diff --git a/mailhog/metadata.yml b/mailhog/metadata.yml
new file mode 100644
index 0000000..824e02b
--- /dev/null
+++ b/mailhog/metadata.yml
@@ -0,0 +1,31 @@
+docker-image: docker.0k.io/mailhog:1.0.1  ## from: mailhog/mailhog:v1.0.1
+data-resources:
+  - /home/mailhog
+
+default-options:
+
+uses:
+  web-proxy:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: recommended
+    auto: pair
+    solves:
+      proxy: "Public access"
+    default-options:
+      target: !var-expand ${MASTER_BASE_SERVICE_NAME}:8025
+  backup:
+    constraint: recommended
+    auto: pair
+    solves:
+      backup: "Automatic regular backup"
+    default-options:
+      ## First pattern matching wins, no pattern matching includes.
+      ## include-patterns are checked first, then exclude-patterns
+      ## Patterns rules:
+      ##  - ending / for directory
+      ##  - '*' authorized
+      ##  - must start with a '/', will start from $SERVICE_DATASTORE
+      #exclude-patterns:
+      #  - "/var/lib/odoo/sessions/"
+