fix:port

Dockerfile

@@ -21,7 +21,7 @@ RUN npm run build
 # Production image, copy all the files and run next
 FROM base AS runner
 WORKDIR /app
-ENV NODE_ENV production
+ENV NODE_ENV=production
 RUN addgroup --system --gid 1001 nodejs
 RUN adduser --system --uid 1001 nextjs
 
@@ -31,5 +31,5 @@ COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 
 USER nextjs
 EXPOSE 3000
-ENV PORT 3000
+ENV PORT=3000
 CMD ["node", "server.js"]

docker-compose.yml

@@ -8,10 +8,11 @@ services:
       dockerfile: Dockerfile
       args:
         # REPLACE THIS with your actual backend URL (e.g., https://api.yourdomain.com)
-        # Since this is a client-side var, it cannot be "localhost" if accessed from outside the server.
-        NEXT_PUBLIC_API_URL: 0.0.0.0:8765
+        # 0.0.0.0 does NOT work for browsers. Use 127.0.0.1 for local, or public IP for server.
+        NEXT_PUBLIC_API_URL: http://127.0.0.1:8765
     restart: always
     ports:
-      - "3000:3000"
+      # Maps host port 3001 to container port 3000 to avoid conflict
+      - "3001:3000"
     environment:
       - NODE_ENV=production