switch kubernetes deployment to daphne server

Dockerfile

@@ -6,7 +6,7 @@ COPY ./requirements.txt /app/
 
 WORKDIR /app/
 
-RUN apt-get update && apt-get install build-essential libssl-dev libffi-dev -y && \
+RUN apt-get update && apt-get install build-essential libssl-dev libffi-dev libpq-dev -y && \
     mkdir /app/static/ && \
     pip install -r requirements.txt && \
     pip install psycopg2 && \
@@ -23,7 +23,7 @@ COPY --from=build /app/static /app/static/
 
 WORKDIR /app/
 
-RUN apt-get update && apt-get install build-essential libssl-dev libffi-dev -y && \
+RUN apt-get update && apt-get install build-essential libssl-dev libffi-dev libpq-dev -y && \
     pip install -r requirements.txt && \
     pip install psycopg2 && \
     adduser --system --home /app/ passbook && \

helm/passbook/templates/passbook-web-deployment.yaml

@@ -29,7 +29,7 @@ spec:
           image: "docker.pkg.beryju.org/passbook:{{ .Values.image.tag }}"
           imagePullPolicy: IfNotPresent
           command: ["/bin/sh","-c"]
-          args: ["./manage.py migrate && ./manage.py web"]
+          args: ["./manage.py migrate && daphne -p 8000 passbook.core.asgi:application"]
           ports:
             - name: http
               containerPort: 8000

passbook/app_gw/requirements.txt

@@ -3,3 +3,5 @@ urllib3[secure]
 channels
 service_identity
 websocket-client
+daphne<2.3.0
+asgiref~=2.3

passbook/core/asgi.py

@@ -0,0 +1,13 @@
+"""
+ASGI entrypoint. Configures Django and then runs the application
+defined in the ASGI_APPLICATION setting.
+"""
+
+import os
+
+import django
+from channels.routing import get_default_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "passbook.core.settings")
+django.setup()
+application = get_default_application()