diff --git a/gns3server/db/models/templates.py b/gns3server/db/models/templates.py
index f0100352c..5c271e436 100644
--- a/gns3server/db/models/templates.py
+++ b/gns3server/db/models/templates.py
@@ -78,6 +78,7 @@ class DockerTemplate(Template):
     console_resolution = Column(String)
     extra_hosts = Column(String)
     extra_volumes = Column(JSON)
+    extra_configs = Column(JSON)
     memory = Column(Integer)
     cpus = Column(Float)
     custom_adapters = Column(JSON)
diff --git a/gns3server/db_migrations/versions/8f2a1c4e9d3b_add_extra_configs_to_docker_templates.py b/gns3server/db_migrations/versions/8f2a1c4e9d3b_add_extra_configs_to_docker_templates.py
new file mode 100644
index 000000000..2be50f287
--- /dev/null
+++ b/gns3server/db_migrations/versions/8f2a1c4e9d3b_add_extra_configs_to_docker_templates.py
@@ -0,0 +1,26 @@
+"""add extra_configs to docker templates table
+
+Revision ID: 8f2a1c4e9d3b
+Revises: f0b0de2a9
+Create Date: 2026-08-14 10:00:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '8f2a1c4e9d3b'
+down_revision = 'f0b0de2a9'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+
+    op.add_column('docker_templates', sa.Column('extra_configs', sa.JSON()))
+
+
+def downgrade() -> None:
+
+    op.drop_column('docker_templates', 'extra_configs')