Added tip for copying the database when upgrading

This commit is contained in:
Henry Oswald 2015-12-01 16:17:15 +00:00
parent 5e00d8d3b4
commit 62908092b9

View file

@ -185,7 +185,17 @@ Once you are logged in as an admin user, you can visit `/admin/register` on your
*Please make sure to back up all Mongo, Redis and on-disk data before upgrading.*
Stop and remove the currently running ShareLaTeX container:
#### Migrations
Data stored in Mongodb will be automatically migrated to the latest schemea when upgrading docker releases. **This can make downgrades impossible.** One recommended technique is to test the migration first. This can be done by copying the mongodb database and doing a test run against the copied data.
```
db.copyDatabase(sharelatex,sharelatex-copy)
# start the container up pointing at the new db
--env SHARELATEX_MONGO_URL=mongodb://dockerhost/sharelatex-copy
```
#### Upgrade process
To use the new docker container stop and remove the currently running ShareLaTeX container:
```
$ docker stop sharelatex