remove package lock

frontend/Dockerfile

@@ -4,8 +4,8 @@ FROM node:16
 
 WORKDIR /app
 
-# Copy package files first to install dependencies
-COPY package.json package-lock.json ./
+# Copy package.json file first to install dependencies (omit package-lock.json if it doesn’t exist)
+COPY package.json ./
 RUN npm install
 
 # Install Expo CLI globally