diff --git a/codimd/hooks/init b/codimd/hooks/init
new file mode 100755
index 00000000..3ce27eca
--- /dev/null
+++ b/codimd/hooks/init
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+init-config-add "\
+$SERVICE_NAME:
+  environment:
+    CMD_USECDN: \"false\"
+"
+# codimd create uploads folder with wrong permission
+
+mkdir -p "$SERVICE_DATASTORE/home/hackmd/app/public/uploads"
+chown -R 1500:1500 "$SERVICE_DATASTORE/home/hackmd/app/public/"
diff --git a/codimd/hooks/postgres_database-relation-joined b/codimd/hooks/postgres_database-relation-joined
new file mode 100755
index 00000000..2f1ae323
--- /dev/null
+++ b/codimd/hooks/postgres_database-relation-joined
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+## XXXvlab: this hook should go into a generic odoo image
+
+## XXXvlab: should get location of code
+CONFIG=$SERVICE_CONFIGSTORE/etc/odoo-server.conf
+
+. lib/common
+
+set -e
+
+PASSWORD="$(relation-get password)"
+USER="$(relation-get user)"
+DBNAME="$(relation-get dbname)"
+
+
+config-add "\
+services:
+  $MASTER_BASE_SERVICE_NAME:
+    environment:
+      CMD_DB_URL: postgres://$USER:$PASSWORD@$TARGET_SERVICE_NAME/$DBNAME
+"
+
+info "Configured $SERVICE_NAME code for $TARGET_SERVICE_NAME access."
diff --git a/codimd/metadata.yml b/codimd/metadata.yml
new file mode 100644
index 00000000..c8bc27dc
--- /dev/null
+++ b/codimd/metadata.yml
@@ -0,0 +1,63 @@
+docker-image: nabo.codimd.dev/hackmdio/hackmd:2.2.0
+data-resources:
+  - /home/hackmd/app/public/uploads
+# config-resources:
+#   ## XXXvlab: should this be there or declared dynamically in the relation that
+#   ## create/update this file ?
+#   # - /etc/odoo-server.conf
+
+# docker-compose:
+#  command:
+#    - odoo
+#    - --config=/opt/odoo/auto/odoo.conf
+  ## YYYvlab: useful ?
+#  tty: true
+#  environment:
+#    INITIAL_LANG: fr_FR
+#    LIST_DB: 'true'
+
+default-options:
+
+uses:
+  postgres-database:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: required
+    auto: summon
+    solves:
+      database: "main storage"
+    default-options:
+      extensions:
+        - unaccent
+  log-rotate:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: recommended
+    auto: pair
+    solves:
+      unmanaged-logs: "in docker logs"
+    #default-options:
+  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}:3000
+  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/"
+