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Merge pull request #1763 from adonm/patch-1 

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@ -32,24 +32,24 @@ $ docker run --name some-%%REPO%% -d -p 8080:8080 %%IMAGE%%
Then, if you are running docker on Linux, you may access geonetwork at http://localhost:8080/geonetwork. Otherwise, replace `localhost` by the address of your docker machine.
## Set the data directory
## Set the data directory and H2 db file
The data directory is the location on the file system where the catalog stores much of its custom configuration and uploaded files. It is also where it stores a number of support files, used for various purposes (e.g.: Lucene index, spatial index, thumbnails).
The data directory is the location on the file system where the catalog stores much of its custom configuration and uploaded files. It is also where it stores a number of support files, used for various purposes (e.g.: Lucene index, spatial index, thumbnails). The default variant also uses a local H2 database to store the metadata catalog itself.
By default, geonetwork sets the data directory on `/usr/local/tomcat/webapps/geonetwork/WEB-INF/data`, but you may override this value by injecting an environment variable into the container: - `-e DATA_DIR=...` (defaults to `/usr/local/tomcat/webapps/geonetwork/WEB-INF/data`)
By default, geonetwork sets the data directory on `/usr/local/tomcat/webapps/geonetwork/WEB-INF/data` and H2 database file to the tomcat bin dir `/usr/local/tomcat/gn.h2.db`, but you may override these values by injecting environment variables into the container: - `-e DATA_DIR=...` (defaults to `/usr/local/tomcat/webapps/geonetwork/WEB-INF/data`) and `-e GEONETWORK_DB_NAME=...` (defaults to `gn` which sets up database `gn.h2.db` in tomcat bin dir `/usr/local/tomcat`). Note that setting the database location via `GEONETWORK_DB_NAME` only works from version 3.10.3 onwards.
For instance, to set the data directory to `/var/lib/geonetwork_data`:
## Persisting data
To set the data directory to `/var/lib/geonetwork/data` and H2 database file to `/var/lib/geonetwork/db/gn.h2.db` so they both persist through restarts:
```console
$ docker run --name some-%%REPO%% -d -p 8080:8080 -e DATA_DIR=/var/lib/geonetwork_data %%IMAGE%%
$ docker run --name some-%%REPO%% -d -p 8080:8080 -e DATA_DIR=/var/lib/geonetwork/data -e GEONETWORK_DB_NAME=/var/lib/geonetwork/db/gn %%IMAGE%%
```
## Persist data
If you want the data directory to live beyond restarts, or even destruction of the container, you can mount a directory from the docker engine's host into the container. - `-v /host/path:/path/to/data/directory`. For instance this, will mount the host directory `/host/geonetwork-docker` into `/var/lib/geonetwork_data` on the container:
If you want the data directory to live beyond restarts, or even destruction of the container, you can mount a directory from the docker engine's host into the container. - `-v /host/path:/path/to/data/directory`. For instance this, will mount the host directory `/host/geonetwork-docker` into `/var/lib/geonetwork` on the container:
```console
$ docker run --name some-%%REPO%% -d -p 8080:8080 -e DATA_DIR=/var/lib/geonetwork_data -v /host/geonetwork-docker:/var/lib/geonetwork_data %%IMAGE%%
$ docker run --name some-%%REPO%% -d -p 8080:8080 -e DATA_DIR=/var/lib/geonetwork/data -e GEONETWORK_DB_NAME=/var/lib/geonetwork/db/gn -v /host/geonetwork-docker:/var/lib/geonetwork %%IMAGE%%
```
## %%STACK%%