From a455981a254d8259b812a0666348d295608c4daf Mon Sep 17 00:00:00 2001
From: decentral1se <hi@decentral1.se>
Date: Sun, 16 May 2021 23:13:05 +0200
Subject: [PATCH] Add external volume

---
 compose.mailman.yml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/compose.mailman.yml b/compose.mailman.yml
index 5282e9c..50c9d7f 100644
--- a/compose.mailman.yml
+++ b/compose.mailman.yml
@@ -2,10 +2,17 @@ version: "3.6"
 
 services:
   smtp:
+    volumes:
+      - "mailman-core:/opt/mailman/"
     configs:
       - source: postfix_override
         target: /overrides/postfix.cf
 
+volumes:
+  mailman-core:
+    # https://git.autonomic.zone/coop-cloud/mailman3/src/branch/master/compose.yml
+    external: true
+
 configs:
   postfix_override:
     name: ${STACK_NAME}_postfix_overrides_${POSTFIX_OVERRIDE_VERSION}