fix login and some errors while login

docker/scripts/npm

@@ -1,10 +1,35 @@
 #!/bin/sh
 set -eu
 
-REAL_NPM="/usr/local/bin/npm"
+SELF_DIR=$(CDPATH= cd -- "$(dirname "$0")" && pwd)
+
+if [ -n "${REAL_NPM:-}" ]; then
+  :
+elif [ -x /usr/local/bin/npm ]; then
+  REAL_NPM=/usr/local/bin/npm
+elif [ -x /opt/homebrew/bin/npm ]; then
+  REAL_NPM=/opt/homebrew/bin/npm
+else
+  PATH_WITHOUT_SELF=$(printf '%s' "$PATH" | sed "s#${SELF_DIR}:##; s#:${SELF_DIR}##; s#${SELF_DIR}\$##")
+  REAL_NPM=$(PATH="$PATH_WITHOUT_SELF" command -v npm)
+fi
+
+find_workspace_root() {
+  dir="$PWD"
+
+  while [ "$dir" != "/" ]; do
+    if [ -f "$dir/package.json" ] && grep -q '"workspaces"' "$dir/package.json"; then
+      printf '%s\n' "$dir"
+      return 0
+    fi
+    dir=$(dirname "$dir")
+  done
+
+  printf '%s\n' "$PWD"
+}
 
 if [ "${1-}" = "config" ] && [ "${2-}" = "get" ] && [ "${3-}" = "registry" ]; then
-  exec "$REAL_NPM" --prefix "$PWD" "$@"
+  exec "$REAL_NPM" --prefix "$(find_workspace_root)" config get registry
 fi
 
 exec "$REAL_NPM" "$@"