Vulnerability fixes: Allow newer versions of fastapi and uvicorn (#92)

Dockerfile

@@ -1,5 +1,18 @@
-FROM python:3.9-slim
-ENV DEBIAN_FRONTEND=noninteractive
+FROM registry.access.redhat.com/ubi9/ubi-minimal:9.4-1227.1726694542
+SHELL ["/bin/bash", "-c"]
+USER root
+RUN microdnf install -y \
+  unzip \
+  tar \
+  xz \
+  unzip \
+  git \
+  jq \
+  ca-certificates \
+  python3.11-devel python3.11-pip \
+  && ln -s /usr/bin/python3.11 /usr/bin/python3 \
+  && ln -s /usr/bin/python3 /usr/bin/python \
+  && ln -s /usr/bin/pip3.11 /usr/bin/pip
 RUN python -m pip install -U pip setuptools wheel poetry
 WORKDIR /code
 COPY poetry.lock pyproject.toml /code/