Remove PostgreSQL 12

.github/workflows/ci.yml

@@ -81,7 +81,7 @@ jobs:
         ports:
           - 6379:6379
       postgres:
-        image: postgres:12
+        image: postgres:13
         ports:
           - 5432:5432
         env:

README.md

@@ -51,7 +51,7 @@ _These features can be enabled during initial project setup._
 ## Constraints
 
 - Only maintained 3rd party libraries are used.
-- Uses PostgreSQL everywhere: 12 - 16 ([MySQL fork](https://github.com/mabdullahadeel/cookiecutter-django-mysql) also available).
+- Uses PostgreSQL everywhere: 13 - 16 ([MySQL fork](https://github.com/mabdullahadeel/cookiecutter-django-mysql) also available).
 - Environment variables for configuration (This won't work with Apache/mod_wsgi).
 
 ## Support this Project!

cookiecutter.json

@@ -18,7 +18,7 @@
   "windows": "n",
   "editor": ["None", "PyCharm", "VS Code"],
   "use_docker": "n",
-  "postgresql_version": ["16", "15", "14", "13", "12"],
+  "postgresql_version": ["16", "15", "14", "13"],
   "cloud_provider": ["AWS", "GCP", "Azure", "None"],
   "mail_service": [
     "Mailgun",

docs/1-getting-started/project-generation-options.rst

@@ -70,7 +70,6 @@ postgresql_version:
     2. 15
     3. 14
     4. 13
-    5. 12
 
 cloud_provider:
     Select a cloud provider for static & media files. The choices are:

tests/test_cookiecutter_generation.py

@@ -63,7 +63,6 @@ SUPPORTED_COMBINATIONS = [
     {"postgresql_version": "15"},
     {"postgresql_version": "14"},
     {"postgresql_version": "13"},
-    {"postgresql_version": "12"},
     {"cloud_provider": "AWS", "use_whitenoise": "y"},
     {"cloud_provider": "AWS", "use_whitenoise": "n"},
     {"cloud_provider": "GCP", "use_whitenoise": "y"},