diff --git a/bite/api/migrations/0001_initial.py b/bite/api/migrations/0001_initial.py
index 4282a77..0276db1 100644
--- a/bite/api/migrations/0001_initial.py
+++ b/bite/api/migrations/0001_initial.py
@@ -1,6 +1,8 @@
-# Generated by Django 3.0.6 on 2020-06-01 14:13
+# Generated by Django 3.1.3 on 2021-03-19 08:08
 
+import api.models
 from django.db import migrations, models
+import uuid
 
 
 class Migration(migrations.Migration):
@@ -14,20 +16,25 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='Device',
             fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('serial', models.CharField(max_length=128, unique=True)),
+                ('serial', models.CharField(max_length=128, unique=True, validators=[api.models.device_validation])),
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
                 ('creation_time', models.DateTimeField(auto_now_add=True)),
                 ('updated_time', models.DateTimeField(auto_now=True)),
             ],
+            options={
+                'ordering': ['updated_time', 'serial'],
+            },
         ),
         migrations.CreateModel(
             name='WhiteList',
             fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('serial', models.CharField(max_length=128, unique=True)),
+                ('serial', models.CharField(max_length=128, primary_key=True, serialize=False)),
                 ('creation_time', models.DateTimeField(auto_now_add=True)),
                 ('updated_time', models.DateTimeField(auto_now=True)),
                 ('is_published', models.BooleanField(default=True)),
             ],
+            options={
+                'ordering': ['serial', 'updated_time'],
+            },
         ),
     ]
diff --git a/bite/api/migrations/0002_auto_20200601_1523.py b/bite/api/migrations/0002_auto_20200601_1523.py
deleted file mode 100644
index 2d77c86..0000000
--- a/bite/api/migrations/0002_auto_20200601_1523.py
+++ /dev/null
@@ -1,21 +0,0 @@
-# Generated by Django 3.0.6 on 2020-06-01 15:23
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('api', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.AlterModelOptions(
-            name='device',
-            options={'ordering': ['updated_time', 'serial']},
-        ),
-        migrations.AlterModelOptions(
-            name='whitelist',
-            options={'ordering': ['serial', 'updated_time']},
-        ),
-    ]
diff --git a/bite/api/migrations/0003_auto_20200602_2128.py b/bite/api/migrations/0003_auto_20200602_2128.py
deleted file mode 100644
index b01d214..0000000
--- a/bite/api/migrations/0003_auto_20200602_2128.py
+++ /dev/null
@@ -1,19 +0,0 @@
-# Generated by Django 3.0.6 on 2020-06-02 21:28
-
-import api.models
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('api', '0002_auto_20200601_1523'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='device',
-            name='serial',
-            field=models.CharField(max_length=128, unique=True, validators=[api.models.device_validation]),
-        ),
-    ]
diff --git a/bite/api/migrations/0004_device_uuid.py b/bite/api/migrations/0004_device_uuid.py
deleted file mode 100644
index e627420..0000000
--- a/bite/api/migrations/0004_device_uuid.py
+++ /dev/null
@@ -1,19 +0,0 @@
-# Generated by Django 3.0.6 on 2020-06-05 09:19
-
-from django.db import migrations, models
-import uuid
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('api', '0003_auto_20200602_2128'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='device',
-            name='uuid',
-            field=models.UUIDField(default=uuid.uuid4, editable=False, unique=True),
-        ),
-    ]
diff --git a/bite/api/models.py b/bite/api/models.py
index 7c2863c..b53e0c2 100644
--- a/bite/api/models.py
+++ b/bite/api/models.py
@@ -37,7 +37,7 @@ def device_validation(value):
 
 
 class WhiteList(models.Model):
-    serial = models.CharField(max_length=128, unique=True)
+    serial = models.CharField(primary_key=True, max_length=128)
     creation_time = models.DateTimeField(auto_now_add=True)
     updated_time = models.DateTimeField(auto_now=True)
     is_published = models.BooleanField(default=True)
@@ -52,7 +52,7 @@ class WhiteList(models.Model):
 class Device(models.Model):
     serial = models.CharField(max_length=128, unique=True,
                               validators=[device_validation])
-    uuid = models.UUIDField(unique=True, default=uuid.uuid4,
+    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4,
                             editable=False)
     creation_time = models.DateTimeField(auto_now_add=True)
     updated_time = models.DateTimeField(auto_now=True)
diff --git a/bite/telemetry/migrations/0001_initial.py b/bite/telemetry/migrations/0001_initial.py
index 924cb81..8ff1ba3 100644
--- a/bite/telemetry/migrations/0001_initial.py
+++ b/bite/telemetry/migrations/0001_initial.py
@@ -1,8 +1,9 @@
-# Generated by Django 3.0.6 on 2020-06-01 14:45
+# Generated by Django 3.1.3 on 2021-03-19 08:08
 
-import django.contrib.postgres.fields.jsonb
+import django.core.validators
 from django.db import migrations, models
 import django.db.models.deletion
+import telemetry.models
 
 
 class Migration(migrations.Migration):
@@ -17,10 +18,16 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='Telemetry',
             fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('time', models.DateTimeField(auto_now_add=True)),
-                ('payload', django.contrib.postgres.fields.jsonb.JSONField()),
-                ('device', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='api.Device')),
+                ('id', models.AutoField(primary_key=True, serialize=False)),
+                ('time', models.DateTimeField(auto_now_add=True, db_index=True)),
+                ('transport', models.CharField(choices=[('http', 'http'), ('mqtt', 'mqtt')], default='http', max_length=4)),
+                ('clock', models.IntegerField(null=True, validators=[django.core.validators.MinValueValidator(0)])),
+                ('payload', models.JSONField(validators=[telemetry.models.telemetry_validation])),
+                ('device', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='api.device')),
             ],
+            options={
+                'verbose_name_plural': 'Telemetry',
+                'ordering': ['-time', 'device'],
+            },
         ),
     ]
diff --git a/bite/telemetry/migrations/0002_auto_20200601_1557.py b/bite/telemetry/migrations/0002_auto_20200601_1557.py
deleted file mode 100644
index b6f83d2..0000000
--- a/bite/telemetry/migrations/0002_auto_20200601_1557.py
+++ /dev/null
@@ -1,17 +0,0 @@
-# Generated by Django 3.0.6 on 2020-06-01 15:57
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('telemetry', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.AlterModelOptions(
-            name='telemetry',
-            options={'ordering': ['time', 'device']},
-        ),
-    ]
diff --git a/bite/telemetry/migrations/0003_auto_20200602_2131.py b/bite/telemetry/migrations/0003_auto_20200602_2131.py
deleted file mode 100644
index b48039b..0000000
--- a/bite/telemetry/migrations/0003_auto_20200602_2131.py
+++ /dev/null
@@ -1,26 +0,0 @@
-# Generated by Django 3.0.6 on 2020-06-02 21:31
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('telemetry', '0002_auto_20200601_1557'),
-    ]
-
-    operations = [
-        migrations.AlterModelOptions(
-            name='telemetry',
-            options={'ordering': ['time', 'device'], 'verbose_name_plural': 'Telemetry'},
-        ),
-        migrations.RemoveField(
-            model_name='telemetry',
-            name='id',
-        ),
-        migrations.AlterField(
-            model_name='telemetry',
-            name='time',
-            field=models.DateTimeField(auto_now_add=True, primary_key=True, serialize=False),
-        ),
-    ]
diff --git a/bite/telemetry/migrations/0004_auto_20200602_2132.py b/bite/telemetry/migrations/0004_auto_20200602_2132.py
deleted file mode 100644
index 94f40bd..0000000
--- a/bite/telemetry/migrations/0004_auto_20200602_2132.py
+++ /dev/null
@@ -1,15 +0,0 @@
-# Generated by Django 3.0.6 on 2020-06-02 21:32
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('telemetry', '0003_auto_20200602_2131'),
-    ]
-
-    operations = [
-        migrations.RunSQL(
-            "SELECT create_hypertable('telemetry_telemetry', 'time');"),
-    ]
diff --git a/bite/telemetry/migrations/0005_telemetry_clock.py b/bite/telemetry/migrations/0005_telemetry_clock.py
deleted file mode 100644
index 476e345..0000000
--- a/bite/telemetry/migrations/0005_telemetry_clock.py
+++ /dev/null
@@ -1,19 +0,0 @@
-# Generated by Django 3.0.6 on 2020-06-03 13:08
-
-import django.core.validators
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('telemetry', '0004_auto_20200602_2132'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='telemetry',
-            name='clock',
-            field=models.IntegerField(null=True, validators=[django.core.validators.MinValueValidator(0)]),
-        ),
-    ]
diff --git a/bite/telemetry/migrations/0006_auto_20200603_1317.py b/bite/telemetry/migrations/0006_auto_20200603_1317.py
deleted file mode 100644
index 6ca695a..0000000
--- a/bite/telemetry/migrations/0006_auto_20200603_1317.py
+++ /dev/null
@@ -1,17 +0,0 @@
-# Generated by Django 3.0.6 on 2020-06-03 13:17
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('telemetry', '0005_telemetry_clock'),
-    ]
-
-    operations = [
-        migrations.AlterModelOptions(
-            name='telemetry',
-            options={'ordering': ['-time', 'device'], 'verbose_name_plural': 'Telemetry'},
-        ),
-    ]
diff --git a/bite/telemetry/migrations/0007_telemetry_transport.py b/bite/telemetry/migrations/0007_telemetry_transport.py
deleted file mode 100644
index 29395d8..0000000
--- a/bite/telemetry/migrations/0007_telemetry_transport.py
+++ /dev/null
@@ -1,18 +0,0 @@
-# Generated by Django 3.0.6 on 2020-06-08 20:07
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('telemetry', '0006_auto_20200603_1317'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='telemetry',
-            name='transport',
-            field=models.CharField(choices=[('http', 'http'), ('mqtt', 'mqtt')], default='http', max_length=4),
-        ),
-    ]
diff --git a/bite/telemetry/migrations/0008_auto_20200619_1627.py b/bite/telemetry/migrations/0008_auto_20200619_1627.py
deleted file mode 100644
index 799aa39..0000000
--- a/bite/telemetry/migrations/0008_auto_20200619_1627.py
+++ /dev/null
@@ -1,20 +0,0 @@
-# Generated by Django 3.0.7 on 2020-06-19 16:27
-
-import django.contrib.postgres.fields.jsonb
-from django.db import migrations
-import telemetry.models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('telemetry', '0007_telemetry_transport'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='telemetry',
-            name='payload',
-            field=django.contrib.postgres.fields.jsonb.JSONField(validators=[telemetry.models.telemetry_validation]),
-        ),
-    ]
diff --git a/bite/telemetry/migrations/0009_auto_20200823_1340.py b/bite/telemetry/migrations/0009_auto_20200823_1340.py
deleted file mode 100644
index 9558f8c..0000000
--- a/bite/telemetry/migrations/0009_auto_20200823_1340.py
+++ /dev/null
@@ -1,19 +0,0 @@
-# Generated by Django 3.1 on 2020-08-23 13:40
-
-from django.db import migrations, models
-import telemetry.models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('telemetry', '0008_auto_20200619_1627'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='telemetry',
-            name='payload',
-            field=models.JSONField(validators=[telemetry.models.telemetry_validation]),
-        ),
-    ]
diff --git a/bite/telemetry/models.py b/bite/telemetry/models.py
index 1e37c06..2854df9 100644
--- a/bite/telemetry/models.py
+++ b/bite/telemetry/models.py
@@ -30,8 +30,9 @@ def telemetry_validation(value):
 
 
 class Telemetry(models.Model):
+    id = models.AutoField(primary_key=True)
     device = models.ForeignKey(Device, on_delete=models.CASCADE)
-    time = models.DateTimeField(primary_key=True, auto_now_add=True)
+    time = models.DateTimeField(db_index=True, auto_now_add=True)
     transport = models.CharField(max_length=4,
                                  choices=[('http', 'http'), ('mqtt', 'mqtt')],
                                  default='http')
diff --git a/docker/django/Dockerfile b/docker/django/Dockerfile
index 7cd9284..8e14657 100644
--- a/docker/django/Dockerfile
+++ b/docker/django/Dockerfile
@@ -17,20 +17,20 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-FROM python:3.8-alpine AS builder
+FROM python:3.9-alpine AS builder
 RUN apk update && apk add gcc musl-dev postgresql-dev \
         && pip install psycopg2-binary
 
 # ---
 
-FROM python:3.8-alpine
+FROM python:3.9-alpine
 ENV PYTHONUNBUFFERED 1
 ENV DJANGO_SETTINGS_MODULE "bite.settings"
 
 RUN apk update && apk add --no-cache postgresql-libs \
         && wget https://github.com/jwilder/dockerize/releases/download/v0.6.1/dockerize-alpine-linux-amd64-v0.6.1.tar.gz -qO- \
         | tar -xz -C /usr/local/bin
-COPY --from=builder /usr/local/lib/python3.8/site-packages/ /usr/local/lib/python3.8/site-packages/
+COPY --from=builder /usr/local/lib/python3.9/site-packages/ /usr/local/lib/python3.9/site-packages/
 COPY --chown=1000:1000 requirements.txt /srv/app/bite/requirements.txt
 RUN pip3 install --no-cache-dir -r /srv/app/bite/requirements.txt
 
diff --git a/docker/docker-compose.dev.yml b/docker/docker-compose.dev.yml
index dcca815..0230502 100644
--- a/docker/docker-compose.dev.yml
+++ b/docker/docker-compose.dev.yml
@@ -40,6 +40,10 @@ services:
     volumes:
       - ../bite:/srv/app/bite
 
+  static-files:
+    volumes:
+      - ../bite:/srv/app/bite
+
   mqtt-to-db:
     volumes:
       - ../bite:/srv/app/bite
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 6e994f5..eac862f 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -54,7 +54,7 @@ services:
 
   broker:
     <<: *service_default
-    image: eclipse-mosquitto
+    image: eclipse-mosquitto:1.6
     volumes:
       - "./mqtt/mosquitto/mosquitto.conf:/mosquitto/config/mosquitto.conf"
     networks:
@@ -65,6 +65,8 @@ services:
   ingress:
     <<: *service_default
     image: nginx:stable-alpine
+    environment:
+      NGINX_ENTRYPOINT_QUIET_LOGS: 1
     ports:
       - "${CUSTOM_DOCKER_IP:-0.0.0.0}:80:80"
     networks:
diff --git a/docker/ntpd/Dockerfile b/docker/ntpd/Dockerfile
index eea5209..c2c2850 100644
--- a/docker/ntpd/Dockerfile
+++ b/docker/ntpd/Dockerfile
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-FROM alpine:3.9
+FROM alpine:3.12
 
 RUN apk update && apk add chrony && \
     chown -R chrony:chrony /var/lib/chrony
diff --git a/docker/simulator/Dockerfile b/docker/simulator/Dockerfile
index 971f342..6a59f02 100644
--- a/docker/simulator/Dockerfile
+++ b/docker/simulator/Dockerfile
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-FROM python:3.8-alpine
+FROM python:3.9-alpine
 
 RUN pip3 install urllib3 paho-mqtt
 COPY ./device_simulator.py /opt/bite/device_simulator.py