Upgrade

Daria Barysheva

CAUTION

Before upgrade, it is strongly recommended to backup ADCM data. For more information, see Backup & Restore.

If you need to upgrade the previously installed version of ADCM, do the following:

Stop the adcm container.
```
$ sudo docker stop adcm
```
Remove the adcm container.
```
$ sudo docker container rm adcm
```
Download the Docker image that you need from the Arenadata Docker Registry.
```
$ sudo docker pull hub.arenadata.io/adcm/adcm:<version>
```
where <version> is a desired ADCM image version in one of the following formats:
- <major>.<minor>.<patch> — if you need a specific ADCM patch. For example, 2.0.0.
- <major>.<minor> — if you need the last patch within the selected ADCM version. For example, 2.0.
Note that before ADCM 2.0.0, the following format was used for versioning: YYYY.MM.DD.HH.

Create a new container based on the uploaded image.

$ sudo docker create --name adcm -p 8000:8000 -v /opt/adcm:/adcm/data hub.arenadata.io/adcm/adcm:<version>

Start the new adcm container.
```
$ sudo docker start adcm
```

IMPORTANT

If you use ADCM with an external database, the container must be run with the appropriate environment variables.

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