trying without libssl and only libffi

Dockerfile

@@ -1,8 +1,7 @@
 FROM python:3.8-slim
 COPY requirements.txt /tmp/requirements.txt
-RUN apt-get update && apt-get install -y libffi-dev libssl-dev gcc libc-dev libxslt-dev zlib1g-dev g++ --no-install-recommends && rm -rf /var/lib/apt/lists/* /var/cache/apt/*
-
-RUN pip3 install --no-cache-dir -r /tmp/requirements.txt
+RUN apt-get update && apt-get install -y curl libffi-dev gcc libc-dev libxslt-dev zlib1g-dev g++ --no-install-recommends && rm -rf /var/lib/apt/lists/* /var/cache/apt/*
+RUN pip3 install --upgrade pip && pip3 install --no-cache-dir -r /tmp/requirements.txt
 
 
 RUN [ ! -d "/app" ] && mkdir /app