Añadir compose para producción con Traefik/Portainer

- docker-compose.portainer.yml: Nginx alpine con labels Traefik,
  volúmenes en /var/volumes/web_jailgames/, red web externa
- README: flujo de despliegue online (rsync + Portainer),
  alternativa Apache VirtualHost

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docker-compose.portainer.yml

@@ -0,0 +1,51 @@
+services:
+  jailgames:
+    container_name: jailgames
+    hostname: jailgames
+    image: nginx:alpine
+
+    volumes:
+      - jailgames-html:/usr/share/nginx/html:ro
+      - jailgames-nginx:/etc/nginx/conf.d:ro
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro
+
+    networks:
+      - web
+
+    labels:
+      - traefik.enable=true
+      - traefik.docker.network=web
+      - traefik.http.routers.jailgames.rule=Host(`jailgames.sustancia.synology.me`)
+      - traefik.http.routers.jailgames.tls=true
+      - traefik.http.routers.jailgames.tls.certresolver=letsencrypt
+      - traefik.http.services.jailgames.loadbalancer.server.scheme=http
+      - traefik.http.services.jailgames.loadbalancer.server.port=80
+
+    healthcheck:
+      test: ["CMD", "wget", "-qO-", "http://localhost/"]
+      interval: 30s
+      timeout: 5s
+      retries: 3
+      start_period: 10s
+
+    restart: unless-stopped
+
+volumes:
+  jailgames-html:
+    driver: local
+    driver_opts:
+      o: bind
+      type: none
+      device: /var/volumes/web_jailgames/html
+
+  jailgames-nginx:
+    driver: local
+    driver_opts:
+      o: bind
+      type: none
+      device: /var/volumes/web_jailgames/nginx
+
+networks:
+  web:
+    external: true