infra/patchwork: systemd files and production.py settings

* systemd/patchwork-delivery*: on demand socket to take mail in a localhost
  TCP socket, to allow patchwork to be in a separate container from
  email.
* production.py: patchwork.settings.production file.
* pass.py: example pass.py file
diff --git a/infra/patchwork/systemd/patchwork.service b/infra/patchwork/systemd/patchwork.service
new file mode 100644
index 0000000..90ec4bb
--- /dev/null
+++ b/infra/patchwork/systemd/patchwork.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=Patchwork Daemon
+
+[Service]
+WorkingDirectory=/home/patchwork/patchwork
+User=patchwork
+Group=patchwork
+EnvironmentFile=/home/patchwork/patchwork.env 
+ExecStart=/usr/bin/python3 manage.py runserver 0.0.0.0:8000
+
+[Install]
+WantedBy=multi-user.target