diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 6388802..184c131 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,6 +1,6 @@
 {
   "name": "Ubuntu DevContainer",
-  "image": "ubuntu:24.04-minimal",
+  "image": "ubuntu:24.04",
 
   "customizations": {
     "jetbrains": {
diff --git a/deployment/Dockerfile b/deployment/Dockerfile
index 7ca0667..ea347a7 100644
--- a/deployment/Dockerfile
+++ b/deployment/Dockerfile
@@ -1,6 +1,8 @@
 FROM eclipse-temurin:21-jdk-alpine
 VOLUME /tmp
 COPY applications/app-service/build/libs/OpenArc.jar OpenArc.jar
+# Crear usuario appuser sin privilegios
+RUN adduser -D -u 1001 appuser
 USER appuser
 ENTRYPOINT [ "sh", "-c", "java $JAVA_OPTS -Dserver.port=${PORT:-8080} -jar OpenArc.jar" ]
 EXPOSE 8080
\ No newline at end of file
diff --git a/docs/RUNNING.md b/docs/RUNNING.md
index 371fba1..37c9a5d 100644
--- a/docs/RUNNING.md
+++ b/docs/RUNNING.md
@@ -6,7 +6,7 @@ Asegúrate de estar en el devcontainer y que Docker esté disponible (Docker-in-
 
 ```bash
 cd /workspaces/open-arc
-docker build -t openarc-app deployment/
+docker build -t openarc-app -f deployment/Dockerfile .
 docker run -p 8080:8080 openarc-app
 ```