docker cleaner

Main/migrations/0033_solution_docker_instances.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.4 on 2022-05-08 12:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('Main', '0032_auto_20220408_0018'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='solution',
+            name='docker_instances',
+            field=models.JSONField(blank=True, default=list, null=True),
+        ),
+    ]

Main/models/solution.py

@@ -21,6 +21,7 @@ class Solution(models.Model):
     test = models.IntegerField(default=None, null=True, blank=True)
     set = models.ForeignKey(Set, null=True, blank=True, on_delete=models.SET_NULL)
     extras = models.JSONField(default=dict)
+    docker_instances = models.JSONField(null=True, blank=True, default=list)
 
     _solutionfiles = None