docs: add .env.example template for configuration

.env.example

@@ -1,13 +1,25 @@
+# ===========================================
+# Archivo de ejemplo de configuración
+# Copia este archivo a .env y modifica los valores
+# ===========================================
+
 # Configuración de red local
 # Cambia esta IP a la IP de tu PC en la red local
-HOST_IP=192.168.1.131
+HOST_IP=192.168.1.XXX
 
 # URLs para desarrollo local
-NEXT_PUBLIC_API_URL=http://192.168.1.131:4000
+NEXT_PUBLIC_API_URL=http://192.168.1.XXX:4000
-CORS_ORIGIN=http://192.168.1.131:3000
+CORS_ORIGIN=http://192.168.1.XXX:3000
+
+# URLs para producción (descomentar y ajustar)
+# NEXT_PUBLIC_API_URL=https://api.tudominio.com
+# CORS_ORIGIN=https://tudominio.com
 
 # Configuración de base de datos
 DATABASE_URL=postgresql://postgres:password@db:5432/resistencia
 POSTGRES_USER=postgres
-POSTGRES_PASSWORD=password
+POSTGRES_PASSWORD=cambia_esta_contraseña
 POSTGRES_DB=resistencia
+
+# Contraseña del dashboard de administración
+NEXT_PUBLIC_ADMIN_PASSWORD=cambia_esta_contraseña

client/Dockerfile

@@ -1,7 +1,12 @@
 FROM node:20-alpine
 
-# Build argument for API URL
+# Build arguments
 ARG NEXT_PUBLIC_API_URL=http://localhost:4000
+ARG NEXT_PUBLIC_ADMIN_PASSWORD=admin123
+
+# Make args available as env vars during build
+ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL
+ENV NEXT_PUBLIC_ADMIN_PASSWORD=$NEXT_PUBLIC_ADMIN_PASSWORD
 
 # Create app directory
 WORKDIR /app

client/src/app/dashboard/page.tsx

@@ -5,7 +5,7 @@ import { motion, AnimatePresence } from 'framer-motion';
 import { useSocket } from '../../hooks/useSocket';
 import { Shield, Users, Gamepad2, LogOut, Clock, History, UserMinus, Key, ChevronDown } from 'lucide-react';
 
-const ADMIN_PASSWORD = "admin123";
+const ADMIN_PASSWORD = process.env.NEXT_PUBLIC_ADMIN_PASSWORD || "admin123";
 
 export default function Dashboard() {
     const { socket, isConnected } = useSocket();

docker-compose_prod.yml

@@ -7,6 +7,7 @@ services:
       dockerfile: client/Dockerfile
       args:
         - NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL:-https://api.franciaocupada.martivich.es}
+        - NEXT_PUBLIC_ADMIN_PASSWORD=${NEXT_PUBLIC_ADMIN_PASSWORD:-admin123}
     ports:
       - "3000:3000"
     volumes:
@@ -15,6 +16,7 @@ services:
       - /app/client/node_modules
     environment:
       - NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL:-https://api.franciaocupada.martivich.es}
+      - NEXT_PUBLIC_ADMIN_PASSWORD=${NEXT_PUBLIC_ADMIN_PASSWORD:-admin123}
     depends_on:
       - server
     networks: