Merge pull request 'Implement #11 mhu/11-add-docker-compose-setup: Add compose setup' (#12) from mhu/11-add-docker-compose-setup into develop

Reviewed-on: #12
Reviewed-by: Stefan Strobel <stefan.strobel@shimatta.net>

.env.example

@@ -0,0 +1,32 @@
+####################################################################################################
+# Example configuration. Must be edited and copied to ".env" next to the compose.yaml
+####################################################################################################
+
+
+# Path to to mount as the directory for static data. Must be served by a webserver on the /static path
+DJANGO_STATIC_VOL=/path/to/static/root
+
+# Path to the media root. Must be served by a webserver on the media URL
+DJANGO_MEDIA_VOL=/path/to/media/root
+
+# folder for DB
+PGDATA_VOL=/path/to/pgdata 
+
+# Port to serve the App
+PORT=8000
+
+# Secret Key. Must be edited before deployment
+DJANGO_SECRET_KEY=534hj5jgh4365ghj35jgh245jgh24
+
+# Allowed host to be accessed. Currently it is only possible to specify a single URL
+DJANGO_ALLOWED_HOST=lab.example.com
+
+# Media URL for images and other content
+DJANGO_MEDIA_URL=media.lab.example.com/
+
+# DO NOT SET DEBUG MODE IN PRODUCTION
+# DJANGO_FORCE_DEV_MODE=True
+
+# Set this password if you want to use a custom postgres password. The db should be confined inside the docker network.
+# Using the standard PW is therefore not a problem
+# DJANGO_POSTGRESQL_PW=myfancynewpassword123donotsharemewithanyone

.gitignore

@@ -125,3 +125,6 @@ dmypy.json
 
 
 myenv/*
+
+run/*
+.env

Dockerfile

@@ -1,5 +1,5 @@
 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
+RUN apk add --no-cache python3 py3-pip python3-dev py3-setuptools gcc python3-dev jpeg-dev zlib-dev musl-dev py3-gunicorn curl
 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

compose.yaml

@@ -0,0 +1,48 @@
+services:
+  shimatta-kenkyusho-web:
+    build: .
+    volumes:
+      - "${DJANGO_STATIC_VOL:-./run/static}:/var/static"
+      - "${DJANGO_MEDIA_VOL:-./run/media}:/var/media"
+    environment:
+      DJANGO_POSTGRESQL_PW: "${DJANGO_POSTGRESQL_PW:-p4ssw0rd}"
+      DJANGO_POSTGRESQL_USER: "postgres"
+      DJANGO_SECRET_KEY: "${DJANGO_SECRET_KEY}"
+      DJANGO_ALLOWED_HOST: "${DJANGO_ALLOWED_HOST}"
+      DJANGO_STATIC_ROOT: "/var/static"
+      DJANGO_MEDIA_URL: "${DJANGO_MEDIA_URL}"
+      DJANGO_MEDIA_ROOT: "/var/media"
+      DJANGO_POSTGRESQL_SOCKET: "shimatta-kenkyusho-db"
+      DJANGO_POSTGRESQL_PORT: "5432"
+      DJANGO_FORCE_DEV_MODE: ${DJANGO_FORCE_DEV_MODE:-False}
+    ports:
+      - "${PORT}:8000"
+    networks:
+      - backendnet
+    depends_on:
+      shimatta-kenkyusho-db:
+        condition: service_healthy
+    healthcheck:
+      test: ["CMD-SHELL", "curl -f localhost:8000/healthcheck"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+      start_period: 30s
+
+  shimatta-kenkyusho-db:
+    image: postgres:16.5-alpine
+    environment:
+      POSTGRES_PASSWORD: "${DJANGO_POSTGRESQL_PW:-p4ssw0rd}"
+      POSTGRES_DB: "shimatta_kenkyusho"
+    volumes:
+      - "${PGDATA_VOL:-./run/pgdata}:/var/lib/postgresql/data"
+    networks:
+      - backendnet
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+networks:
+  backendnet:

entrypoint.sh

@@ -3,4 +3,4 @@ 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 --noinput
-gunicorn -w 4 shimatta_kenkyusho.wsgi:application
+gunicorn -w 4 --bind 0.0.0.0:8000 shimatta_kenkyusho.wsgi:application

entrypoint_self_hosted.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 runserver 0.0.0.0:8000 --settings shimatta_kenkyusho.settings_production

shimatta_kenkyusho/parts/urls.py

@@ -16,4 +16,5 @@ urlpatterns = [
     path('distributors/<slug:uuid>/', parts_views.DistributorDetailView.as_view(), name='parts-distributors-detail'),
     path('manufacturers/', parts_views.ManufacturersViewSet.as_view(), name='parts-manufacturers'),
     path("manufacturers/<slug:uuid>/", parts_views.ManufacturerDetailViewSet.as_view(), name='parts-manufacturers-detail'),
+    path("healthcheck/", parts_views.health_check_view, name='parts-health-check'),
 ]

shimatta_kenkyusho/parts/views.py

@@ -18,8 +18,10 @@ from .forms import *
 from django.db.models import Q
 from django.db.models.functions import Lower
 from django.forms import formset_factory
+from django.http import HttpResponse
 import uuid
 
+
 ParameterSearchFormSet = formset_factory(ComponentParameterSearchForm, extra=1)
 
 class QrSearchForm(forms.Form):
@@ -953,4 +955,12 @@ class ManufacturerDetailViewSet(LoginRequiredMixin, BaseTemplateMixin, DetailVie
         elif 'submit-manufacturer-edit' in request.POST:
             return self.edit_manufacturer(request)
         
-        return super().post(request, *args, **kwargs)
+        return super().post(request, *args, **kwargs)
+
+
+def health_check_view(request) -> HttpResponse:
+    """
+    Health checking view. Returns empty http response with HTTP status OK.
+    This will be used to check 
+    """
+    return HttpResponse(status=200)

shimatta_kenkyusho/shimatta_kenkyusho/settings_production.py

@@ -16,9 +16,13 @@ The following environment variables have to be set:
 - DJANGO_MEDIA_URL
 - DJANGO_MEDIA_ROOT
 - DJANGO_POSTGRESQL_SOCKET
+- DJANGO_POSTGRESQL_PORT
 
 The following can be set
+- DJANGO_POSTGRESQL_PW (assumed empty if missing)
+- DJANGO_POSTGRESQL_USER (assmumed empty if mssing)
 - DJANGO_SECURE_HSTS_SECONDS (defaults to 120)
+- DJANGO_FORCE_DEV_MODE
 
 """
 
@@ -46,8 +50,11 @@ SECRET_KEY = get_env_value('DJANGO_SECRET_KEY')
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = False
+if get_env_value('DJANGO_FORCE_DEV_MODE', default=False) == 'True':
+    DEBUG = True
 
-ALLOWED_HOSTS = ['localhost', get_env_value('DJANGO_ALLOWED_HOST')]
+
+ALLOWED_HOSTS = ['127.0.0.1', 'localhost', get_env_value('DJANGO_ALLOWED_HOST')]
 
 
 # Application definition
@@ -232,4 +239,4 @@ CSRF_COOKIE_SECURE = True
 
 SECURE_SSL_REDIRECT = False
 
-SECURE_HSTS_SECONDS = get_env_value('DJANGO_SECURE_HSTS_SECONDS', default=120)
+SECURE_HSTS_SECONDS = get_env_value('DJANGO_SECURE_HSTS_SECONDS', default=120)

start_docker_compose_interactive.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# Startup the db container
+docker-compose start shimatta-kenkyusho-db
+
+# Override entrypoint to get interactive shell
+docker-compose run --entrypoint="/bin/sh" -p 8000:8000 shimatta-kenkyusho-web