fix(docker-usage): single image setup

docker/etc/s6-overlay/services/backend/finish

@@ -0,0 +1,3 @@
+#!/usr/bin/with-contenv bash
+s6-svc -d /var/run/s6/services/frontend
+s6-svc -d /var/run/s6/services/nginx

docker/etc/s6-overlay/services/backend/run

@@ -0,0 +1,8 @@
+#!/usr/bin/with-contenv bash
+cd /app/backend
+
+# Run database migrations before starting the app
+yarn db:push
+
+# Start the application
+exec node dist/app.js

docker/etc/s6-overlay/services/frontend/finish

@@ -0,0 +1,2 @@
+#!/usr/bin/with-contenv bash
+s6-svc -d /var/run/s6/services/nginx

docker/etc/s6-overlay/services/frontend/run

@@ -0,0 +1,3 @@
+#!/usr/bin/with-contenv bash
+cd /app/frontend
+exec node_modules/.bin/next start

docker/etc/s6-overlay/services/nginx/run

@@ -0,0 +1,2 @@
+#!/usr/bin/with-contenv bash
+exec nginx -g "daemon off;"