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timelimit-server/Readme.md
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2019-06-24 00:00:00 +00:00

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# TimeLimit-Server
This is the server for the connected mode in TimeLimit.
## Clustering
This application only supports running a single instance of it.
When clustering, push messages do not work anymore between devices
connected to different devices and the rate limiting is per instance.
## Running
Option 1: Use a prebuilt docker image
Option 2: Install Node.JS (see below for detailed usage)
## Commands
### npm start
This runs all pending migrations and starts the server.
### npm run build
This "compiles" the application.
### npm run lint:fix
This fixes the causes of lint warnings (where possible).
## Configuration (environment variables)
- DATABASE_URL
- this specifies the database to use
- default value: ``sqlite://test.db`` (sqlite database in the source code directory)
- supports mysql, postgresql and sqlite (sqlite in development builds only because it's declared as dev dependency)
- looks like ``postgres://user:pass@example.com:5432/dbname``
- no extra setup needed
- when starting the application, the database tables are created/ migrated
- this only works for upgrading; if you intend to eventually downgrade, make a backup first (you should make backups in all cases before an upgrade)
- PORT
- the port at which the server should listen
- NODE_ENV
- should be set to ``production`` in production
- when using ``development``, then mails are not sent; instead they are written to a html file which is opened
- GOOGLE_PLAY_PUBLIC_KEY
- key for validating purchases
- purchases using google play don't work without it
- GOOGLE_SIGN_IN_CLIENT_ID
- token for validating sign in with google requests
- sign in with Google does not work without it
- MAIL_SENDER
- sender (for the from-field) for sent mails
- MAIL_TRANSPORT
- a JSON encoded configuration for nodemailer (object with service and auth)
- see <https://nodemailer.com/smtp/well-known/> for examples
- default value is ``null``
- MAIL_IMPRINT
- a string which is added to the footer of the sent mails
- default value: ``not defined``
- ADMIN_TOKEN
- a password which allows to use some APIs
- admin APIs are disabled when this is not set