feat: add dynamic versioning and automated deployment with rollback capability

- Implement setuptools-scm for dynamic version management from git tags
- Refactor CI/CD into separate build and deploy jobs with artifact sharing
- Add versioned releases with timestamp-based deployment directories
- Implement health checks and automatic rollback on deployment failure
- Extract deployment logic into reusable shell scripts
- Add Docker layer caching to speed up builds
- Include version info in Django context and build args

src/pkmntrade_club/django_project/settings.py

@@ -4,6 +4,8 @@ import environ
 import os
 import logging
 import sys
+from django.utils.translation import gettext_lazy as _
+from pkmntrade_club._version import __version__, get_version_info
 
 # set default values to local dev values
 env = environ.Env(
@@ -84,6 +86,9 @@ CACHE_TIMEOUT = env('CACHE_TIMEOUT')
 DISABLE_SIGNUPS = env('DISABLE_SIGNUPS')
 DISABLE_CACHE = env('DISABLE_CACHE')
 
+VERSION = __version__
+VERSION_INFO = get_version_info()
+
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/dev/howto/deployment/checklist/
 
@@ -213,6 +218,7 @@ TEMPLATES = [
                 "django.contrib.auth.context_processors.auth",
                 "django.contrib.messages.context_processors.messages",
                 "pkmntrade_club.common.context_processors.cache_settings",
+                "pkmntrade_club.common.context_processors.version_info",
             ],
         },
     },