Add Dockerfile

.dockerignore

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+Dockerfile
+docker-compose.yml
+venv/
+VENV/
+__pycache__/

.gitignore

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 __pycache__
 .env
 interna/media/
+venv/
 VENV/
 .mypy_cache/

Dockerfile

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+# Docker image for Interna.
+#
+# Please set the following env vars:
+#
+# - SECRET_KEY=...
+# - DATABASE_URL='postgres://<postgres-host>/<database-name>'
+# - SITE_DOMAIN='https://<domain>[:<port>]'
+# - ALLOWED_HOST='<domain>'
+# - SMTP_HOST=...
+# - SMTP_PORT=...
+# - SMTP_USER=...
+# - SMTP_PASS=...
+#
+# See docker-compose.yml as an example on how to run this image.
+
+FROM docker.io/python:3.9-slim-bullseye
+
+# Add requirements file
+ADD requirements.txt /code/requirements.txt
+WORKDIR /code
+
+# Install dependencies
+RUN apt-get update -qq \
+ && apt-get install -yq --no-install-recommends \
+    dumb-init \
+ && rm -rf /var/lib/apt/lists/*
+RUN pip install -r requirements.txt
+
+# Add code
+ADD . /code
+
+# Set env vars
+ENV DJANGO_DEBUG=False
+
+# Collect static files
+RUN SECRET_KEY=tmp interna/manage.py collectstatic
+
+# Entry point
+ENTRYPOINT ["/usr/bin/dumb-init", "--"]
+CMD ["/bin/bash", "entrypoint.sh"]

docker-compose.yml

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+# Note: This config is not currently set up for development,
+# it's meant mostly as an example for a productive deployment.
+#
+# This setup currently does not serve static files. In order to serve static
+# files, mount the /code/interna/static directory to a directory on the host
+# and configure your web server to serve these files on /static/.
+
+version: "3.9"
+
+volumes:
+  interna-data:
+
+services:
+  db:
+    image: docker.io/postgres:14-alpine
+    volumes:
+      - interna-data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U interna"]
+      interval: 30s
+      timeout: 30s
+      retries: 3
+    environment:
+      - POSTGRES_DB=interna
+      - POSTGRES_USER=interna
+      - POSTGRES_PASSWORD=TODO-CHANGEME
+  web:
+    build: .
+    ports:
+      - "8000:8000"
+    environment:
+      SECRET_KEY: TODO-CHANGEME
+      DATABASE_URL: postgres://interna:TODO-CHANGEME@db/interna
+      SITE_DOMAIN: http://localhost:8000
+      ALLOWED_HOST: localhost
+      SMTP_HOST: TODO-CHANGEME
+      SMTP_PORT: 1234
+      SMTP_USER: TODO-CHANGEME
+      SMTP_PASS: TODO-CHANGEME
+    depends_on:
+      - db

entrypoint.sh

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+#!/usr/bin/env bash
+#
+# Entry point script for Docker
+set -euo pipefail
+
+if [ -z "${SECRET_KEY:-}" ]; then
+    echo 'Error: Missing SECRET_KEY env variable.'
+    echo 'You can generate a secret key with `openssl rand -hex 32`.'
+    exit 1
+fi
+if [ -z "${DATABASE_URL:-}" ]; then
+    echo 'Error: Missing DATABASE_URL env variable.'
+    exit 1
+fi
+if [ -z "${SITE_DOMAIN:-}" ]; then
+    echo 'Error: Missing SITE_DOMAIN env variable.'
+    exit 1
+fi
+if [ -z "${SMTP_HOST:-}" ] || [ -z "${SMTP_USER:-}" ] || [ -z "${SMTP_PASS:-}" ] || [ -z "${SMTP_PORT:-}" ]; then
+    echo 'Error: Missing SMTP_* env variables.'
+    exit 1
+fi
+
+cd interna
+
+# We need to wait for the database to be ready until we can run migrations.
+# To do this, retry up to 15 times to run the migrations. Once that worked,
+# we can assume that the database is up and ready.
+success=0
+retries=15
+for i in $(seq $retries); do
+    echo "Running migrations…"
+    ./manage.py migrate && success=1 && break || true
+    echo "Database not yet ready, waiting ($i/$retries)…"
+    sleep 1
+done
+if [ "$success" -eq 1 ]; then
+    echo "Database is up, all migrations applied"
+else
+    echo "Timed out waiting for database"
+    exit 1
+fi
+
+echo "Create cache table…"
+./manage.py createcachetable
+
+echo "Start server…"
+gunicorn config.wsgi:application -n interna -b 0.0.0.0:8000 -w 4 --log-level warning