feat(prod): Added custom 404 page and dynamic ALLOWED_HOSTS

Author: cp099

inventory/views.py

@@ -1019,4 +1019,10 @@ def create_user(request):
     else:
         form = UserCreationForm()
     context = {'form': form}
-    return render(request, 'inventory/create_user.html', context)
+    return render(request, 'inventory/create_user.html', context)
+
+def custom_page_not_found_view(request, exception):
+    """
+    Custom view to render the 404.html template.
+    """
+    return render(request, "404.html", status=404)

sherlock/settings.py

@@ -12,6 +12,7 @@
 https://docs.djangoproject.com/en/5.1/ref/settings/
 """
 
+import socket
 from pathlib import Path
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
@@ -25,9 +26,17 @@
 SECRET_KEY = 'django-insecure-gspzj&@$^rf!^erfwwj_2zm@thy@q-4sag4xip^8gdm5b-&e6s'
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
+DEBUG = False
 
-ALLOWED_HOSTS = []
+ALLOWED_HOSTS = ['127.0.0.1', 'localhost']
+if not DEBUG:
+    try:
+        hostname = socket.gethostname()
+        ALLOWED_HOSTS.append(hostname)
+        ip_address = socket.gethostbyname(hostname)
+        ALLOWED_HOSTS.append(ip_address)
+    except socket.gaierror:
+        print("Warning: Could not determine hostname or IP for ALLOWED_HOSTS. Network access may be limited.")
 
 
 # Application definition
@@ -44,7 +53,7 @@
 
 MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
-     'whitenoise.middleware.WhiteNoiseMiddleware',
+    'whitenoise.middleware.WhiteNoiseMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',

sherlock/urls.py

@@ -14,6 +14,7 @@
 from django.urls import path, include
 from inventory import views as inventory_views
 
+
 urlpatterns = [
     path('admin/', admin.site.urls),
 
@@ -23,4 +24,6 @@
     path('accounts/', include('django.contrib.auth.urls')),
 
     path('', include('inventory.urls')),
-]
+]
+
+handler404 = 'inventory.views.custom_page_not_found_view'

templates/404.html

@@ -0,0 +1,71 @@
+{% extends "inventory/base.html" %}
+{% load static %}
+
+{% block content %}
+<style>
+    .error-container {
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        min-height: 75vh; 
+        text-align: center;
+    }
+    .error-wrapper {
+        position: relative; 
+        max-width: 600px;
+        width: 100%;
+    }
+    .background-404 {
+        position: absolute;
+        top: 50%;
+        left: 50%;
+        transform: translate(-50%, -50%);
+        font-size: 20rem; 
+        font-weight: 800;
+        color: #e2e3e5; 
+        z-index: 1;
+        line-height: 1;
+        user-select: none;
+    }
+    .content {
+        position: relative;
+        z-index: 2;
+        padding: 2rem;
+    }
+    .logo {
+        width: 100%;
+        max-width: 300px; 
+        height: auto;
+        margin-bottom: -1.5rem; 
+    }
+    .error-title {
+        font-weight: 700;
+        font-size: 1.75rem;
+        margin-top: 2rem;
+        padding-bottom: 1rem;
+        border-bottom: 1px solid #585858;
+    }
+</style>
+
+<div class="error-container">
+    <div class="error-wrapper">
+        <div class="background-404">404</div>
+
+        <div class="content">
+            <img src="{% static 'inventory/images/logo.svg' %}" alt="Sherlock Logo" class="logo">
+            <h2 class="error-title">Page Not Found</h2>
+            
+            <p class="lead text-muted mt-3">
+                It seems the page you're looking for has vanished into thin air.
+            </p>
+            
+            <p>Let's get you back to a familiar place.</p>
+            
+            <a href="{% url 'inventory:dashboard' %}" class="btn btn-link btn-lg mt-2">
+                <i class="fas fa-tachometer-alt"></i> Go to Dashboard
+            </a>
+        </div>
+    </div>
+</div>
+
+{% endblock %}