diff --git a/docs/docker/mariadb/docker-compose.yml b/docs/docker/mariadb/docker-compose.yml
index cad5b280..393c91b0 100644
--- a/docs/docker/mariadb/docker-compose.yml
+++ b/docs/docker/mariadb/docker-compose.yml
@@ -5,12 +5,13 @@ services:
     image: mariadb
     container_name: mariadb
     volumes:
-      - ./postgres:/var/lib/postgresql/data
+      - ./db:/var/lib/mysql
       - /etc/localtime:/etc/localtime:ro
     environment:
       - MARIADB_USER=gancio
       - MARIADB_DATABASE=gancio
       - MARIADB_PASSWORD=gancio
+      - MARIADB_RANDOM_ROOT_PASSWORD=yes
     restart: always
   gancio:
     build: .
@@ -21,6 +22,11 @@ services:
       - PATH=$PATH:/home/node/.yarn/bin
       - GANCIO_DATA=/home/node/data
       - NODE_ENV=production
+      - GANCIO_DB_DIALECT=mariadb
+      - GANCIO_DB_HOST=db
+      - GANCIO_DB_DATABASE=gancio
+      - GANCIO_DB_USER=gancio
+      - GANCIO_DB_PASSWORD=gancio
     command: gancio start --docker
     entrypoint: /entrypoint.sh
     volumes:
diff --git a/docs/docker/postgres/docker-compose.yml b/docs/docker/postgres/docker-compose.yml
index 0414194e..b4e5de8c 100644
--- a/docs/docker/postgres/docker-compose.yml
+++ b/docs/docker/postgres/docker-compose.yml
@@ -24,6 +24,11 @@ services:
       - PATH=$PATH:/home/node/.yarn/bin
       - GANCIO_DATA=/home/node/data
       - NODE_ENV=production
+      - GANCIO_DB_DIALECT=postgres
+      - GANCIO_DB_HOST=db
+      - GANCIO_DB_DATABASE=gancio
+      - GANCIO_DB_USER=gancio
+      - GANCIO_DB_PASSWORD=gancio      
     command: gancio start --docker
     entrypoint: /entrypoint.sh
     volumes:
diff --git a/docs/docker/sqlite/docker-compose.yml b/docs/docker/sqlite/docker-compose.yml
index e5e3fa18..1ed645bf 100644
--- a/docs/docker/sqlite/docker-compose.yml
+++ b/docs/docker/sqlite/docker-compose.yml
@@ -10,6 +10,8 @@ services:
       - PATH=$PATH:/home/node/.yarn/bin
       - GANCIO_DATA=/home/node/data
       - NODE_ENV=production
+      - GANCIO_DB_DIALECT=sqlite
+      - GANCIO_DB_STORAGE=./gancio.sqlite
     entrypoint: /entrypoint.sh
     command: gancio start --docker
     volumes:
diff --git a/docs/install/backup.md b/docs/install/backup.md
index 8b8f5e9d..169cf616 100644
--- a/docs/install/backup.md
+++ b/docs/install/backup.md
@@ -23,7 +23,7 @@ sudo -u postgres pg_dump -Fc gancio > gancio.dump
 1. Archive database, configuration, custom user locales, logs, images and thumbnails
 ```bash
 sudo tar -czf gancio-$(date +%Y-%m-%d-%H%M%S)-backup.tgz  \
-  $(ls -d config.json uploads user_locale db.sqlite gancio.dump postgres data logs 2> /dev/null)
+  $(ls -d config.json uploads user_locale db.sqlite gancio.dump postgres data db logs 2> /dev/null)
 ```
 
 > info "Automatic backup"