feat: enable multirelease

- manage almalinux 8 and 9 deployments

release/8/Dockerfile

@@ -0,0 +1,43 @@
+# Start with the AlmaLinux 8.10 base image
+FROM git.query.consul/unkin/almalinux8:latest
+
+# Clean and update the repository cache
+RUN dnf clean all && \
+    dnf makecache
+
+# Install packages
+RUN dnf install -y python3.12 python3.12-pip
+
+# Cleanup
+RUN dnf clean all && \
+    rm -rf /var/cache/dnf
+
+# create venv for jupyter
+RUN python3.12 -m venv /opt/jupyter
+
+# upgrade pip
+RUN /opt/jupyter/bin/python -m pip install --upgrade pip
+
+# install requirements for jupyterhub-singleinstance
+RUN /opt/jupyter/bin/pip install \
+  'jupyterhub==5.2.1' \
+  'notebook==7.2.2'
+
+# install additional python modules
+RUN /opt/jupyter/bin/pip install \
+    numpy \
+    pandas \
+    matplotlib \
+    pyarrow \
+    pyyaml
+
+# create a user, since we don't want to run as root
+RUN useradd -m jupyter
+ENV HOME=/home/jupyter
+RUN mkdir $HOME/work
+RUN chown jupyter:jupyter $HOME/work
+WORKDIR $HOME/work
+USER jupyter
+
+# set the default command
+CMD ["/opt/jupyter/bin/jupyterhub-singleuser"]