fix(docker): imagem final sem privilégios (nginx-unprivileged, porta 8080)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

docker-compose.yml

@@ -2,10 +2,10 @@ services:
   pss:
     build: .
     ports:
-      - "${PORT:-3000}:80"
+      - "${PORT:-3000}:8080"
     restart: unless-stopped
     healthcheck:
-      test: ["CMD-SHELL", "wget -q --spider http://127.0.0.1:80/ || exit 1"]
+      test: ["CMD-SHELL", "wget -q --spider http://127.0.0.1:8080/ || exit 1"]
       interval: 30s
       timeout: 10s
       retries: 3