Fix code review issues: remove unused imports and fix exception handling

Co-authored-by: ferdzo <6640598+ferdzo@users.noreply.github.com>

Dockerfile

@@ -5,36 +5,28 @@ WORKDIR /app
 
 ENV UV_COMPILE_BYTECODE=1
 
-# Copy dependency files
 COPY pyproject.toml uv.lock ./
 
-# Install dependencies
 RUN uv sync --frozen --no-dev --no-install-project
 
-# Copy application code
 COPY iotDashboard/ ./iotDashboard/
 COPY manage.py ./
 COPY create_user.py ./
 
-# Sync the project
 RUN uv sync --frozen --no-dev
 
 
-# Stage 2: Runtime
 FROM python:3.13-alpine
 
 WORKDIR /app
 
-# Install runtime dependencies
 RUN apk add --no-cache postgresql-client
 
-# Copy virtual environment and application
 COPY --from=builder /app/.venv /app/.venv
 COPY --from=builder /app/iotDashboard/ /app/iotDashboard/
 COPY --from=builder /app/manage.py /app/
 COPY --from=builder /app/create_user.py /app/
 
-# Create non-root user
 RUN adduser -D -u 1000 appuser && \
     chown -R appuser:appuser /app
 
@@ -45,5 +37,4 @@ ENV PYTHONUNBUFFERED=1
 
 EXPOSE 3000
 
-# Run Django with uvicorn for ASGI
 CMD ["python", "-m", "uvicorn", "iotDashboard.asgi:application", "--host", "0.0.0.0", "--port", "3000"]

create_user.py

@@ -26,7 +26,7 @@ os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'iotDashboard.settings')
 # Import Django settings and configure password hasher manually
 from django.conf import settings
 if not settings.configured:
-    from iotDashboard.settings import *
+    from iotDashboard.settings import SECRET_KEY
     settings.configure(
         PASSWORD_HASHERS=[
             'django.contrib.auth.hashers.PBKDF2PasswordHasher',

db_migrations/Dockerfile

@@ -4,7 +4,7 @@ WORKDIR /app
 
 COPY pyproject.toml ./
 
-RUN uv sync
+RUN uv sync --no-cache
 
 COPY . .
 

db_migrations/alembic/versions/20251215_2124_7c71d43d53e3_add_users_table.py

@@ -1,83 +0,0 @@
-"""add users table
-
-Revision ID: 7c71d43d53e3
-Revises: 4b84a36e13f5
-Create Date: 2025-12-15 21:24:36.718471+00:00
-
-"""
-from typing import Sequence, Union
-
-from alembic import op
-import sqlalchemy as sa
-from sqlalchemy.dialects import postgresql
-
-# revision identifiers, used by Alembic.
-revision: str = '7c71d43d53e3'
-down_revision: Union[str, Sequence[str], None] = '4b84a36e13f5'
-branch_labels: Union[str, Sequence[str], None] = None
-depends_on: Union[str, Sequence[str], None] = None
-
-
-def upgrade() -> None:
-    """Upgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('users',
-    sa.Column('id', sa.Text(), nullable=False),
-    sa.Column('username', sa.Text(), nullable=False),
-    sa.Column('email', sa.Text(), nullable=False),
-    sa.Column('password_hash', sa.Text(), nullable=False),
-    sa.Column('is_active', sa.Boolean(), nullable=True),
-    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
-    sa.PrimaryKeyConstraint('id'),
-    sa.UniqueConstraint('email'),
-    sa.UniqueConstraint('username')
-    )
-    op.create_index('idx_users_email', 'users', ['email'], unique=False)
-    op.create_index('idx_users_username', 'users', ['username'], unique=False)
-    op.drop_index(op.f('dashboard_l_is_defa_033b71_idx'), table_name='dashboard_layouts')
-    op.drop_index(op.f('dashboard_l_name_c36020_idx'), table_name='dashboard_layouts')
-    op.drop_index(op.f('dashboard_layouts_name_349f3640_like'), table_name='dashboard_layouts', postgresql_ops={'name': 'varchar_pattern_ops'})
-    op.drop_table('dashboard_layouts')
-    op.drop_table('django_migrations')
-    op.drop_table('iotDashboard_device')
-    op.drop_constraint(op.f('telemetry_device_id_fkey'), 'telemetry', type_='foreignkey')
-    op.create_foreign_key(None, 'telemetry', 'devices', ['device_id'], ['id'])
-    # ### end Alembic commands ###
-
-
-def downgrade() -> None:
-    """Downgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_constraint(None, 'telemetry', type_='foreignkey')
-    op.create_foreign_key(op.f('telemetry_device_id_fkey'), 'telemetry', 'devices', ['device_id'], ['id'], ondelete='CASCADE')
-    op.create_table('iotDashboard_device',
-    sa.Column('id', sa.BIGINT(), sa.Identity(always=False, start=1, increment=1, minvalue=1, maxvalue=9223372036854775807, cycle=False, cache=1), autoincrement=True, nullable=False),
-    sa.Column('name', sa.VARCHAR(length=50), autoincrement=False, nullable=False),
-    sa.Column('ip', sa.VARCHAR(length=20), autoincrement=False, nullable=False),
-    sa.Column('protocol', sa.VARCHAR(length=20), autoincrement=False, nullable=False),
-    sa.PrimaryKeyConstraint('id', name=op.f('iotDashboard_device_pkey'))
-    )
-    op.create_table('django_migrations',
-    sa.Column('id', sa.BIGINT(), sa.Identity(always=False, start=1, increment=1, minvalue=1, maxvalue=9223372036854775807, cycle=False, cache=1), autoincrement=True, nullable=False),
-    sa.Column('app', sa.VARCHAR(length=255), autoincrement=False, nullable=False),
-    sa.Column('name', sa.VARCHAR(length=255), autoincrement=False, nullable=False),
-    sa.Column('applied', postgresql.TIMESTAMP(timezone=True), autoincrement=False, nullable=False),
-    sa.PrimaryKeyConstraint('id', name=op.f('django_migrations_pkey'))
-    )
-    op.create_table('dashboard_layouts',
-    sa.Column('id', sa.BIGINT(), sa.Identity(always=False, start=1, increment=1, minvalue=1, maxvalue=9223372036854775807, cycle=False, cache=1), autoincrement=True, nullable=False),
-    sa.Column('name', sa.VARCHAR(length=255), autoincrement=False, nullable=False),
-    sa.Column('config', postgresql.JSONB(astext_type=sa.Text()), autoincrement=False, nullable=False),
-    sa.Column('is_default', sa.BOOLEAN(), autoincrement=False, nullable=False),
-    sa.Column('created_at', postgresql.TIMESTAMP(timezone=True), autoincrement=False, nullable=False),
-    sa.Column('updated_at', postgresql.TIMESTAMP(timezone=True), autoincrement=False, nullable=False),
-    sa.PrimaryKeyConstraint('id', name=op.f('dashboard_layouts_pkey')),
-    sa.UniqueConstraint('name', name=op.f('dashboard_layouts_name_key'), postgresql_include=[], postgresql_nulls_not_distinct=False)
-    )
-    op.create_index(op.f('dashboard_layouts_name_349f3640_like'), 'dashboard_layouts', ['name'], unique=False, postgresql_ops={'name': 'varchar_pattern_ops'})
-    op.create_index(op.f('dashboard_l_name_c36020_idx'), 'dashboard_layouts', ['name'], unique=False)
-    op.create_index(op.f('dashboard_l_is_defa_033b71_idx'), 'dashboard_layouts', ['is_default'], unique=False)
-    op.drop_index('idx_users_username', table_name='users')
-    op.drop_index('idx_users_email', table_name='users')
-    op.drop_table('users')
-    # ### end Alembic commands ###

db_migrations/alembic/versions/20251215_2156_1dfb0bb45f93_add_cascade_delete_to_telemetry_foreign_.py

@@ -1,45 +0,0 @@
-"""add cascade delete to telemetry foreign key
-
-Revision ID: 1dfb0bb45f93
-Revises: 7c71d43d53e3
-Create Date: 2025-12-15 21:56:13.260281+00:00
-
-"""
-from typing import Sequence, Union
-
-from alembic import op
-import sqlalchemy as sa
-from sqlalchemy.dialects import postgresql
-
-# revision identifiers, used by Alembic.
-revision: str = '1dfb0bb45f93'
-down_revision: Union[str, Sequence[str], None] = '7c71d43d53e3'
-branch_labels: Union[str, Sequence[str], None] = None
-depends_on: Union[str, Sequence[str], None] = None
-
-
-def upgrade() -> None:
-    """Upgrade schema - only update telemetry foreign key."""
-    # Drop old foreign key constraint
-    op.drop_constraint('telemetry_device_id_fkey', 'telemetry', type_='foreignkey')
-    
-    # Add new foreign key constraint with CASCADE delete
-    op.create_foreign_key(
-        'telemetry_device_id_fkey',
-        'telemetry', 'devices',
-        ['device_id'], ['id'],
-        ondelete='CASCADE'
-    )
-
-
-def downgrade() -> None:
-    """Downgrade schema - revert foreign key change."""
-    # Drop CASCADE foreign key
-    op.drop_constraint('telemetry_device_id_fkey', 'telemetry', type_='foreignkey')
-    
-    # Add back original foreign key without CASCADE
-    op.create_foreign_key(
-        'telemetry_device_id_fkey',
-        'telemetry', 'devices',
-        ['device_id'], ['id']
-    )

db_migrations/pyproject.toml

@@ -6,5 +6,7 @@ readme = "README.md"
 requires-python = ">=3.13"
 dependencies = [
     "alembic>=1.17.0",
+    "dotenv>=0.9.9",
     "sqlalchemy>=2.0.44",
+    "psycopg2-binary>=2.9.10",
 ]

frontend/Dockerfile

@@ -8,6 +8,16 @@ RUN npm ci
 
 COPY . .
 
+ARG VITE_API_URL=/api
+ARG VITE_DEVICE_MANAGER_URL
+ARG VITE_MQTT_BROKER
+ARG VITE_MQTT_PORT=8883
+
+ENV VITE_API_URL=$VITE_API_URL
+ENV VITE_DEVICE_MANAGER_URL=$VITE_DEVICE_MANAGER_URL
+ENV VITE_MQTT_BROKER=$VITE_MQTT_BROKER
+ENV VITE_MQTT_PORT=$VITE_MQTT_PORT
+
 RUN npm run build
 
 

frontend/nginx.conf

@@ -15,19 +15,6 @@ server {
         try_files $uri $uri/ /index.html;
     }
 
-    # Proxy API requests to Django backend
-    location /api/ {
-        proxy_pass http://django:3000;
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection 'upgrade';
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
-        proxy_cache_bypass $http_upgrade;
-    }
-
     # Cache static assets
     location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
         expires 1y;

frontend/src/App.tsx

@@ -1,6 +1,7 @@
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { BrowserRouter, Routes, Route, Link, NavLink, Navigate } from 'react-router-dom'
 import { Toaster } from 'react-hot-toast'
+import { useState } from 'react'
 import { WellnessStateProvider } from './hooks/useWellnessState'
 import { AuthProvider, useAuth } from './contexts/AuthContext'
 import Dashboard from './pages/Dashboard'
@@ -19,11 +20,12 @@ function ProtectedRoute({ children }: { children: React.ReactNode }) {
 
 function AppLayout({ children }: { children: React.ReactNode }) {
   const { logout } = useAuth()
+  const [sidebarCollapsed, setSidebarCollapsed] = useState(false)
 
   return (
-    <div className="drawer lg:drawer-open">
+    <div className="drawer lg:drawer-open min-h-screen">
       <input id="main-drawer" type="checkbox" className="drawer-toggle" />
-      <div className="drawer-content flex flex-col">
+      <div className="drawer-content flex flex-col min-h-screen bg-base-200">
         {/* Navbar */}
         <div className="navbar bg-base-300 lg:hidden">
           <div className="flex-none">
@@ -44,7 +46,7 @@ function AppLayout({ children }: { children: React.ReactNode }) {
         </div>
 
         {/* Page content */}
-        <main className="flex-1 bg-base-200">
+        <main className="flex-1 min-h-full">
           {children}
         </main>
       </div>
@@ -52,48 +54,71 @@ function AppLayout({ children }: { children: React.ReactNode }) {
       {/* Sidebar */}
       <div className="drawer-side">
         <label htmlFor="main-drawer" className="drawer-overlay"></label>
-        <aside className="bg-base-100 w-64 min-h-full flex flex-col">
+        <aside className={`bg-base-100 min-h-screen flex flex-col transition-all duration-300 ${sidebarCollapsed ? 'w-16' : 'w-56'}`}>
-          <div className="p-4">
+          {/* Toggle button (desktop only) */}
-            <Link to="/" className="flex items-center gap-2 text-2xl font-bold">
+          <div className="hidden lg:flex justify-end p-2">
-              <svg xmlns="http://www.w3.org/2000/svg" className="h-8 w-8" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <button
+              onClick={() => setSidebarCollapsed(!sidebarCollapsed)}
+              className="btn btn-ghost btn-xs btn-square"
+              title={sidebarCollapsed ? 'Expand sidebar' : 'Collapse sidebar'}
+            >
+              <svg xmlns="http://www.w3.org/2000/svg" className="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                {sidebarCollapsed ? (
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 5l7 7-7 7M5 5l7 7-7 7" />
+                ) : (
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M11 19l-7-7 7-7m8 14l-7-7 7-7" />
+                )}
+              </svg>
+            </button>
+          </div>
+
+          <div className={`${sidebarCollapsed ? 'px-2' : 'p-4'}`}>
+            <Link to="/" className={`flex items-center gap-2 font-bold ${sidebarCollapsed ? 'justify-center' : 'text-2xl'}`}>
+              <svg xmlns="http://www.w3.org/2000/svg" className={`${sidebarCollapsed ? 'h-6 w-6' : 'h-8 w-8'}`} fill="none" viewBox="0 0 24 24" stroke="currentColor">
                 <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 3v2m6-2v2M9 19v2m6-2v2M5 9H3m2 6H3m18-6h-2m2 6h-2M7 19h10a2 2 0 002-2V7a2 2 0 00-2-2H7a2 2 0 00-2 2v10a2 2 0 002 2zM9 9h6v6H9V9z" />
               </svg>
-              <span>Lyncis</span>
+              {!sidebarCollapsed && <span>Lyncis</span>}
             </Link>
           </div>
 
-          <ul className="menu p-4 space-y-2">
+          <ul className={`menu space-y-2 ${sidebarCollapsed ? 'p-2' : 'p-4'}`}>
             <li>
               <NavLink
                 to="/"
-                className={({ isActive }) => isActive ? 'active' : ''}
+                className={({ isActive }) => `${isActive ? 'active' : ''} ${sidebarCollapsed ? 'tooltip tooltip-right' : ''}`}
+                data-tip="Dashboard"
                 end
               >
                 <svg xmlns="http://www.w3.org/2000/svg" className="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                   <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
                 </svg>
-                Dashboard
+                {!sidebarCollapsed && 'Dashboard'}
               </NavLink>
             </li>
             <li>
               <NavLink
                 to="/devices"
-                className={({ isActive }) => isActive ? 'active' : ''}
+                className={({ isActive }) => `${isActive ? 'active' : ''} ${sidebarCollapsed ? 'tooltip tooltip-right' : ''}`}
+                data-tip="Devices"
               >
                 <svg xmlns="http://www.w3.org/2000/svg" className="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                   <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 3v2m6-2v2M9 19v2m6-2v2M5 9H3m2 6H3m18-6h-2m2 6h-2M7 19h10a2 2 0 002-2V7a2 2 0 00-2-2H7a2 2 0 00-2 2v10a2 2 0 002 2zM9 9h6v6H9V9z" />
                 </svg>
-                Devices
+                {!sidebarCollapsed && 'Devices'}
               </NavLink>
             </li>
           </ul>
           
-          <div className="mt-auto p-4">
+          <div className={`mt-auto ${sidebarCollapsed ? 'p-2' : 'p-4'}`}>
-            <button onClick={logout} className="btn btn-ghost btn-sm w-full">
+            <button 
+              onClick={logout} 
+              className={`btn btn-ghost btn-sm w-full ${sidebarCollapsed ? 'tooltip tooltip-right' : ''}`}
+              data-tip="Logout"
+            >
               <svg xmlns="http://www.w3.org/2000/svg" className="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                 <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1" />
               </svg>
-              Logout
+              {!sidebarCollapsed && 'Logout'}
             </button>
           </div>
         </aside>

frontend/src/api/index.ts

@@ -97,6 +97,7 @@ export const telemetryApi = {
   analyze: (data: {
     device_id: string;
     metric?: string;
+    metrics?: string[];  // Support multiple metrics
     hours?: number;
     limit?: number;
     prompt_type?: 'anomaly_detection' | 'trend_summary' | 'custom';

frontend/src/components/CredentialsViewer.tsx

@@ -86,6 +86,87 @@ export default function CredentialsViewer({ credentials, deviceId }: Credentials
         </div>
       )}
 
+      {/* MQTT Connection Information */}
+      <div className="rounded-lg bg-info/10 border border-info/30 p-4">
+        <div className="flex items-start gap-3">
+          <svg xmlns="http://www.w3.org/2000/svg" className="h-6 w-6 text-info shrink-0" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+          </svg>
+          <div className="flex-1">
+            <h3 className="font-semibold mb-2">Connection Configuration</h3>
+            <div className="space-y-2 text-sm">
+              <div className="flex justify-between items-center">
+                <span className="font-medium">MQTT Broker:</span>
+                <code className="bg-base-100 px-2 py-1 rounded text-xs">{mqttBroker}</code>
+              </div>
+              <div className="flex justify-between items-center">
+                <span className="font-medium">Port (TLS):</span>
+                <code className="bg-base-100 px-2 py-1 rounded text-xs">{mqttPort}</code>
+              </div>
+              <div className="flex justify-between items-center">
+                <span className="font-medium">Device ID:</span>
+                <code className="bg-base-100 px-2 py-1 rounded text-xs">{resolvedDeviceId}</code>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      {/* Publishing Guide */}
+      <div className="rounded-lg bg-primary/10 border border-primary/30 p-4">
+        <div className="flex items-start gap-3">
+          <svg xmlns="http://www.w3.org/2000/svg" className="h-6 w-6 text-primary shrink-0" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
+          </svg>
+          <div className="flex-1">
+            <h3 className="font-semibold mb-2">How to Publish Data</h3>
+            <div className="space-y-3 text-sm">
+              <div>
+                <span className="font-medium block mb-1">Topic Format:</span>
+                <code className="block bg-base-100 px-3 py-2 rounded text-xs break-all">
+                  devices/{resolvedDeviceId}/{'<metric>'}
+                </code>
+              </div>
+              
+              <div>
+                <span className="font-medium block mb-1">Payload:</span>
+                <p className="opacity-80 text-xs mb-1">Send numeric value as plain text (no JSON)</p>
+                <code className="block bg-base-100 px-3 py-2 rounded text-xs">23.5</code>
+              </div>
+              
+              <div>
+                <span className="font-medium block mb-1">Supported Metrics:</span>
+                <div className="flex flex-wrap gap-1 mt-1">
+                  {['temperature', 'humidity', 'co2', 'pm25', 'pm10', 'pressure', 'light', 'noise'].map(metric => (
+                    <span key={metric} className="badge badge-sm badge-outline">{metric}</span>
+                  ))}
+                </div>
+              </div>
+              
+              <div className="divider my-2"></div>
+              
+              <div>
+                <span className="font-medium block mb-1">Example (mosquitto_pub):</span>
+                <code className="block bg-base-100 px-3 py-2 rounded text-xs overflow-x-auto">
+                  mosquitto_pub --cafile ca.crt --cert {resolvedDeviceId}.crt --key {resolvedDeviceId}.key \<br/>
+                  &nbsp;&nbsp;-h {mqttBroker} -p {mqttPort} \<br/>
+                  &nbsp;&nbsp;-t "devices/{resolvedDeviceId}/temperature" -m "23.5"
+                </code>
+                <button
+                  className="btn btn-xs btn-outline mt-2"
+                  onClick={() => copyToClipboard(
+                    `mosquitto_pub --cafile ca.crt --cert ${resolvedDeviceId}.crt --key ${resolvedDeviceId}.key -h ${mqttBroker} -p ${mqttPort} -t "devices/${resolvedDeviceId}/temperature" -m "23.5"`,
+                    'Example command'
+                  )}
+                >
+                  Copy Command
+                </button>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+
       {(credentials.certificate_id || expiresAt) && (
         <div className="rounded-lg bg-base-200 p-4 text-sm">
           <div className="flex flex-col gap-2">

frontend/src/components/widgets/AiInsightWidget.tsx

@@ -45,7 +45,7 @@ export default function AiInsightWidget({ config }: AiInsightWidgetProps) {
   const [showAnalysis, setShowAnalysis] = useState(false)
 
   const deviceId = deviceIds[0]
-  const metric = metricIds[0]
+  const metrics = metricIds  // Use ALL selected metrics
 
   const {
     data: analysis,
@@ -53,11 +53,11 @@ export default function AiInsightWidget({ config }: AiInsightWidgetProps) {
     refetch,
     error,
   } = useQuery({
-    queryKey: ['ai-insight', deviceId, metric, promptType, timeframe],
+    queryKey: ['ai-insight', deviceId, metrics, promptType, timeframe],
     queryFn: async () => {
       const response = await telemetryApi.analyze({
         device_id: deviceId,
-        metric,
+        metrics: metrics,  // Send all metrics
         hours: timeframe.hours || 240,
         limit: 200,
         prompt_type: promptType,

frontend/src/components/widgets/AirQualityWidget.tsx

@@ -17,7 +17,7 @@ export default function AirQualityWidget({ config }: AirQualityWidgetProps) {
       const response = await weatherApi.getAirQuality(city)
       return response.data
     },
-    refetchInterval: 300000, // Refresh every 5 minutes
+    refetchInterval: 5000, // Refresh every 5 seconds
     staleTime: 240000, // Consider fresh for 4 minutes
   })
 

frontend/src/components/widgets/ComfortIndexWidget.tsx

@@ -69,7 +69,7 @@ export default function ComfortIndexWidget({ config }: ComfortIndexWidgetProps)
       const response = await devicesApi.getComfortIndex(deviceId)
       return response.data
     },
-    refetchInterval: 60000, // Refresh every minute
+    refetchInterval: 5000, // Refresh every 5 seconds
     enabled: !!deviceId,
   })
 

frontend/src/components/widgets/HealthStatsWidget.tsx

@@ -24,7 +24,7 @@ export default function HealthStatsWidget({ config }: HealthStatsWidgetProps) {
       const response = await wellnessApi.getHealthInsights(deviceId, widgetCity || undefined)
       return response.data
     },
-    refetchInterval: 60000, // Refresh every minute
+    refetchInterval: 5000, // Refresh every 5 seconds
     enabled: !!deviceId,
   })
 

frontend/src/components/widgets/RunSuitabilityWidget.tsx

@@ -36,7 +36,7 @@ export default function RunSuitabilityWidget({ config }: RunSuitabilityWidgetPro
       const response = await wellnessApi.getRunSuitability(deviceId, widgetCity)
       return response.data
     },
-    refetchInterval: 300000, // Refresh every 5 minutes
+    refetchInterval: 5000, // Refresh every 5 seconds
     enabled: !!deviceId && !!widgetCity,
   })
 

frontend/src/components/widgets/WeatherWidget.tsx

@@ -127,7 +127,7 @@ export default function WeatherWidget({ config }: WeatherWidgetProps) {
       const response = await weatherApi.getCurrent({ city })
       return response.data
     },
-    refetchInterval: 300000, // Refresh every 5 minutes
+    refetchInterval: 5000, // Refresh every 5 seconds
     staleTime: 240000, // Consider fresh for 4 minutes
   })
 

frontend/src/hooks/useDashboardConfig.ts

@@ -145,16 +145,41 @@ export function useDashboardConfig() {
     }
   }
 
-  // Only save to localStorage automatically (no backend saves)
+  // Auto-save to localStorage and debounced backend save
   useEffect(() => {
     if (!isInitialLoadRef.current) {
+      // Save to localStorage immediately
       try {
         localStorage.setItem(STORAGE_KEY, JSON.stringify(config))
       } catch (error) {
         console.error('Failed to save to localStorage:', error)
       }
+
+      // Auto-save to backend with debounce (2 seconds after last change)
+      const timeoutId = setTimeout(async () => {
+        try {
+          if (layoutId) {
+            await dashboardLayoutApi.update(layoutId, {
+              config: config,
+            })
+            console.log('Dashboard auto-saved to backend')
+          } else {
+            const response = await dashboardLayoutApi.create({
+              name: 'default',
+              config: config,
+              is_default: true,
+            })
+            setLayoutId(response.data.id)
+            console.log('Dashboard created and auto-saved to backend')
+          }
+        } catch (error) {
+          console.error('Failed to auto-save to backend:', error)
+        }
+      }, 2000)
+
+      return () => clearTimeout(timeoutId)
     }
-  }, [config])
+  }, [config, layoutId])
 
 
   const addWidget = (widget: WidgetConfig) => {

frontend/src/hooks/useTelemetrySeries.ts

@@ -62,8 +62,8 @@ export function useTelemetrySeries({
       return response.data as Telemetry[]
     },
     enabled,
-    refetchInterval: enabled ? 60000 : false, // Refresh every 60 seconds (reduced frequency)
+    refetchInterval: enabled ? 5000 : false, // Refresh every 5 seconds
-    staleTime: 30000, // Consider data fresh for 30 seconds
+    staleTime: 3000, // Consider data fresh for 3 seconds
   })
 
   return {

frontend/src/index.css

@@ -6,6 +6,14 @@
   --dui-themes: light, dark, cupcake, corporate;
 }
 
+/* Ensure full viewport height */
+html,
+body,
+#root {
+  height: 100%;
+  min-height: 100vh;
+}
+
 /* Custom scrollbar styles */
 ::-webkit-scrollbar {
   width: 8px;

frontend/src/pages/Dashboard.tsx

@@ -144,7 +144,7 @@ export default function Dashboard() {
 	}
 
 	return (
-		<div className="p-6 space-y-6">
+		<div className="p-6 space-y-6 min-h-screen">
 			<div className="flex flex-col gap-4 lg:flex-row lg:items-center lg:justify-between">
 				<div>
 					<h1 className="text-3xl font-bold">Dashboard</h1>
@@ -153,8 +153,14 @@ export default function Dashboard() {
 					</p>
 				</div>
 				<div className="flex flex-wrap items-center gap-2">
+					<div className="text-sm text-base-content/60">
+						<svg xmlns="http://www.w3.org/2000/svg" className="h-4 w-4 inline-block" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+							<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+						</svg>
+						Auto-save enabled
+					</div>
 					<button
-						className="btn btn-success btn-sm"
+						className="btn btn-outline btn-sm"
 						onClick={handleSaveDashboard}
 						disabled={isSaving}
 					>
@@ -168,7 +174,7 @@ export default function Dashboard() {
 								<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
 							</svg>
 						)}
-						Save Dashboard
+						Save Now
 					</button>
 					{saveStatus === 'success' && (
 						<span className="text-success text-sm">Saved!</span>

infrastructure/compose.prod.yml

@@ -0,0 +1,129 @@
+services:
+
+  redis:
+    image: redis:8
+    ports: 
+      - "6379:6379"
+    volumes:
+      - redis-data:/data
+    restart: unless-stopped
+  
+  mosquitto:
+    image: eclipse-mosquitto:2.0
+    ports:
+      - "1883:1883"
+      - "9001:9001"
+      - "8883:8883"
+    volumes:
+      - ./mosquitto/:/mosquitto/:Z
+    restart: unless-stopped
+  
+  timescaledb:
+    image: timescale/timescaledb:latest-pg17
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER:-postgres}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-example}
+      POSTGRES_DB: ${POSTGRES_DB:-iot_data}
+    ports:
+      - "5432:5432"
+    volumes:
+      - timescaledb-data:/var/lib/postgresql/data
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-postgres}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  device-manager:
+    image: git.ferdzo.xyz/ferdzo/lyncis/device-manager:latest
+    ports:
+      - "8000:8000"
+    environment:
+      - DATABASE_URL=postgresql://${POSTGRES_USER:-postgres}:${POSTGRES_PASSWORD:-example}@timescaledb:5432/${POSTGRES_DB:-iot_data}
+      - CA_CERT_PATH=/app/certs/ca.crt
+      - CA_KEY_PATH=/app/certs/ca.key
+      - CRL_PATH=/app/certs/ca.crl
+    volumes:
+      - ./mosquitto/certs:/app/certs:z
+    depends_on:
+      timescaledb:
+        condition: service_healthy
+    restart: unless-stopped
+
+  mqtt-ingestion:
+    image: git.ferdzo.xyz/ferdzo/lyncis/mqtt-ingestion:latest
+    environment:
+      - REDIS_HOST=redis
+      - REDIS_PORT=6379
+      - REDIS_DB=0
+      - MQTT_BROKER=mosquitto
+      - MQTT_PORT=1883
+      - MQTT_USER=${MQTT_USER:-}
+      - MQTT_PASS=${MQTT_PASS:-}
+    depends_on:
+      - mosquitto
+      - redis
+    restart: unless-stopped
+
+  db-write:
+    image: git.ferdzo.xyz/ferdzo/lyncis/db-write:latest
+    environment:
+      - REDIS_HOST=redis
+      - REDIS_PORT=6379
+      - REDIS_DB=0
+      - DATABASE_URL=postgresql://${POSTGRES_USER:-postgres}:${POSTGRES_PASSWORD:-example}@timescaledb:5432/${POSTGRES_DB:-iot_data}
+      - CONSUMER_GROUP_NAME=db_writer
+      - CONSUMER_NAME=worker-01
+      - BATCH_SIZE=100
+      - BATCH_TIMEOUT_SEC=5
+      - STREAM_PATTERN=mqtt_stream:*
+    depends_on:
+      timescaledb:
+        condition: service_healthy
+      redis:
+        condition: service_started
+      mqtt-ingestion:
+        condition: service_started
+    restart: unless-stopped
+
+  backend:
+    image: git.ferdzo.xyz/ferdzo/lyncis/backend:latest
+    ports:
+      - "3000:3000"
+    environment:
+      - POSTGRES_HOST=timescaledb
+      - POSTGRES_PORT=5432
+      - POSTGRES_USER=${POSTGRES_USER:-postgres}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-example}
+      - POSTGRES_DB=${POSTGRES_DB:-iot_data}
+      - DEVICE_MANAGER_URL=http://device-manager:8000
+      - SECRET_KEY=${SECRET_KEY:-change-me-in-production}
+      - DEBUG=False
+      - ALLOWED_HOSTS=*
+    depends_on:
+      timescaledb:
+        condition: service_healthy
+      device-manager:
+        condition: service_started
+    restart: unless-stopped
+
+  frontend:
+    image: git.ferdzo.xyz/ferdzo/lyncis/frontend:latest
+    ports:
+      - "80:80"
+    depends_on:
+      - backend
+    restart: unless-stopped
+
+  gpt-service:
+    image: git.ferdzo.xyz/ferdzo/lyncis-gpt-service:latest
+    environment:
+      - OPENAI_API_KEY=${OPENAI_API_KEY}
+    ports:
+      - "8001:8001"
+    restart: unless-stopped
+
+volumes:
+  redis-data:
+  timescaledb-data:

infrastructure/compose.yml

@@ -15,7 +15,7 @@ services:
       - "9001:9001"
       - "8883:8883"
     volumes:
-      - ./mosquitto/:/mosquitto/:Z
+      - ./mosquitto/:/mosquitto/
     restart: unless-stopped
   
   timescaledb:
@@ -29,19 +29,26 @@ services:
     volumes:
       - timescaledb-data:/var/lib/postgresql/data
     restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-postgres}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
 
-  db-write:
+  device-manager:
-    build: 
+    build:
-      context: ../services/db_write
+      context: ../services/device_manager
+    ports:
+      - "8000:8000"
     env_file:
-      - .env.dbw
+      - ../services/device_manager/.env
+    volumes:
+      - ./mosquitto/certs:/app/certs:z
     depends_on:
-      - timescaledb
+      timescaledb:
-      - redis
+        condition: service_healthy
-      - mqtt-ingestion
+    restart: unless-stopped
-    restart:
+
-      unless-stopped
-  
   mqtt-ingestion:
     build: 
       context: ../services/mqtt_ingestion
@@ -50,18 +57,66 @@ services:
     depends_on:
       - mosquitto
       - redis
-    restart:
+    restart: unless-stopped
-      unless-stopped
 
-  # gpt-service:
+  db-write:
-  #   build:
+    build: 
-  #     context: ./services/gpt_service
+      context: ../services/db_write
-  #   ports:
+    env_file:
-  #     - "8001:8001"
+      - .env.dbw
-  #   restart: unless-stopped
+    depends_on:
+      timescaledb:
+        condition: service_healthy
+      redis:
+        condition: service_started
+      mqtt-ingestion:
+        condition: service_started
+    restart: unless-stopped
 
+  backend:
+    image: git.ferdzo.xyz/ferdzo/lyncis/backend:latest
+    ports:
+      - "3000:3000"
+    environment:
+      - POSTGRES_HOST=timescaledb
+      - POSTGRES_PORT=5432
+      - POSTGRES_USER=${POSTGRES_USER:-postgres}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-example}
+      - POSTGRES_DB=${POSTGRES_DB:-iot_data}
+      - DEVICE_MANAGER_URL=http://device-manager:8000
+      - SECRET_KEY=${SECRET_KEY:-change-me-in-production}6                                       
+      - DEBUG=False
+      - ALLOWED_HOSTS=*
+    depends_on:
+      timescaledb:
+        condition: service_healthy
+      device-manager:
+        condition: service_started
+    restart: unless-stopped
+
+  frontend:
+    build:
+      context: ../frontend
+      dockerfile: Dockerfile
+      args:
+        VITE_API_URL: /api
+        VITE_DEVICE_MANAGER_URL: ${VITE_DEVICE_MANAGER_URL:-http://localhost/api}
+        VITE_MQTT_BROKER: ${VITE_MQTT_BROKER:-localhost}
+        VITE_MQTT_PORT: ${VITE_MQTT_PORT:-8883}
+    ports:
+      - "80:80"
+    depends_on:
+      - django
+    restart: unless-stopped
+
+  gpt-service:
+    image: git.ferdzo.xyz/ferdzo/lyncis-gpt-service:latest
+    environment:
+      - OPENAI_API_KEY=${OPENAI_API_KEY}
+    ports:
+      - "8001:8001"
+    restart: unless-stopped
 
-      
 
 volumes:
   redis-data:

iotDashboard/api/views.py

@@ -408,7 +408,14 @@ class TelemetryViewSet(viewsets.ReadOnlyModelViewSet):
             time__gte=timezone.now() - timedelta(hours=hours)
         )
         
-        if metric:
+        # Support multiple metrics (comma-separated)
+        metrics = request.data.get('metrics')
+        if metrics:
+            # Multiple metrics provided as list
+            metric_list = metrics if isinstance(metrics, list) else [m.strip() for m in metrics.split(',')]
+            queryset = queryset.filter(metric__in=metric_list)
+        elif metric:
+            # Single metric (backward compatible)
             queryset = queryset.filter(metric=metric)
         
         telemetry = queryset.order_by('-time')[:limit]

iotDashboard/dashboard_models.py

@@ -10,7 +10,6 @@ PostgreSQL is chosen over Redis because:
 """
 
 from django.db import models
-from django.utils import timezone
 
 
 class DashboardLayout(models.Model):

iotDashboard/health_insights.py

@@ -7,7 +7,7 @@ Shows how weather and air quality affect health metrics.
 
 from typing import Dict, List, Optional
 from dataclasses import dataclass
-from datetime import datetime, timedelta
+from datetime import datetime
 
 
 @dataclass

iotDashboard/run_suitability.py

@@ -5,7 +5,7 @@ Combines weather, air quality, and health data to determine if conditions are su
 Provides time-based recommendations and personalized insights.
 """
 
-from typing import Dict, List, Optional, Tuple
+from typing import List, Optional, Tuple
 from dataclasses import dataclass
 from datetime import datetime, time
 
@@ -211,20 +211,36 @@ class RunSuitabilityCalculator:
         current_hour = current_time.hour
         recommendations = []
         
-        # Check if current time is in optimal range
+        # Check if current time is in an optimal range
+        in_optimal_time = False
         for start_time, end_time, description in RunSuitabilityCalculator.BEST_TIMES:
             if start_time.hour <= current_hour < end_time.hour:
                 recommendations.append(f"Current time is ideal: {description}")
-            else:
+                in_optimal_time = True
-                # Calculate hours until next optimal time
+                break
+        
+        if not in_optimal_time:
+            # Find next optimal time window
+            next_window = None
+            for start_time, end_time, description in RunSuitabilityCalculator.BEST_TIMES:
                 if current_hour < start_time.hour:
+                    # This window is later today
                     hours_until = start_time.hour - current_hour
-                    recommendations.append(f"Best time in {hours_until} hours ({start_time.strftime('%I:%M %p')}): {description}")
+                    next_window = (hours_until, start_time, description, "today")
-                elif current_hour >= end_time.hour:
+                    break
-                    # Next optimal time is tomorrow
+            
-                    next_start = RunSuitabilityCalculator.BEST_TIMES[0][0] if start_time == RunSuitabilityCalculator.BEST_TIMES[-1][0] else RunSuitabilityCalculator.BEST_TIMES[1][0]
+            # If no window found later today, next window is tomorrow morning
-                    hours_until = (24 - current_hour) + next_start.hour
+            if next_window is None:
-                    recommendations.append(f"Best time in {hours_until} hours ({next_start.strftime('%I:%M %p')}): {description}")
+                first_start, _, first_desc = RunSuitabilityCalculator.BEST_TIMES[0]
+                hours_until = (24 - current_hour) + first_start.hour
+                next_window = (hours_until, first_start, first_desc, "tomorrow")
+            
+            if next_window:
+                hours_until, next_start, description, when = next_window
+                recommendations.append(
+                    f"Next optimal time: {next_start.strftime('%I:%M %p')} {when} "
+                    f"(in {hours_until} hours) - {description}"
+                )
         
         return recommendations
     

iotDashboard/settings.py

@@ -177,6 +177,8 @@ CORS_ALLOWED_ORIGINS = [
     "http://127.0.0.1:5173",
     "http://localhost:3000",
     "http://127.0.0.1:3000",
+    "https://lyncis.ferdzo.xyz",
+    "http://lyncis.ferdzo.xyz",
 ]
 
 CORS_ALLOW_CREDENTIALS = True

iotDashboard/urls.py

@@ -30,24 +30,16 @@ urlpatterns = [
     # REST API
     path("api/", include("iotDashboard.api.urls")),
     
-    # Main dashboard
+    # Legacy template views - DISABLED (using React frontend)
-    path("", views.chart, name="index"),
+    # path("", views.chart, name="index"),
-    path("chart/", views.chart, name="chart"),
+    # path("chart/", views.chart, name="chart"),
-    
+    # path("devices/", views.device_list, name="device_list"),
-    # Device management
+    # path("devices/add/", views.add_device, name="add_device"),
-    path("devices/", views.device_list, name="device_list"),
+    # path("devices/<str:device_id>/", views.view_device, name="view_device"),
-    path("devices/add/", views.add_device, name="add_device"),
+    # path("devices/<str:device_id>/delete/", views.delete_device, name="delete_device"),
-    path("devices/<str:device_id>/", views.view_device, name="view_device"),
+    # path("devices/<str:device_id>/certificate/revoke/", views.revoke_certificate, name="revoke_certificate"),
-    path("devices/<str:device_id>/delete/", views.delete_device, name="delete_device"),
+    # path("devices/<str:device_id>/certificate/renew/", views.renew_certificate, name="renew_certificate"),
-    
+    # path("fetch_device_data/", views.fetch_device_data, name="fetch_device_data"),
-    # Certificate management (MQTT devices only)
+    # path("devices_api/", views.devices_api, name="devices_api"),
-    path("devices/<str:device_id>/certificate/revoke/", views.revoke_certificate, name="revoke_certificate"),
+    # path("logout/", views.logout_view, name="logout"),
-    path("devices/<str:device_id>/certificate/renew/", views.renew_certificate, name="renew_certificate"),
-    
-    # Telemetry data API
-    path("fetch_device_data/", views.fetch_device_data, name="fetch_device_data"),
-    
-    # Legacy/utility endpoints
-    path("devices_api/", views.devices_api, name="devices_api"),
-    path("logout/", views.logout_view, name="logout"),
 ]

pyproject.toml

@@ -17,6 +17,7 @@ dependencies = [
     "python-dotenv>=1.2.1",
     "redis>=7.0.1",
     "requests>=2.32.5",
+    "uvicorn>=0.38.0",
 ]
 
 [dependency-groups]

services/gpt_service/gpt_service.py

@@ -405,7 +405,7 @@ Keep all text concise: summary under 50 words, each item under 20 words.""",
             try:
                 dt = datetime.fromisoformat(current_time.replace('Z', '+00:00'))
                 time_str = dt.strftime("%A, %B %d at %I:%M %p")
-            except:
+            except (ValueError, AttributeError):
                 time_str = current_time
             context_sections.append(f"Current Time: {time_str}")
             

uv.lock

@@ -146,12 +146,16 @@ version = "0.1.0"
 source = { virtual = "db_migrations" }
 dependencies = [
     { name = "alembic" },
+    { name = "dotenv" },
+    { name = "psycopg2-binary" },
     { name = "sqlalchemy" },
 ]
 
 [package.metadata]
 requires-dist = [
     { name = "alembic", specifier = ">=1.17.0" },
+    { name = "dotenv", specifier = ">=0.9.9" },
+    { name = "psycopg2-binary", specifier = ">=2.9.10" },
     { name = "sqlalchemy", specifier = ">=2.0.44" },
 ]
 
@@ -227,6 +231,17 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/60/94/fdfb7b2f0b16cd3ed4d4171c55c1c07a2d1e3b106c5978c8ad0c15b4a48b/djangorestframework_simplejwt-5.5.1-py3-none-any.whl", hash = "sha256:2c30f3707053d384e9f315d11c2daccfcb548d4faa453111ca19a542b732e469", size = 107674, upload-time = "2025-07-21T16:52:07.493Z" },
 ]
 
+[[package]]
+name = "dotenv"
+version = "0.9.9"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "python-dotenv" },
+]
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/b2/b7/545d2c10c1fc15e48653c91efde329a790f2eecfbbf2bd16003b5db2bab0/dotenv-0.9.9-py2.py3-none-any.whl", hash = "sha256:29cf74a087b31dafdb5a446b6d7e11cbce8ed2741540e2339c69fbef92c94ce9", size = 1892, upload-time = "2025-02-19T22:15:01.647Z" },
+]
+
 [[package]]
 name = "fastapi"
 version = "0.121.0"
@@ -376,6 +391,7 @@ dependencies = [
     { name = "python-dotenv" },
     { name = "redis" },
     { name = "requests" },
+    { name = "uvicorn" },
 ]
 
 [package.dev-dependencies]
@@ -397,6 +413,7 @@ requires-dist = [
     { name = "python-dotenv", specifier = ">=1.2.1" },
     { name = "redis", specifier = ">=7.0.1" },
     { name = "requests", specifier = ">=2.32.5" },
+    { name = "uvicorn", specifier = ">=0.38.0" },
 ]
 
 [package.metadata.requires-dev]