Add container build for deployment

Standalone Next output, migration script run on start, storage volume
at /app/storage, port 4700. Database connection is created lazily so
the image builds without a database.

next.config.ts

@@ -2,6 +2,11 @@ import type { NextConfig } from 'next'
 import createNextIntlPlugin from 'next-intl/plugin'
 
 const config: NextConfig = {
+	output: 'standalone',
+	outputFileTracingIncludes: {
+		'/api/v1/style-guide': ['./docs/style-guide.md'],
+		'/': ['./node_modules/drizzle-orm/**'],
+	},
 	typedRoutes: true,
 	experimental: {
 		useTypeScriptCli: true,