updated readme with catalogue etc.

README.md

@@ -5,6 +5,35 @@ This is the Rust re-implementation of Samply.Spot.
 ## Local setup
 Spot can be run locally with the provided [docker-compose](./docker-compose.yml) which requires a running beam installation. This can be done by cloning the [beam repository](https://github.com/samply/beam) and running `./dev/beamdev demo`
 
+Spot can also be run from command line stating command parameters, like so:
+```bash
+cargo run -- --beam-proxy-url http://localhost:8081 --beam-app-id app1.proxy1.broker --beam-secret App1Secret --cors-origin any --bind-addr 127.0.0.1:8055 --catalogue-url https://raw.githubusercontent.com/samply/lens/main/packages/demo/public/catalogues/catalogue-dktk.json
+```
+
+The following environment variables are mandatory for the usage of Spot.
+```
+--beam-proxy-url <BEAM_PROXY_URL>
+    URL of the Beam Proxy, e.g. https://proxy1.broker.samply.de [env: BEAM_PROXY_URL=]
+--beam-app-id <BEAM_APP_ID>
+    Beam AppId of this application, e.g. spot.proxy1.broker.samply.de [env: BEAM_APP_ID=]
+--beam-secret <BEAM_SECRET>
+    Credentials to use on the Beam Proxy [env: BEAM_SECRET=]
+--cors-origin <CORS_ORIGIN>
+   Where to allow cross-origin resourse sharing from [env: CORS_ORIGIN=]
+```
+
+Optional environment variables:
+```
+--project <PROJECT>
+    Optional project name used by focus [env: PROJECT=]
+--catalogue-url <CATALOGUE_URL>
+    URL to catalogue.json file, if not stated, /catalogue endpoint is disabled [env: CATALOGUE_URL=]
+--prism-url <PRISM_URL>
+    URL to prism, if catalogue-url is not stated, this is never used [env: PRISM_URL=] [default: http://localhost:8066]
+--bind-addr <BIND_ADDR>
+    The socket address this server will bind to [env: BIND_ADDR=] [default: 0.0.0.0:8055]
+```
+
 ## API
 
 ### /beam
@@ -38,14 +67,25 @@ Date: Mon, 15 Mai 2023 13:00:00 GMT
 ```
 
 #### GET
-The get endpoint takes an beam task id in the path.
+The get endpoint takes a beam task id in the path.
 
 ``` shell
 curl http://localhost:8100/beam/<some-uuid>
 ```
 
 See the example [call](./docs/listen-for-beam-results.sh)
 
+### /catalogue
+
+#### GET
+
+``` shell
+curl http://localhost:8100/catalogue
+```
+
+Returns JSON catalogue of search criteria and the expected number of results in sites configured in Samply/Prism. 
+
+
 ## License
 
 This code is licensed under the Apache License 2.0. For details, please see [LICENSE](./LICENSE)

src/config.rs

@@ -20,7 +20,7 @@ pub struct Config {
     #[clap(long, env)]
     pub beam_secret: String,
 
-    /// Credentials to use on the Beam Proxy
+    /// Where to allow cross-origin resourse sharing from
     #[clap(long, env, value_parser = parse_cors)]
     pub cors_origin: AllowOrigin,