \
+    apt install --no-install-recommends -y wait-for-it lsb-release wget gnupg2 gcc libpq-dev libc-dev vim postgresql-client && apt clean all
 
 WORKDIR /app
 
@@ -15,7 +10,7 @@ RUN pip install -U -r requirements.txt
 
 RUN mkdir log
 
-ENV PYTHONPATH /app/
+ENV PYTHONPATH=/app/
 ENV FLASK_APP=max.app
 ENV FLASK_ENV=production