diff --git a/.env.sample b/.env.sample
index be0fc56..a0d398c 100644
--- a/.env.sample
+++ b/.env.sample
@@ -3,6 +3,7 @@ TYPE=foodsoft
 DOMAIN=order.example.org
 #EXTRA_DOMAINS=', `www.order.example.com`'
 LETS_ENCRYPT_ENV=production
+COMPOSE_FILE="compose.yml"
 
 # app settings
 FOODCOOP_MULTI_INSTALL=true  # Best for now, see https://github.com/foodcoops/foodsoft/pull/841
@@ -16,6 +17,8 @@ FOODCOOP_ZIP_CODE=XXX
 FOODCOOP_HOMEPAGE=https://order.example.org
 FOODCOOP_HELP_URL=https://order.example.org
 FOODCOOP_TIME_ZONE=Amsterdam
+FOODCOOP_USE_NICK=true
+FOODCOOP_LANGUAGE=en
 FOODCOOP_FOOTER='<a href="https://example.org/">example</a> hosted by <a href="https://yourhoster.org">Your Tech Co-op</a>.'
 USE_APPLE_POINTS=false
 STOP_ORDERING_UNDER=75
@@ -28,13 +31,17 @@ MYSQL_PORT=3306
 MYSQL_USER=foodsoft
 
 # shared supplier list settings
-# COMPOSE_FILE="compose.yml:compose.sharedlists.yml"
+# COMPOSE_FILE="$COMPOSE_FILE:compose.sharedlists.yml"
 # ENABLE_SHARED_LISTS=0
 # SHARED_LISTS_DB_TYPE=mysql2
 # SHARED_LISTS_HOST=order.otherfoodcoop.org
 # SHARED_LISTS_DB_NAME=sharedlists
 # SHARED_LISTS_USER=example
 
+# Group order invoices generation pull request 
+# https://github.com/foodcoops/foodsoft/pull/907
+# COMPOSE_FILE="$COMPOSE_FILE:compose.groupOrderInvoice.yml"
+
 # outgoing mail settings
 EMAIL_SENDER=noreply@example.org
 EMAIL_ERROR=systems@example.org
diff --git a/abra.sh b/abra.sh
index 04144c8..cf304e2 100644
--- a/abra.sh
+++ b/abra.sh
@@ -1,4 +1,4 @@
-export APP_CONFIG_VERSION=v4
+export APP_CONFIG_VERSION=v5
 export DB_CONFIG_VERSION=v1
 export ENTRYPOINT_VERSION=v1
 export PRODUCTION_ENV_VERSION=v1
diff --git a/app_config.yml.tmpl b/app_config.yml.tmpl
index e9a528e..f1e1a58 100644
--- a/app_config.yml.tmpl
+++ b/app_config.yml.tmpl
@@ -33,7 +33,7 @@ default: &defaults
   foodsoft_url: https://foodcoops.github.io
 
   # Default language
-  default_locale: en
+  default_locale: {{ env "FOODCOOP_LANGUAGE" }}
 
   # By default, foodsoft takes the language from the webbrowser/operating system.
   # In case you really want foodsoft in a certain language by default, set this to true.
@@ -86,7 +86,7 @@ default: &defaults
   # When use_nick is enabled, there will be a nickname field in the user form,
   # and the option to show a nickname instead of full name to foodcoop members.
   # Members of a user's groups and administrators can still see full names.
-  use_nick: true
+  use_nick: {{ env "FOODCOOP_USE_NICK" }}
 
   # Most plugins can be enabled/disabled here as well. Messages and wiki are enabled
   # by default and need to be set to false to disable. Most other plugins needs to
@@ -129,7 +129,7 @@ default: &defaults
   email_from: "{{ env "EMAIL_SENDER" }}"
 
   # domain to be used for reply emails
-  reply_email_domain: "{{ env "EMAIL_REPLY_DOMAIN" }}"
+  reply_email_domain: {{ env "EMAIL_REPLY_DOMAIN" }}
 
   # If your foodcoop uses a mailing list instead of internal messaging system
   #mailing_list: list@example.org
diff --git a/compose.groupOrderInvoice.yml b/compose.groupOrderInvoice.yml
new file mode 100644
index 0000000..3e2bdd8
--- /dev/null
+++ b/compose.groupOrderInvoice.yml
@@ -0,0 +1,12 @@
+---
+version: "3.8"
+
+services:
+  app:
+    image: viehlieb/foodsoft:2022-04-07_2
+  cron:
+    image: viehlieb/foodsoft:2022-04-07_2
+  worker:
+    image: viehlieb/foodsoft:2022-04-07_2
+  smtp:
+    image: viehlieb/foodsoft:2022-04-07_2
diff --git a/compose.yml b/compose.yml
index 054449b..07afaba 100644
--- a/compose.yml
+++ b/compose.yml
@@ -2,6 +2,7 @@
 version: "3.8"
 
 x-env: &env
+  CERTBOT_DISABLED: 1
   DOMAIN:
   EMAIL_ERROR:
   EMAIL_REPLY_DOMAIN:
@@ -18,12 +19,13 @@ x-env: &env
   FOODCOOP_STREET:
   FOODCOOP_TIME_ZONE:
   FOODCOOP_ZIP_CODE:
+  FOODCOOP_USE_NICK:
+  FOODCOOP_LANGUAGE:
   LOG_LEVEL:
-  MINIMUM_BALANCE:
-  MYSQL_DB: foodsoft
-  MYSQL_HOST: db
-  MYSQL_PORT: 3306
-  MYSQL_USER: foodsoft
+  MYSQL_DB:
+  MYSQL_HOST:
+  MYSQL_PORT:
+  MYSQL_USER:
   QUEUE: foodsoft_notifier
   REDIS_URL: redis://cache:6379
   SECRET_KEY_BASE_FILE: /run/secrets/secret_key_base
@@ -83,23 +85,23 @@ services:
 
   cron:
     image: foodcoops/foodsoft:4.7.1
+    secrets: *secrets
+    configs: *configs
+    entrypoint: *entrypoint
     environment:
       <<: *env
       FOODSOFT_SERVICE: cron
-    configs: *configs
-    entrypoint: *entrypoint
-    secrets: *secrets
     networks:
       - internal
 
   worker:
     image: foodcoops/foodsoft:4.7.1
+    secrets: *secrets
+    configs: *configs
+    entrypoint: *entrypoint
     environment:
       <<: *env
       FOODSOFT_SERVICE: worker
-    configs: *configs
-    entrypoint: *entrypoint
-    secrets: *secrets
     networks:
       - internal
 
@@ -127,8 +129,8 @@ services:
     image: "mariadb:10.6"
     command: "mysqld --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_520_ci"
     environment:
-      MYSQL_USER: foodsoft
-      MYSQL_DATABASE: foodsoft
+      MYSQL_USER: ${MYSQL_USER}
+      MYSQL_DATABASE: ${MYSQL_DB}
       MYSQL_PASSWORD_FILE: /run/secrets/db_password
       MYSQL_ROOT_PASSWORD_FILE: /run/secrets/db_root_password
     secrets:
@@ -138,7 +140,12 @@ services:
       - "db:/var/lib/mysql"
     networks:
       - internal
-
+    deploy:
+      labels:
+          backupbot.backup: "true"
+          backupbot.backup.pre-hook: 'mkdir -p /tmp/backup/ && mysqldump --single-transaction -u root -p"$$(cat /run/secrets/db_root_password)" $${MYSQL_DATABASE} > /tmp/backup/backup.sql'
+          backupbot.backup.post-hook: "rm -rf /tmp/backup"
+          backupbot.backup.path: "/tmp/backup/"
   cache:
     image: "redis:6"
     networks: