diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2d16436..cc1e5f5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,6 +24,15 @@ build_master:
   only:
     - master 
 
+build_master_rpi3:
+  <<: *docker_build
+  script:
+    - *docker_login
+    - docker build --pull -t "$IMAGE_NAME:rpi3" .
+    - docker push "$IMAGE_NAME:rpi3"
+  tags:
+    - rpi3
+
 build:
   <<: *docker_build
   script:
diff --git a/README.md b/README.md
index 3a01d3c..00161a5 100644
--- a/README.md
+++ b/README.md
@@ -1,16 +1,35 @@
 # bitwarden_rs Backup
----
 
 Docker Containers for bitwarden_rs Backup.
 
 ## Usage
+
+The default tag `latest` should be used for a x86-64 system. If you try to run the container on a raspberry pi 3 you should use the tag `rpi3`. Also make sure that your bitwarden_rs container is named `bitwarden` otherwise you have to replace the container name in the `--volumes-from` section of the `docker run` call.
+
+### Automatic Backups 
+A cron daemon is running inside the container and the container keeps running in background.
+
+Start backup container with default settings (automatic backup at 5 am)
 ```sh
 docker run -d --restart=always --name bitwarden_backup --volumes-from=bitwarden registry.gitlab.com/1o/bitwarden_rs-backup/bw_backup
 ```
 
 Example for hourly backups
+```sh
+docker run -d --restart=always --name bitwarden_backup --volumes-from=bitwarden -e CRON_TIME="0 * * * *" registry.gitlab.com/1o/bitwarden_rs-backup/bw_backup
 ```
-docker run -d --restart=always --name bitwarden_backup --volumes-from=bitwarden -e CRON_TIME="0 * * * *" registry.gitlab.com/1o/bitwarden_rs-backup/bw_backup:latest
+
+### Manual Backups
+You can use the crontab of your host to schedule the backup and the container will only be running during the backup process.
+
+Example using the integrated Backup script. You can use Environment variables for database and backup location
+```sh
+docker run --rm --volumes-from=bitwarden registry.gitlab.com/1o/bitwarden_rs-backup/bw_backup /bachkup.sh
+```
+
+If you want to run the sqlite commands manually you can use the following command
+```sh
+docker run --rm --volumes-from=bitwarden registry.gitlab.com/1o/bitwarden_rs-backup/bw_backup sqlite3 $DB_FILE ".backup $BACKUP_FILE"
 ```
 
 ## Environment variables