Add helper entrypoint scripts

This keeps the configuration for what to run inside the container, without adding the extra weight and config of s6

Dockerfile

@@ -51,7 +51,7 @@ COPY --chown=website ./website ./website
 
 RUN SECRET_KEY=none python manage.py collectstatic --noinput --clear
 
-CMD python manage.py migrate --noinput && gunicorn -c etc/gunicorn.conf.py
+CMD ["/app/etc/entrypoints/web"]
 
 # Just dev stuff
 FROM production as dev

etc/entrypoints/cron

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -e
+
+exec supercronic etc/crontab

etc/entrypoints/nginx

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -e
+
+exec nginx -g "daemon off;"

etc/entrypoints/web

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -e
+
+python manage.py migrate --noinput
+
+exec gunicorn -c etc/gunicorn.conf.py

etc/entrypoints/worker

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -e
+
+exec python manage.py rqworker --with-scheduler