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Add static support and health-check (#17)
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@ -1,3 +1,3 @@
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# BITE - BasicIoTExample
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# BITE - Basic/IoT/Example
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Playing with IoT
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@ -37,6 +37,9 @@ INSTALLED_APPS = [
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'django.contrib.sessions',
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'django.contrib.messages',
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'django.contrib.staticfiles',
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'health_check',
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'health_check.db',
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# 'health_check.storage',
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'rest_framework',
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'api',
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'telemetry',
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@ -126,6 +129,8 @@ USE_TZ = True
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STATIC_URL = '/static/'
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STATIC_ROOT = '/srv/appdata/bite/static'
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SKIP_WHITELIST = True
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MQTT_BROKER = {
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@ -22,6 +22,7 @@ from telemetry import urls as telemetry_urls
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urlpatterns = [
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path('admin/', admin.site.urls),
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path('ht/', include('health_check.urls')),
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path('api/', include(api_urls)),
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path('telemetry/', include(telemetry_urls)),
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]
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@ -0,0 +1 @@
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default_app_config = 'telemetry.apps.TelemetryConfig'
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@ -1,5 +1,10 @@
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from django.apps import AppConfig
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from health_check.plugins import plugin_dir
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class TelemetryConfig(AppConfig):
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name = 'telemetry'
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def ready(self):
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from telemetry.health import MQTTHealthCheck
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plugin_dir.register(MQTTHealthCheck)
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24
bite/telemetry/health.py
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24
bite/telemetry/health.py
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import socket
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import paho.mqtt.client as mqtt
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from health_check.backends import BaseHealthCheckBackend
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from health_check.exceptions import ServiceUnavailable
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from django.conf import settings
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MQTT_HOST = settings.MQTT_BROKER['HOST']
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MQTT_PORT = int(settings.MQTT_BROKER['PORT'])
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class MQTTHealthCheck(BaseHealthCheckBackend):
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critical_service = True
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def check_status(self):
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client = mqtt.Client(client_id="django-hc")
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try:
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client.connect(MQTT_HOST, port=MQTT_PORT)
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client.disconnect()
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except (socket.gaierror, ConnectionRefusedError):
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self.add_error(ServiceUnavailable("Connection refused"))
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def identifier(self):
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return self.__class__.__name__
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@ -1,3 +1,4 @@
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import socket
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import asyncio
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import json
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import time
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@ -46,8 +47,11 @@ class Command(BaseCommand):
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try:
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client.connect(MQTT_HOST, MQTT_PORT)
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break
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except ConnectionRefusedError:
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self.stdout.write('WARNING: Broker not available')
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except (socket.gaierror, ConnectionRefusedError):
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self.stdout.write(
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self.style.WARNING('WARNING: Broker not available'))
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time.sleep(5)
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self.stdout.write(self.style.SUCCESS('INFO: Broker subscribed'))
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client.disconnect()
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asyncio.run(self.mqtt_broker())
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@ -15,7 +15,10 @@ COPY --from=builder /usr/local/lib/python3.8/site-packages/ /usr/local/lib/pytho
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COPY --chown=1000:1000 bite /srv/app/bite
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COPY --chown=1000:1000 requirements.txt /tmp/requirements.txt
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RUN pip3 install -r /tmp/requirements.txt && rm /tmp/requirements.txt
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RUN mkdir -p /srv/appdata/bite/static \
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&& chown -R 1000:1000 /srv/appdata/bite \
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&& pip3 install -r /tmp/requirements.txt \
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&& rm /tmp/requirements.txt
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USER 1000:1000
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WORKDIR /srv/app/bite
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21
docker/docker-compose.dev.yml
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21
docker/docker-compose.dev.yml
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version: "3.7"
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services:
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timescale:
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ports:
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- "5432:5432"
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bite:
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volumes:
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- ../bite:/srv/app/bite
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command: ["python3", "manage.py", "runserver", "0.0.0.0:8000"]
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ports:
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- "8000:8000"
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data-migration:
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volumes:
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- ../bite:/srv/app/bite
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mqtt-to-db:
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volumes:
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- ../bite:/srv/app/bite
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@ -1,20 +1,15 @@
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version: "3.7"
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services:
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ingress:
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# command: --providers.docker # For traefik only
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ports:
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- "80:80"
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bite:
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volumes:
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- "./django/production.py.sample:/srv/app/bite/bite/production.py"
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- ./django/production.py.sample:/srv/app/bite/bite/production.py
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command: ["gunicorn", "-b", "0.0.0.0:8000", "bite.wsgi:application"]
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data-migration:
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volumes:
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- "./django/production.py.sample:/srv/app/bite/bite/production.py"
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- ./django/production.py.sample:/srv/app/bite/bite/production.py
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mqtt-to-db:
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volumes:
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- "./django/production.py.sample:/srv/app/bite/bite/production.py"
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- ./django/production.py.sample:/srv/app/bite/bite/production.py
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@ -5,6 +5,7 @@ networks:
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volumes:
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pgdata:
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staticdata:
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x-op-service-default: &service_default
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restart: always # unless-stopped
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@ -44,25 +45,13 @@ services:
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<<: *service_default
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image: nginx:stable-alpine
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ports:
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- "8000:80"
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- "80:80"
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networks:
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- net
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volumes:
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- ./nginx/nginx.conf:/etc/nginx/nginx.conf
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- staticdata:/srv/appdata/bite/static
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- ./ingress/nginx.conf:/etc/nginx/nginx.conf
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# User traefix instead of nginx
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# ingress:
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# <<: *service_default
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# image: traefik:v2.2
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# command: --api.insecure=true --providers.docker
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# ports:
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# - "8000:80"
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# - "8080:8080"
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# networks:
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# - net
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# volumes:
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# # So that Traefik can listen to the Docker events
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# - /var/run/docker.sock:/var/run/docker.sock
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bite:
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<<: *service_default
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@ -70,33 +59,31 @@ services:
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context: ..
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dockerfile: ./docker/django/Dockerfile
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image: daniviga/bite
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volumes:
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- "../bite:/srv/app/bite"
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command: ["python3", "manage.py", "runserver", "0.0.0.0:8000"]
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command: ["gunicorn", "-b", "0.0.0.0:8000", "bite.wsgi:application"]
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networks:
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- net
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depends_on:
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- ingress
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- data-migration
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- timescale
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labels:
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- "traefik.http.routers.bite.rule=PathPrefix(`/`)"
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data-migration:
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image: daniviga/bite
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volumes:
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- "../bite:/srv/app/bite"
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command: ["dockerize", "-wait", "tcp://timescale:5432", "python3", "manage.py", "migrate", "--noinput"]
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networks:
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- net
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depends_on:
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- timescale
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static-files:
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image: daniviga/bite
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volumes:
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- staticdata:/srv/appdata/bite/static
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command: ["python3", "manage.py", "collectstatic", "--noinput"]
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mqtt-to-db:
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<<: *service_default
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image: daniviga/bite
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volumes:
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- "../bite:/srv/app/bite"
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command: ["python3", "manage.py", "mqtt-to-db"]
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networks:
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- net
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@ -2,5 +2,5 @@
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```bash
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export DOCKER_HOST='127.0.0.1:22375'
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docker-compose -f docker-compose.edge.yml up -d --scale device-http=4
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docker-compose -f docker-compose.modules.yml up -d --scale device-http=4
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```
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21
docker/ingress/docker-compose.traefik.yml
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21
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version: "3.7"
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services:
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ingress:
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<<: *service_default
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image: traefik:v2.2
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command: --api.insecure=true --providers.docker
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ports:
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- "8000:80"
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- "8080:8080"
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networks:
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- net
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volumes:
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# So that Traefik can listen to the Docker events
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- /var/run/docker.sock:/var/run/docker.sock
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restart: always
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init: true
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bite:
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labels:
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- "traefik.http.routers.bite.rule=PathPrefix(`/`)"
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proxy_connect_timeout 300;
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}
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location /static/ {
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root /srv/appdata/bite;
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}
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error_page 500 502 503 504 /50x.html;
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location = /50x.html {
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root /usr/share/nginx/html;
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Django
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djangorestframework
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django-health-check
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psycopg2-binary
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paho-mqtt==1.5.0
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asyncio-mqtt==0.5.0
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