diff --git a/Libros/Dockerfile b/Libros/Dockerfile
index f5372dc..0fcdbaf 100644
--- a/Libros/Dockerfile
+++ b/Libros/Dockerfile
@@ -1,8 +1,9 @@
 # syntax=docker/dockerfile:1
+##################
+# BUILDER        #
+##################
 
-FROM python:3.11.4-slim-buster
-
-#FROM python:3.9.19-slim-bullseye
+FROM python:3.11.4-slim-buster AS builder
 
 # set work directory
 WORKDIR /app
@@ -12,7 +13,26 @@ ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
 
 # install system dependencies
-RUN apt-get update && apt-get install -y sqlite3 netcat
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends gcc
+
+# lint
+RUN pip install --upgrade pip
+RUN pip install flake8==6.0.0
+COPY . /app/
+RUN flake8 --ignore=E501,F401,E126 .
+
+COPY ./requirements.txt .
+
+
+RUN pip wheel --no-cache-dir --no-deps --wheel-dir /app/wheels -r requirements.txt
+
+##################
+# FINAL          #
+##################
+
+FROM python:3.11.4-slim-buster
+
 
 # create directory for the app user
 RUN mkdir -p /app
@@ -27,9 +47,13 @@ RUN mkdir -p $APP_HOME
 #RUN mkdir -p $APP_HOME/mediafiles
 WORKDIR $APP_HOME
 
+# install system dependencies
+RUN apt-get update && apt-get install -y sqlite3 netcat
+COPY --from=builder /app/wheels /wheels
+COPY --from=builder /app/requirements.txt .
+
 RUN pip install --upgrade pip
-COPY ./requirements.txt .
-RUN pip install -r /app/requirements.txt
+RUN pip install --no-cache /wheels/*
 
 # copy entrypoint.sh
 COPY ./entrypoint.sh .
diff --git a/Libros/K8S/Makefile b/Libros/K8S/Makefile
index 8c0d701..505a3cf 100644
--- a/Libros/K8S/Makefile
+++ b/Libros/K8S/Makefile
@@ -1,5 +1,5 @@
 export ARQUITECTURA := $(shell lscpu |grep itectur | tr -d ' '| cut -f2 -d':')
-export IMG_VERSION = 1.29
+export IMG_VERSION = 1.30
 export IMG_NGINX_VERSION = 1.17
 
 # limpia todo
diff --git a/Libros/biblioteca/accounts/urls.py b/Libros/biblioteca/accounts/urls.py
index 52f72bf..cb6be4a 100644
--- a/Libros/biblioteca/accounts/urls.py
+++ b/Libros/biblioteca/accounts/urls.py
@@ -9,4 +9,4 @@ urlpatterns = [
     path("signup/", SignUpView.as_view(), name="signup"),
     path('login/', auth_views.LoginView.as_view(), name='login'),
     path('logout/', auth_views.LogoutView.as_view(), name='logout'),
-]
\ No newline at end of file
+]
diff --git a/Libros/biblioteca/accounts/views.py b/Libros/biblioteca/accounts/views.py
index 6517d3e..824229b 100644
--- a/Libros/biblioteca/accounts/views.py
+++ b/Libros/biblioteca/accounts/views.py
@@ -1,11 +1,12 @@
 # accounts/views.py
-#from django.contrib.auth.forms import UserCreationForm
+# from django.contrib.auth.forms import UserCreationForm
 from django.urls import reverse_lazy
 from django.views.generic import CreateView
 
 from gestion.forms import ReyMotaUserCreationForm
 
+
 class SignUpView(CreateView):
     form_class = ReyMotaUserCreationForm
     success_url = reverse_lazy("login")
-    template_name = "registration/signup.html"
\ No newline at end of file
+    template_name = "registration/signup.html"
diff --git a/Libros/biblioteca/biblioteca/settings.py b/Libros/biblioteca/biblioteca/settings.py
index 4a6b8bd..776e14a 100644
--- a/Libros/biblioteca/biblioteca/settings.py
+++ b/Libros/biblioteca/biblioteca/settings.py
@@ -21,11 +21,11 @@ BASE_DIR = Path(__file__).resolve().parent.parent
 # See https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-#SECRET_KEY = 'django-insecure-q0bxrr=*ab*b8oa#=+-@_4cu-cp6)c3lz#+!c_%51$*!bnz%4!'
+
 SECRET_KEY = os.environ.get("SECRET_KEY")
 
 # SECURITY WARNING: don't run with debug turned on in production!
-#DEBUG = True
+# DEBUG = True
 
 DEBUG = bool(os.environ.get("DEBUG", default=0))
 
@@ -88,8 +88,8 @@ DATABASES = {
     }
 }
 
-#print("DB:",DATABASES)
-#print("BASE_DIR:",BASE_DIR)
+# print("DB:",DATABASES)
+# print("BASE_DIR:",BASE_DIR)
 
 # Password validation
 # https://docs.djangoproject.com/en/5.0/ref/settings/#auth-password-validators
@@ -139,26 +139,26 @@ LOGOUT_REDIRECT_URL = 'principal'
 
 AUTH_USER_MODEL = "gestion.ReyMotaUser"
 
-MEDIA_ROOT = os.path.join(BASE_DIR, 'mediafiles/') # 'media' is my media folder
+MEDIA_ROOT = os.path.join(BASE_DIR, 'mediafiles/')
 
 
 LOGGING = {
-   'version': 1,
-   'disable_existing_loggers': False,
-   'handlers': {
-      'file': {
-         'level': 'DEBUG',
-         'class': 'logging.FileHandler',
-         'filename': '/tmp/debug.log',
-      },
-   },
-   'loggers': {
-      'django': {
-         'handlers': ['file'],
-         'level': 'DEBUG',
-         'propagate': True,
-      },
-   },
+        'version': 1,
+        'disable_existing_loggers': False,
+        'handlers': {
+                'file': {
+                    'level': 'DEBUG',
+                    'class': 'logging.FileHandler',
+                    'filename': '/tmp/debug.log',
+                },
+        },
+        'loggers': {
+                'django': {
+                    'handlers': ['file'],
+                    'level': 'DEBUG',
+                    'propagate': True,
+                },
+        },
 }
 
 CSRF_TRUSTED_ORIGINS = ["http://localhost:30443"]
diff --git a/Libros/biblioteca/biblioteca/urls.py b/Libros/biblioteca/biblioteca/urls.py
index a49712d..691645c 100644
--- a/Libros/biblioteca/biblioteca/urls.py
+++ b/Libros/biblioteca/biblioteca/urls.py
@@ -20,6 +20,8 @@ from django.conf import settings
 from django.conf.urls.static import static
 from django.views.generic.base import TemplateView  # new
 
+admin.site.site_title = "Demo django con nginx"
+
 urlpatterns = [
     path('obreros/', admin.site.urls),
     path('gestion/', include('gestion.urls')),
@@ -28,9 +30,11 @@ urlpatterns = [
 
     path("accounts/", include("django.contrib.auth.urls")),
 
-    path("", TemplateView.as_view(template_name="gestion/index.html"), name="principal"),  # new
+    path("", TemplateView.as_view(template_name="gestion/index.html"),
+         name="principal"),  # new
 ]
 
 
 if settings.DEBUG:
-    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
+    urlpatterns += static(settings.MEDIA_URL,
+                          document_root=settings.MEDIA_ROOT)
diff --git a/Libros/biblioteca/gestion/admin.py b/Libros/biblioteca/gestion/admin.py
index 02e8944..1c803db 100644
--- a/Libros/biblioteca/gestion/admin.py
+++ b/Libros/biblioteca/gestion/admin.py
@@ -10,6 +10,7 @@ from .forms import ReyMotaUserCreationForm, ReyMotaUserChangeForm
 admin.site.register(Autor)
 admin.site.register(Libro)
 
+
 class ReyMotaUserAdmin(UserAdmin):
     add_form = ReyMotaUserCreationForm
     form = ReyMotaUserChangeForm
@@ -19,21 +20,27 @@ class ReyMotaUserAdmin(UserAdmin):
     fieldsets = (
         (None, {"fields": ("email", "password")}),
         ("Personal", {"fields": ("nombre",)}),
-        ("Permissions", {"fields": ("is_staff", "is_active", "groups", "user_permissions")}),
+        ("Permissions", {"fields": ("is_staff", "is_active", "groups",
+                                    "user_permissions")}),
         ("Varios", {"fields": ("foto",)}),
     )
     add_fieldsets = (
-        (None, {
-            "classes": ("wide",),
-            "fields": (
-                "email", "password1", "password2", "is_staff",
-                "is_active", "groups", "user_permissions"
-            )}
+        (
+            None,
+            {
+                "classes": ("wide",),
+                "fields": (
+                    "email", "password1", "password2", "is_staff",
+                    "is_active", "groups", "user_permissions"
+                )
+            }
         ),
+
         ("Personal", {"fields": ("nombre",)}),
         ("Varios", {"fields": ("foto",)}),
     )
     search_fields = ("email",)
     ordering = ("email",)
 
-admin.site.register(ReyMotaUser, ReyMotaUserAdmin)
\ No newline at end of file
+
+admin.site.register(ReyMotaUser, ReyMotaUserAdmin)
diff --git a/Libros/biblioteca/gestion/forms.py b/Libros/biblioteca/gestion/forms.py
index a89c241..e0d0ad1 100644
--- a/Libros/biblioteca/gestion/forms.py
+++ b/Libros/biblioteca/gestion/forms.py
@@ -3,26 +3,34 @@ from django.contrib.auth.forms import UserCreationForm, UserChangeForm
 
 from .models import Autor, Libro, ReyMotaUser
 
+
 class AutorForm(forms.ModelForm):
     class Meta:
         model = Autor
         fields = ['nombre', 'biografia', 'foto']
 
-    nombre = forms.CharField(widget=forms.TextInput(attrs={'class': 'form-control'}))
-    biografia = forms.CharField(widget=forms.TextInput(attrs={'class': 'form-control'}))
+    nombre = forms.CharField(
+        widget=forms.TextInput(attrs={'class': 'form-control'}))
+    biografia = forms.CharField(
+        widget=forms.TextInput(attrs={'class': 'form-control'}))
+
 
 class LibroForm(forms.ModelForm):
     class Meta:
         model = Libro
-        fields = ['titulo', 'autor', 'fecha_publicacion', 'descripcion', 'archivo', 'portada']
+        fields = ['titulo', 'autor', 'fecha_publicacion', 'descripcion',
+                  'archivo', 'portada']
 
-    titulo = forms.CharField(widget=forms.TextInput(attrs={'class': 'form-control'}))
-    descripcion = forms.CharField(widget=forms.TextInput(attrs={'class': 'form-control'}))
+    titulo = forms.CharField(
+        widget=forms.TextInput(attrs={'class': 'form-control'}))
+    descripcion = forms.CharField(
+        widget=forms.TextInput(attrs={'class': 'form-control'}))
 
     autor = forms.ModelChoiceField(
         queryset=Autor.objects.all(),
         widget=forms.Select(attrs={'class': 'form-control'}))
 
+
 class ReyMotaUserCreationForm(UserCreationForm):
 
     class Meta:
@@ -30,6 +38,7 @@ class ReyMotaUserCreationForm(UserCreationForm):
         fields = ("email", "nombre", "foto")
         labels = {'email': 'Dirección de correo'}
 
+
 class ReyMotaUserChangeForm(UserChangeForm):
 
     class Meta:
diff --git a/Libros/biblioteca/gestion/managers.py b/Libros/biblioteca/gestion/managers.py
index a42b5cc..0b8128d 100644
--- a/Libros/biblioteca/gestion/managers.py
+++ b/Libros/biblioteca/gestion/managers.py
@@ -31,4 +31,4 @@ class ReyMotaUserManager(BaseUserManager):
             raise ValueError(_("Superuser must have is_staff=True."))
         if extra_fields.get("is_superuser") is not True:
             raise ValueError(_("Superuser must have is_superuser=True."))
-        return self.create_user(email, password, **extra_fields)
\ No newline at end of file
+        return self.create_user(email, password, **extra_fields)
diff --git a/Libros/biblioteca/gestion/models.py b/Libros/biblioteca/gestion/models.py
index 2515b4f..b715271 100644
--- a/Libros/biblioteca/gestion/models.py
+++ b/Libros/biblioteca/gestion/models.py
@@ -6,6 +6,7 @@ from django.utils.translation import gettext_lazy as _
 
 from .managers import ReyMotaUserManager
 
+
 def current_year():
     return datetime.date.today().year
 
@@ -13,6 +14,7 @@ def current_year():
 def max_value_current_year(value):
     return MaxValueValidator(current_year())(value)
 
+
 class Autor(models.Model):
     nombre = models.CharField(max_length=200)
     biografia = models.TextField(blank=True, null=True)
@@ -21,6 +23,7 @@ class Autor(models.Model):
     def __str__(self):
         return self.nombre
 
+
 class Libro(models.Model):
     titulo = models.CharField(max_length=200)
     autor = models.ForeignKey(Autor, on_delete=models.CASCADE)
@@ -46,4 +49,4 @@ class ReyMotaUser(AbstractBaseUser, PermissionsMixin):
     objects = ReyMotaUserManager()
 
     def __str__(self):
-        return self.email
\ No newline at end of file
+        return self.email
diff --git a/Libros/biblioteca/gestion/templatetags/filtros_de_entorno.py b/Libros/biblioteca/gestion/templatetags/filtros_de_entorno.py
index c3a307b..4a6a015 100644
--- a/Libros/biblioteca/gestion/templatetags/filtros_de_entorno.py
+++ b/Libros/biblioteca/gestion/templatetags/filtros_de_entorno.py
@@ -1,8 +1,9 @@
-import os        
+import os
 from django import template
 
 register = template.Library()
 
+
 @register.filter
 def muestra_version(clave):
     return os.getenv(clave, '')
diff --git a/Libros/biblioteca/gestion/urls.py b/Libros/biblioteca/gestion/urls.py
index d5cb7ee..9cab83f 100644
--- a/Libros/biblioteca/gestion/urls.py
+++ b/Libros/biblioteca/gestion/urls.py
@@ -8,7 +8,7 @@ urlpatterns = [
     path('autores/<int:autor_id>/', views.detalle_autor, name='detalle_autor'),
     path('autores/<int:autor_id>/editar/', views.editar_autor, name='editar_autor'),
     path('autores/<int:autor_id>/eliminar/', views.eliminar_autor, name='eliminar_autor'),
-    
+
     path('libros/', views.lista_libros, name='lista_libros'),
     path('libros/nuevo/', views.nuevo_libro, name='nuevo_libro'),
     path('libros/<int:libro_id>/', views.detalle_libro, name='detalle_libro'),
diff --git a/Libros/biblioteca/gestion/views.py b/Libros/biblioteca/gestion/views.py
index 7defaed..57044cd 100644
--- a/Libros/biblioteca/gestion/views.py
+++ b/Libros/biblioteca/gestion/views.py
@@ -5,18 +5,20 @@ from django.views.generic import CreateView
 from django.contrib.auth.forms import UserCreationForm
 from django.urls import reverse_lazy
 
-
 from .models import Autor, Libro
 from .forms import AutorForm, LibroForm
 
+
 def principal(request):
     return render(request, 'gestion/index.html')
 
+
 # Vistas para los autores
 def lista_autores(request):
     autores = Autor.objects.all()
     return render(request, 'gestion/lista_autores.html', {'autores': autores})
 
+
 def detalle_autor(request, autor_id):
     autor = get_object_or_404(Autor, pk=autor_id)
 
@@ -24,6 +26,7 @@ def detalle_autor(request, autor_id):
 
     return render(request, 'gestion/detalle_autor.html', {'autor': autor, 'libros': libros})
 
+
 @login_required
 def nuevo_autor(request):
     if request.method == 'POST':
@@ -35,6 +38,7 @@ def nuevo_autor(request):
         form = AutorForm()
     return render(request, 'gestion/form_autor.html', {'form': form})
 
+
 @login_required
 def editar_autor(request, autor_id):
     autor = get_object_or_404(Autor, pk=autor_id)
@@ -47,21 +51,25 @@ def editar_autor(request, autor_id):
         form = AutorForm(instance=autor)
     return render(request, 'gestion/form_autor.html', {'form': form})
 
+
 @login_required
 def eliminar_autor(request, autor_id):
     autor = get_object_or_404(Autor, pk=autor_id)
     autor.delete()
     return redirect('lista_autores')
 
+
 # Vistas para los libros
 def lista_libros(request):
     libros = Libro.objects.all()
     return render(request, 'gestion/lista_libros.html', {'libros': libros})
 
+
 def detalle_libro(request, libro_id):
     libro = get_object_or_404(Libro, pk=libro_id)
     return render(request, 'gestion/detalle_libro.html', {'libro': libro})
 
+
 @login_required
 def nuevo_libro(request):
     if request.method == 'POST':
@@ -73,6 +81,7 @@ def nuevo_libro(request):
         form = LibroForm()
     return render(request, 'gestion/form_libro.html', {'form': form})
 
+
 @login_required
 def editar_libro(request, libro_id):
     libro = get_object_or_404(Libro, pk=libro_id)
@@ -85,6 +94,7 @@ def editar_libro(request, libro_id):
         form = LibroForm(instance=libro)
     return render(request, 'gestion/form_libro.html', {'form': form})
 
+
 @login_required
 def eliminar_libro(request, libro_id):
     libro = get_object_or_404(Libro, pk=libro_id)
@@ -95,4 +105,4 @@ def eliminar_libro(request, libro_id):
 class SignUpView(CreateView):
     form_class = UserCreationForm
     success_url = reverse_lazy("login")
-    template_name = "registration/signup.html"
\ No newline at end of file
+    template_name = "registration/signup.html"
diff --git a/Libros/requirements.txt b/Libros/requirements.txt
index e4ba69b..9303601 100644
--- a/Libros/requirements.txt
+++ b/Libros/requirements.txt
@@ -1,7 +1,12 @@
 asgiref==3.8.1
 Django==4.2
+flake8==7.1.1
+gunicorn==22.0.0
+mccabe==0.7.0
+packaging==24.1
 pillow==10.4.0
+psycopg2-binary==2.9.6
+pycodestyle==2.12.1
+pyflakes==3.2.0
 sqlparse==0.5.1
 typing_extensions==4.12.2
-gunicorn==22.0.0
-psycopg2-binary==2.9.6