Build docker image on native platform (#28)

* Build docker image on native platform

* Add copy of missing modified files

* Fix native dependencies

* Avoid double copy

* Add missing files

* Add missing configs

Author: mraerino

docker/Dockerfile

@@ -2,16 +2,32 @@
 ARG NETBOX_VERSION
 FROM docker.io/netboxcommunity/netbox:${NETBOX_VERSION} AS base
 
+FROM --platform=$BUILDPLATFORM docker.io/netboxcommunity/netbox:${NETBOX_VERSION} AS build
+
 # Patch NGINX Unit config
 RUN apt-get update || true && apt-get install -yq jq
 RUN jq -r '.settings.http.max_body_size = 52428800' /etc/unit/nginx-unit.json \
   > /etc/unit/nginx-unit-edit.json && \
   mv /etc/unit/nginx-unit-edit.json /etc/unit/nginx-unit.json
 
+# Install packages for collectstatic
 COPY plugin_requirements.txt extra_requirements.txt /opt/netbox/
 RUN /usr/local/bin/uv pip install \
   -r /opt/netbox/plugin_requirements.txt \
   -r /opt/netbox/extra_requirements.txt
 
 COPY plugins.py extra.py /etc/netbox/config/
 RUN SECRET_KEY="dummydummydummydummydummydummydummydummydummydummy" /opt/netbox/venv/bin/python /opt/netbox/netbox/manage.py collectstatic --no-input
+
+FROM docker.io/netboxcommunity/netbox:${NETBOX_VERSION} AS prod
+
+# Copy modified files
+COPY --from=build /etc/unit /etc/unit
+COPY --from=build /opt/netbox/netbox/static /opt/netbox/netbox/static
+
+# Install plugins and config for prod
+COPY plugins.py extra.py /etc/netbox/config/
+COPY plugin_requirements.txt extra_requirements.txt /opt/netbox/
+RUN /usr/local/bin/uv pip install \
+  -r /opt/netbox/plugin_requirements.txt \
+  -r /opt/netbox/extra_requirements.txt