Add startup script support

Dockerfile

@@ -22,6 +22,9 @@ RUN crontab /etc/cron.d/certbot
 COPY ./scripts/ /scripts
 RUN chmod +x /scripts/*.sh
 
+# Add /scripts/startup directory to source more startup scripts
+RUN mkdir -p /scripts/startup
+
 # Copy in default nginx configuration (which just forwards ACME requests to
 # certbot, or redirects to HTTPS, but has no HTTPS configurations by default).
 RUN rm -f /etc/nginx/conf.d/*

scripts/entrypoint.sh

@@ -17,6 +17,12 @@ export NGINX_PID=$!
 # Next, run certbot to request all the ssl certs we can find
 /scripts/run_certbot.sh
 
+# Lastly, run startup scripts
+for f in /scripts/startup/*.sh; do
+    echo "Running startup script $f"
+    $f
+done
+
 # Run `cron -f &` so that it's a background job owned by bash and then `wait`.
 # This allows SIGINT (e.g. CTRL-C) to kill cron gracefully, due to our `trap`.
 cron -f &