Add Django dbbackup

https://github.com/django-dbbackup/django-dbbackup

* use postgres v11 (because only this version exists in debian buster, too)
* update to python v3.9 in compose usage

.gitignore

@@ -8,6 +8,10 @@
 !/.style.yapf
 !.coveralls.yml
 
+# for django-dbbackup
+/backups/
+!/backups/.gitkeep
+
 # from test projects:
 /static/
 /media/

Dockerfile

@@ -1,9 +1,10 @@
-FROM python:3.7-slim-buster
+FROM python:3.9-slim-buster
+# https://hub.docker.com/_/python
 
 # Install deps
 RUN apt-get update \
     && apt-mark auto $(apt-mark showinstall) \
-    && apt-get install -y python3-pip \
+    && apt-get install -y postgresql-client-11 python3-pip \
     && apt autoremove \
     && apt -y full-upgrade \
     && rm -rf /var/lib/apt \

Makefile

@@ -146,6 +146,20 @@ logs_inventory:  ## Display docker logs from postgres container
 
 ##############################################################################
 
+dbbackup:  ## Backup database
+	./manage.sh dbbackup
+
+docker_dbbackup:  ## Backup database (Docker usage)
+	./compose.sh exec inventory ./manage.sh dbbackup
+
+dbrestore:  ## Restore a database backup
+	./manage.sh dbrestore
+
+docker_dbrestore:  ## Restore a database backup (Docker usage)
+	./compose.sh exec inventory ./manage.sh dbrestore
+
+##############################################################################
+
 restart: down up  ## Restart all containers
 
 upgrade_inventory: ## Upgrade "inventory" container and restart it

README.creole

@@ -76,6 +76,8 @@ down                 Stop all containers
 prune                Cleanup docker
 build                Update docker container build
 logs                 Display docker logs from all containers
+dbbackup             Backup database
+dbrestore            Restore a database backup
 restart              Restart all containers
 }}}
 

README.rst

@@ -113,6 +113,8 @@ prepare
     prune                Cleanup docker
     build                Update docker container build
     logs                 Display docker logs from all containers
+    dbbackup             Backup database
+    dbrestore            Restore a database backup
     restart              Restart all containers
 
 .env
@@ -244,4 +246,4 @@ donation
 
 ------------
 
-``Note: this file is generated from README.creole 2020-10-24 14:31:12 with "python-creole"``
+``Note: this file is generated from README.creole 2020-10-24 16:39:24 with "python-creole"``

docker-compose.yml

@@ -25,7 +25,7 @@ services:
 
     postgres:
         # https://hub.docker.com/_/postgres
-        image: postgres:13-alpine
+        image: postgres:11-alpine
         restart: "no"
         hostname: postgres
         ports:

inventory_project/settings.py

@@ -39,6 +39,7 @@ INSTALLED_APPS = [
 
     'bx_py_utils',  # https://github.com/boxine/bx_py_utils
     'import_export',  # https://github.com/django-import-export/django-import-export
+    'dbbackup',  # https://github.com/django-dbbackup/django-dbbackup
     'ckeditor',  # https://github.com/django-ckeditor/django-ckeditor
     'reversion',  # https://github.com/etianen/django-reversion
     'reversion_compare',  # https://github.com/jedie/django-reversion-compare
@@ -142,6 +143,12 @@ STATIC_ROOT = str(__Path(BASE_PATH, 'static'))
 MEDIA_URL = '/media/'
 MEDIA_ROOT = str(__Path(BASE_PATH, 'media'))
 
+# _____________________________________________________________________________
+# Django-dbbackup
+
+DBBACKUP_STORAGE = 'django.core.files.storage.FileSystemStorage'
+DBBACKUP_STORAGE_OPTIONS = {'location': str(__Path(BASE_PATH, 'backups'))}
+
 # _____________________________________________________________________________
 # Django-Debug-Toolbar
 

poetry.lock

@@ -258,6 +258,19 @@ python-versions = "*"
 [package.dependencies]
 django-js-asset = ">=1.2.2"
 
+[[package]]
+name = "django-dbbackup"
+version = "3.3.0"
+description = "Management commands to help backup and restore a project database and media"
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+Django = ">=1.5"
+pytz = "*"
+six = "*"
+
 [[package]]
 name = "django-debug-toolbar"
 version = "3.1.1"
@@ -1178,7 +1191,7 @@ postgres = ["psycopg2-binary"]
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.7,<4.0.0"
-content-hash = "4ad32caba18b4f973eee3d59a129b1ccd5750289a60c07939e1ab2f973fb4940"
+content-hash = "d07f05b3cb200bb30974923869838af5e96a1935fdcbaa2e536f03f046583d90"
 
 [metadata.files]
 appdirs = [
@@ -1365,6 +1378,9 @@ django-ckeditor = [
     {file = "django-ckeditor-6.0.0.tar.gz", hash = "sha256:29fd1a333cb9741ac2c3fd4e427a5c00115ed33a2389716a09af7656022dcdde"},
     {file = "django_ckeditor-6.0.0-py2.py3-none-any.whl", hash = "sha256:cc2d377f1bdcd4ca1540caeebe85f7e2cd006198d57328ef6c718d3eaa5a0846"},
 ]
+django-dbbackup = [
+    {file = "django-dbbackup-3.3.0.tar.gz", hash = "sha256:bb109735cae98b64ad084e5b461b7aca2d7b39992f10c9ed9435e3ebb6fb76c8"},
+]
 django-debug-toolbar = [
     {file = "django-debug-toolbar-3.1.1.tar.gz", hash = "sha256:c97921a9cd421d392e7860dc4b464db8e06c8628df4dc58fedab012888c293c6"},
     {file = "django_debug_toolbar-3.1.1-py3-none-any.whl", hash = "sha256:a1ce0665f7ef47d27b8df4b5d1058748e1f08500a01421a30d35164f38aaaf4c"},

pyproject.toml

@@ -45,6 +45,7 @@ gunicorn = "*"  # https://gunicorn.org/
 django = "2.2.*"
 django-debug-toolbar = "*"  # http://django-debug-toolbar.readthedocs.io/en/stable/changes.html
 django-import-export = "*"  # https://github.com/django-import-export/django-import-export
+django-dbbackup = "*"  # https://github.com/django-dbbackup/django-dbbackup
 django-tools = "*"  # https://github.com/jedie/django-tools/
 django-reversion-compare = "*"  # https://github.com/jedie/django-reversion-compare/
 django-ckeditor = "*"  # https://github.com/django-ckeditor/django-ckeditor