Added container for Netbox housekeeping command

Adds an additional container in which the new "housekeeping" command from
Netbox v3.0.0 is run.

Dockerfile

@@ -62,11 +62,12 @@ RUN apk add --no-cache \
       libevent \
       libffi \
       libjpeg-turbo \
-      openssl \
       libxslt \
+      openssl \
       postgresql-libs \
-      python3 \
       py3-pip \
+      python3 \
+      tini \
       unit \
       unit-python3
 
@@ -82,6 +83,7 @@ COPY ${NETBOX_PATH} /opt/netbox
 
 COPY docker/configuration.docker.py /opt/netbox/netbox/netbox/configuration.py
 COPY docker/docker-entrypoint.sh /opt/netbox/docker-entrypoint.sh
+COPY docker/housekeeping.sh /opt/netbox/housekeeping.sh
 COPY docker/launch-netbox.sh /opt/netbox/launch-netbox.sh
 COPY startup_scripts/ /opt/netbox/startup_scripts/
 COPY initializers/ /opt/netbox/initializers/

docker-compose.yml

@@ -20,11 +20,24 @@ services:
     <<: *netbox
     depends_on:
     - redis
+    - postgres
     entrypoint:
+    - "/sbin/tini"
+    - "--"
+    command:
     - /opt/netbox/venv/bin/python
     - /opt/netbox/netbox/manage.py
-    command:
     - rqworker
+  netbox-housekeeping:
+    <<: *netbox
+    depends_on:
+    - redis
+    - postgres
+    entrypoint:
+    - "/sbin/tini"
+    - "--"
+    command:
+    - /opt/netbox/housekeeping.sh
 
   # postgres
   postgres:

docker/housekeeping.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+SECONDS=${HOUSEKEEPING_INTERVAL:=86400}
+echo "Interval set to ${SECONDS} seconds"
+while true; do
+  date
+  /opt/netbox/venv/bin/python /opt/netbox/netbox/manage.py housekeeping
+  sleep ${SECONDS}s
+done

env/netbox.env

@@ -14,6 +14,7 @@ EMAIL_USERNAME=netbox
 # EMAIL_USE_SSL and EMAIL_USE_TLS are mutually exclusive, i.e. they can't both be `true`!
 EMAIL_USE_SSL=false
 EMAIL_USE_TLS=false
+HOUSEKEEPING_INTERVAL=86400
 MAX_PAGE_SIZE=1000
 MEDIA_ROOT=/opt/netbox/netbox/media
 METRICS_ENABLED=false