diff --git a/Dockerfile b/Dockerfile
index b12df05..62fdb97 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Multi-stage build: First stage builds Angular frontend
-FROM node:24-alpine AS frontend-build
+FROM node:20.11-alpine3.19 AS frontend-build
 
 # Accept npm registry as build argument
 ARG NPM_REGISTRY=https://registry.npmjs.org/
diff --git a/frontend/.npmrc b/frontend/.npmrc
deleted file mode 100644
index a41f07f..0000000
--- a/frontend/.npmrc
+++ /dev/null
@@ -1,11 +0,0 @@
-# Force exact version installation (no version range resolution)
-save-exact=true
-
-# Always use package-lock.json
-package-lock=true
-
-# Don't automatically update package-lock.json
-package-lock-only=false
-
-# Prevent automatic updates
-save-prefix=''