updated logic of the test-job

• updated the test stage in the app Dockerfile

app/Dockerfile

@@ -5,38 +5,15 @@ ARG NODEJS_VERSION='16.17.0'
 
 FROM node:$NODEJS_VERSION-alpine AS base
 
+ARG \
+    MONGODB_URL_TEST=mongodb://host.docker.internal:27017/todo-app \
+    JWT_SECRET_TEST=<my-very-secret-jwt>
+
 ENV \
     PORT=3000 \
-    # For local dev - mongodb://host.docker.internal:27017/todo-app
-    MONGODB_URL=<should-be-dynamically-set> \
-    JWT_SECRET=<should-be-dynamically-set>
-
-# ------------------------------------------------------------------
-# Test stage
-FROM base AS test
-
-# client tests
-WORKDIR /client
-
-COPY ./client .
-
-RUN npm ci --no-audit --no-fund
+    MONGODB_URL=<dynamically-set-from-k8s> \
+    JWT_SECRET=<dynamically-set-from-k8s>
 
-RUN npm run test
-
-# server tests
-WORKDIR /server
-
-COPY ./server/src ./src/
-
-COPY ./server/package*.json .
-
-RUN npm ci --no-audit --no-fund
-
-# MONGODB_URL and JWT_SECRET are available as env variables
-RUN npm run test
-
-# ------------------------------------------------------------------
 # Build stage
 FROM base AS build
 
@@ -47,7 +24,7 @@ WORKDIR $APP_BUILD_PATH
 
 COPY ./server/src .
 
-COPY ./server/package*.json .
+COPY ./server/package*.json ./
 
 RUN \
     npm ci --prod --no-audit --no-fund \