diff --git a/Asistencias_Procesadas.xlsx b/Asistencias_Procesadas.xlsx
new file mode 100644
index 0000000..3398c34
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diff --git a/Auditorio1_21_10_2025_11am (1).xlsx b/Auditorio1_21_10_2025_11am (1).xlsx
new file mode 100644
index 0000000..5ddf080
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diff --git a/Book 7 (1).xlsx b/Book 7 (1).xlsx
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index 0000000..deefaa2
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diff --git a/Registros_Asistencia (1).xlsx b/Registros_Asistencia (1).xlsx
new file mode 100644
index 0000000..cb671c7
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diff --git a/backend/Asistencias_Procesadas.xlsx b/backend/Asistencias_Procesadas.xlsx
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index 0000000..3398c34
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diff --git a/backend/Book7.xlsx b/backend/Book7.xlsx
new file mode 100644
index 0000000..deefaa2
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diff --git a/backend/Registros_Asistencia.xlsx b/backend/Registros_Asistencia.xlsx
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index 0000000..cb671c7
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diff --git a/backend/attendanceStats.xlsx b/backend/attendanceStats.xlsx
new file mode 100644
index 0000000..6414193
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diff --git a/backend/auditorio1_21.xlsx b/backend/auditorio1_21.xlsx
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diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index 63c1d7b..3355730 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -26,7 +26,6 @@ services:
       dockerfile: docker/Dockerfile.backend.dev
     command: >
       sh -c "python manage.py migrate &&
-             python init_db.py &&
              python manage.py collectstatic --noinput &&
              python manage.py runserver 0.0.0.0:8000"
     volumes:
@@ -40,8 +39,8 @@ services:
     depends_on:
       db:
         condition: service_healthy
-    expose:
-      - "8000"
+    ports:
+      - "8000:8000"  # Exponer puerto 8000 al host
     stdin_open: true  # Para ipdb y debugging interactivo
     tty: true
 
diff --git a/docker/Dockerfile.backend.dev b/docker/Dockerfile.backend.dev
index e6bba27..ff87e63 100644
--- a/docker/Dockerfile.backend.dev
+++ b/docker/Dockerfile.backend.dev
@@ -1,5 +1,5 @@
 # Dockerfile para Backend Django - Entorno de Desarrollo
-FROM python:3.11-slim
+FROM python:3.11-slim-bookworm
 
 # Variables de entorno para Python
 ENV PYTHONUNBUFFERED=1 \