build size reduse it

scripts/bundle.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+#
+# Produce the deployable artifact for a non-Docker deploy.
+#
+# Copying .next/ wholesale is what filled the production disk: a working tree's
+# .next/ reaches 2+ GB, but only three paths are read at runtime —
+#   .next/standalone   the server + its traced node_modules
+#   .next/static       hashed client assets (served by nginx at /_next/static/)
+#   public             unhashed public assets
+# Everything else (.next/cache, .next/dev, .next/server, .next/types) is
+# build-host state and must never be shipped.
+#
+# Usage: npm run bundle   ->   dist/loyaly-mer-login.tar.gz
+
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT"
+
+OUT="dist"
+STAGE="$OUT/bundle"
+
+for p in .next/standalone .next/static public; do
+  if [ ! -d "$p" ]; then
+    echo "error: $p missing — run 'npm run build' first" >&2
+    exit 1
+  fi
+done
+
+rm -rf "$STAGE"
+mkdir -p "$STAGE"
+
+# standalone already contains server.js, package.json and traced node_modules,
+# and expects static/ and public/ to sit beside it in the same layout.
+cp -R .next/standalone/. "$STAGE/"
+mkdir -p "$STAGE/.next"
+cp -R .next/static "$STAGE/.next/static"
+cp -R public "$STAGE/public"
+
+TARBALL="$OUT/loyaly-mer-login.tar.gz"
+rm -f "$TARBALL"
+tar -czf "$TARBALL" -C "$STAGE" .
+
+echo
+echo "bundle:  $(du -sh "$STAGE" | cut -f1)  ($STAGE)"
+echo "tarball: $(du -sh "$TARBALL" | cut -f1)  ($TARBALL)"
+echo
+echo "deploy:  scp $TARBALL <host>:/srv/ && tar -xzf loyaly-mer-login.tar.gz -C /srv/app"
+echo "run:     PORT=3000 HOSTNAME=0.0.0.0 NODE_ENV=production node server.js"