Updated with server url

src/client/Dockerfile

@@ -9,6 +9,9 @@ RUN yarn install --frozen-lockfile
 # Rebuild the source code only when needed
 FROM node:14-alpine AS builder
 WORKDIR /app
+
+ARG NEXT_PUBLIC_SERVER_URL="http://localhost:5000"
+
 COPY . .
 COPY --from=deps /app/node_modules ./node_modules
 RUN yarn build