Initial import from bf-network-r6.opencode — opencode migration

docs/nas-vlan20/nautobot-image/Dockerfile

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+# Nautobot + Golden Config + Nornir, extending the official image in place
+# (not a satellite/side image). Reconstructed 2026-07-22 from the running
+# container's actual `docker image history` after the original build context
+# (referenced in git history as "scratch/nautobot-gc-build") turned out to
+# never have been committed to this repo -- this file replaces that dangling
+# reference as the real, versioned source of truth going forward.
+#
+# Rebuild: docker build -t bf-nautobot-golden-config:<tag> docs/nas-vlan20/nautobot-image/
+# then point docs/nas-vlan20/stacks/210-nautobot.yml's 3 `image:` lines at <tag>
+# and redeploy the Portainer stack (id 203, endpoint 14).
+# Rollback: point those 3 image lines back at ghcr.io/nautobot/nautobot:3.1.7
+# (drops the golden-config/nornir plugins; Nautobot core itself is unmodified).
+FROM ghcr.io/nautobot/nautobot:3.1.7
+
+USER root
+RUN apt-get update && apt-get install -y --no-install-recommends procps && rm -rf /var/lib/apt/lists/*
+RUN pip install --no-cache-dir \
+        nautobot-golden-config \
+        nautobot-plugin-nornir \
+        nornir-netmiko \
+        nornir-napalm \
+        napalm-ros \
+        librouteros \
+        "setuptools<81"
+
+COPY --chown=nautobot:nautobot nautobot_config.py /opt/nautobot/nautobot_config.py
+COPY --chown=nautobot:nautobot allnet_sg8316m_driver.py /opt/nautobot/allnet_sg8316m_driver.py
+
+USER nautobot