Add wildcard to copy command in Dockerfile for copying both package*.json

client/Dockerfile

@@ -5,7 +5,7 @@ FROM node:lts-alpine
 WORKDIR /client
 
 # install dependencies
-COPY package.json ./
+COPY package*.json ./
 RUN npm install
 
 # copy source

server/Dockerfile

@@ -5,7 +5,7 @@ FROM node:lts-alpine
 WORKDIR /server
 
 # install dependencies
-COPY package.json ./
+COPY package*.json ./
 RUN npm install
 
 # copy source