tinkered around to get this app running inside a container using alpine and socket based psql

.dockerignore

@@ -0,0 +1 @@
+start_server.sh

Dockerfile

@@ -0,0 +1,6 @@
+FROM alpine:latest
+RUN apk add --no-cache python3 py3-pip python3-dev py3-setuptools gcc python3-dev jpeg-dev zlib-dev musl-dev py3-gunicorn
+COPY . /home/shimatta/kenkyusho
+WORKDIR /home/shimatta/kenkyusho
+RUN python3 -m venv /home/shimatta/kenkyusho/.venv && . /home/shimatta/kenkyusho/.venv/bin/activate && pip install -r requirements.txt
+ENTRYPOINT ["/home/shimatta/kenkyusho/entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+source /home/shimatta/kenkyusho/.venv/bin/activate
+cd /home/shimatta/kenkyusho/shimatta_kenkyusho
+python manage.py migrate --settings shimatta_kenkyusho.settings_production
+python manage.py collectstatic --settings shimatta_kenkyusho.settings_production 
+gunicorn -w 4 shimatta_kenkyusho.wsgi:application

requirements.txt

@@ -14,7 +14,6 @@ lazy-object-proxy==1.6.0
 MarkupSafe==2.0.1
 mccabe==0.6.1
 Pillow==8.3.1
-psycopg2==2.9.1
 pylint==2.9.6
 pytz==2021.1
 qrcode==7.2
@@ -23,3 +22,5 @@ six==1.16.0
 sqlparse==0.4.1
 toml==0.10.2
 wrapt==1.12.1
+psycopg2-binary==2.9.9
+gunicorn==21.2.0

shimatta_kenkyusho/shimatta_kenkyusho/settings_production.py

@@ -138,6 +138,7 @@ DATABASES = {
         'USER': db_user,
         'PASSWORD': db_pw,
         'HOST': get_env_value('DJANGO_POSTGRESQL_SOCKET'),
+        'PORT': get_env_value('DJANGO_POSTGRESQL_PORT'),
     }
 }
 

start_server.sh

@@ -0,0 +1 @@
+podman run -it -e DJANGO_SECRET_KEY=<secret_key> -e DJANGO_ALLOWED_HOST=parts.shimatta.net -e DJANGO_STATIC_ROOT=/var/static -e DJANGO_MEDIA_URL=media -e DJANGO_MEDIA_ROOT=/var/media -e DJANGO_POSTGRESQL_SOCKET=host.docker.internal -e DJANGO_POSTGRESQL_PORT=2345 -e DJANGO_POSTGRESQL_USER=<db_user> -e DJANGO_POSTGRESQL_PW=<db_pass> -v /var/parts/static:/var/static -v /var/parts/media:/var/media -p 8000:8000 --entrypoint /bin/sh localhost/kenkyusho:0.1