fix: update port configuration to use 3000 for consistency across Docker and docker-compose

Dockerfile

@@ -20,7 +20,7 @@ FROM node:20-alpine AS runner
 WORKDIR /app
 ENV NODE_ENV=production
 ENV NEXT_TELEMETRY_DISABLED=1
-ENV PORT=3001
+ENV PORT=3000
 
 # Install prod deps only for runtime
 COPY package*.json ./
@@ -31,5 +31,5 @@ COPY --from=builder /app/.next ./.next
 COPY --from=builder /app/public ./public
 COPY --from=builder /app/next.config.* ./
 
-EXPOSE 3001
+EXPOSE 3000
 CMD ["npm", "start"]

docker-compose.yml

@@ -8,7 +8,7 @@ services:
     image: ibank-frontend:latest
     environment:
       - NODE_ENV=production
-      - PORT=3001
+      - NEXT_PUBLIC_API_URL=http://localhost:3000
     ports:
-      - "3001:3001"
+      - "5836:3000"
     restart: unless-stopped

package.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "private": true,
   "scripts": {
-    "dev": "next dev",
+    "dev": "next dev -- -p 5836",
     "build": "next build",
     "start": "next start",
     "generate:db-types": "node scripts/generate-db-types.js",