refactor(docker): simplify to single compose + dynamic build default

docker/entrypoint-build-and-serve.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+set -eu
+
+echo "[menav] starting dynamic build mode"
+
+if [ "${MENAV_IMPORT_BOOKMARKS:-false}" = "true" ]; then
+  echo "[menav] importing bookmarks before build"
+  MENAV_BOOKMARKS_DETERMINISTIC=1 npm run import-bookmarks
+fi
+
+if [ "${MENAV_ENABLE_SYNC:-false}" = "true" ]; then
+  echo "[menav] building with sync enabled"
+  npm run build
+else
+  echo "[menav] building with sync disabled"
+  PROJECTS_ENABLED=false HEATMAP_ENABLED=false RSS_ENABLED=false npm run build
+fi
+
+echo "[menav] syncing dist to nginx web root"
+mkdir -p /usr/share/nginx/html
+rm -rf /usr/share/nginx/html/*
+cp -a /app/dist/. /usr/share/nginx/html/
+
+echo "[menav] serving dist with nginx"
+exec nginx -g 'daemon off;'