Make custom wikicafe image optional, non-default

.env.sample

@@ -7,6 +7,9 @@ LETS_ENCRYPT_ENV=production
 
 COMPOSE_FILE="compose.yml"
 
+# custom wiki.cafe image, for working oauth2 support
+#COMPOSE_FILE="$COMPOSE_FILE:compose.wikicafe.yml"
+
 # Predefined "owner" security
 #COMPOSE_FILE="$COMPOSE_FILE:compose.owner.yml"
 

compose.wikicafe.yml

@@ -0,0 +1,6 @@
+---
+version: "3.8"
+
+services:
+  app:
+    image: git.coopcloud.tech/wiki-cafe/wiki-farm:latest

compose.yml

@@ -3,7 +3,7 @@ version: "3.8"
 
 services:
   app:
-    image: git.coopcloud.tech/wiki-cafe/wiki-farm:latest
+    image: dobbs/farm:1.0.13
     command: /bin/sh config/install.sh
     volumes:
       - "fedwiki_friends:/home/node/config"