Add containerfile

Build container image based on UBI-9 minimal with Python 3.11.
Creates a non-root account for running the application.

.gitignore

@@ -1,4 +1,5 @@
 __pycache__
+.coverage
 .install
 .ruff_cache
 /.venv*

Containerfile

@@ -0,0 +1,40 @@
+FROM registry.access.redhat.com/ubi9-minimal:latest
+
+LABEL com.redhat.component=rhel-roadmap-api
+LABEL description="Red Hat Enterprise Linux Roadmap API"
+LABEL distribution-scope=private
+LABEL io.k8s.description="Red Hat Enterprise Linux Roadmap API"
+LABEL io.k8s.display-name="RHEL Roadmap API"
+LABEL io.openshift.tags="rhel,lightspeed,roadmap"
+LABEL name=rhel-roadmap-api
+LABEL release=0.0.1
+LABEL summary="Red Hat Enterprise Linux Roadmap API"
+LABEL url="https://github.com/RedHatInsights/digital-roadmap-backend"
+LABEL vendor="Red Hat, Inc."
+LABEL version=0.0.1
+
+ENV VENV=/opt/venvs/rhel_roadmap
+ENV PYTHON="${VENV}/bin/python"
+ENV PATH="${VENV}/bin:$PATH"
+ENV PYTHON_VERSION="3.11"
+
+COPY LICENSE /licenses/Apache-2.0.txt
+
+RUN microdnf install -y \
+    libpq \
+    "python${PYTHON_VERSION}" \
+    && rm -rf /var/cache/yum/*
+
+COPY "requirements/requirements-${PYTHON_VERSION}.txt" /usr/share/container-setup/requirements.txt
+RUN "python${PYTHON_VERSION}" -m venv "$VENV" \
+    && "$PYTHON" -m pip install --no-cache-dir --upgrade pip setuptools \
+    && "$PYTHON" -m pip install --no-cache-dir --requirement /usr/share/container-setup/requirements.txt
+
+COPY app/ /srv/rhel_roadmap/app/
+
+RUN useradd --system --create-home --home-dir /srv/rhel_roadmap roady
+
+USER roady
+WORKDIR /srv/rhel_roadmap
+
+CMD ["fastapi", "run", "app/main.py", "--proxy-headers", "--port", "80"]