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Added section how to persist data in README

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Stefan Verhoeven 2017-07-01 21:49:15 +02:00
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README.md
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@ -47,6 +47,29 @@ docker run -d -p 80:80 -h cartodb.example.com sverhoeven/cartodb
The chosen hostname should also resolve to an IP adress of the machine where the web server is running. The chosen hostname should also resolve to an IP adress of the machine where the web server is running.
Persistent data
---------------
To persist the PostgreSQL data, the PostGreSQL data dir (/var/lib/postgresql) must be persisted outside the Cartodb Docker container.
The PostGreSQL data dir is filled during the building of this Docker image and must be copied to the local filesystem and then the container must be started with the local copy volume mounted.
```bash
docker create --name cartodb_pgdata sverhoeven/cartodb
# Change to directory to save the Postgresql data dir (cartodb_pgdata) of the CartoDB image
docker cp cartodb_pgdata:/var/lib/postgresql $PWD/cartodb_pgdata
docker rm -f cartodb_pgdata
# Inside container cartodb_pgdata is owned by postgres (uid=105) user,
# it should be owned by same user on the local filesystem
sudo chown -R 105.105 $PWD/cartodb_pgdata
```
After this the CartoDB container will have a database that stays filled after restarts.
The CartoDB container can be started with
```
docker run -d -p 80:80 -h cartodb.example.com -v $PWD/cartodb_pgdata:/var/lib/postgresql sverhoeven/cartodb
```
Geocoder Geocoder
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