initial commit

render.py

@@ -0,0 +1,26 @@
+#!/bin/python3
+
+VERSIONS = (
+    ('9', '3.6'),
+    ('10', '3.8'),
+    ('11', '3.10'),
+    ('12', 'edge'),
+)
+
+
+def render(dir_, postgres_version, alpine_version):
+    with open(f'{dir_}/template.Dockerfile') as f:
+        template = f.read()
+
+    rendered = template.format(alpine_version=alpine_version)
+
+    with open(f'{dir_}/{postgres_version}.Dockerfile', 'w') as f:
+        f.write('# This file is generated from template.Dockerfile. Do not edit it directly.\n')
+        f.write('###########################################################################\n\n')
+        f.write(rendered)
+
+
+if __name__ == '__main__':
+    for versions in VERSIONS:
+        render('backup', *versions)
+        render('restore', *versions)