harness-drone/doc/setup/mysql.md

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> **NOTE** the mysql driver is disable until driver issue [#257](https://github.com/go-sql-driver/mysql/issues/257) is resolved
# MySQL
Drone comes with support for MySQL as an alternate database engine. To enable Postgres, you should specify the following environment variables:
```
DATABASE_DRIVER="mysql"
DATABASE_DATASOURCE="root:pa55word@tcp(localhost:3306)/drone"
```
## MySQL connection
The following is the standard URI connection scheme:
```
[username[:password]@][protocol[(address)]]/dbname[?options]
```
The components of this string are:
* `username` optional. Use this username when connecting to the MySQL instance.
* `password` optional. Use this password when connecting to the MySQL instance.
* `protocol` server protocol to connect with.
* `address` server address to connect to.
* `dbname` name of the database to connect to
* `?options` connection specific options
This is an example connection string:
```
root:pa55word@tcp(localhost:3306)/drone?autocommit=false
```
## MySQL options
See the official [driver documentation](https://github.com/go-sql-driver/mysql#parameters) for a full list of driver options.