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Diffstat (limited to 'impl-merchant.rst')
| -rw-r--r-- | impl-merchant.rst | 50 |
1 files changed, 38 insertions, 12 deletions
diff --git a/impl-merchant.rst b/impl-merchant.rst index 1a6271ee..45c83baf 100644 --- a/impl-merchant.rst +++ b/impl-merchant.rst @@ -29,19 +29,45 @@ The following data and facilities have to be set up, in order to run an exchange * Instances * Exchanges -=============================== -Operating the Merchant Frontend -=============================== +------ +Keying +------ -Do we really want to keep this in a "how to run a Taler component" section? -A merchant FE is not really a Taler 'component'. +The merchant backend can serve HTTP over both TCP and UNIX domain socket. -+++++++++++++ -Configuration -+++++++++++++ +The following values are to be configured under the section `[merchant]`: -The following data and facilities have to be set up, in order to run an exchange: +* `SERVE`: must be set to `tcp` to serve HTTP over TCP, or `unix` to serve HTTP over a UNIX domain socket +* `PORT`: set to the TCP port to listen on if `SERVE` is `tcp`. +* `UNIXPATH`: set to the UNIX domain socket path to listen on if `SERVE` is `unix` +* `UNIXPATH_MODE`: number giving the mode with the access permission mask for the `UNIXPATH` (i.e. 660 = rw-rw----). -* Backend -* Refund deadline -* Instances +-------- +Currency +-------- + +The merchant backend supports only one currency. This data is set under the respective +option `currency` in section `[taler]`. + +-------- +Database +-------- + +The option `db` under section `[merchant]` gets the DB backend's name the merchant +is going to use. So far, only `db = postgres` is supported. After choosing the backend, +it is mandatory to supply the connection string (namely, the database name). This is +possible in two ways: + +* via an environment variable: `TALER_MERCHANTDB_POSTGRES_CONFIG`. +* via configuration option `config`, under section `[merchantdb-BACKEND]`. For example, +the demo merchant is configured as follows: + +.. code-block:: text + + [merchant] + ... + db = postgres + ... + + [merchantdb-postgres] + config = postgres:///talerdemo |