add forgejo, add jupyter

jupyterhub/Dockerfile

@@ -0,0 +1,28 @@
+FROM python:3.13-slim
+
+# Install system deps
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    nodejs npm \
+    git \
+    sudo \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install JupyterHub, JupyterLab, notebook (required for singleuser), and DockerSpawner
+RUN pip install --no-cache-dir jupyterhub jupyterlab notebook dockerspawner
+
+# Install configurable-http-proxy (required by JupyterHub)
+RUN npm install -g configurable-http-proxy@^4.0.0
+
+# Ensure npm global binaries are available in PATH
+ENV PATH="/usr/local/bin:${PATH}"
+
+# Create directories
+RUN mkdir -p /srv/jupyterhub /srv/jupyterhub/data
+WORKDIR /srv/jupyterhub
+
+COPY jupyterhub_config.py /srv/jupyterhub/
+
+EXPOSE 8001
+
+CMD ["jupyterhub", "-f", "/srv/jupyterhub/jupyterhub_config.py"]