Update Docker Image Name + Add TODO List

README.md

@@ -6,7 +6,7 @@ Note: currently only supports docker
 
 ## Usage
 
-1. Build: `docker build -t dockermonrs .`
+1. Build: `docker build -t system-exporter .`
 2. Run: `cd example && docker-compose up -d`
 
 ## Troubleshooting
@@ -14,4 +14,10 @@ Note: currently only supports docker
 * If you are on OS X and using Docker Desktop, you may have to enable the docker socket. You can do this by
   going to Settings -> Advanced -> Allow the default Docker socket to be used.
 
-![docker_config.png](./img/docker_config.png)
+![docker_config.png](./img/docker_config.png)
+
+## TODO
+
+- [ ] Add structured logging w/Slog
+- [ ] Add Unit tests
+- [ ] More strongly type the models

example/docker-compose.yaml

@@ -13,7 +13,7 @@ services:
 
   system-exporter:
     container_name: system-exporter
-    image: dockermonrs
+    image: system-exporter
     command: /app/system-exporter --docker-server http://socat:2375
     ports:
       - "45454:45454"

src/server.rs

@@ -39,11 +39,15 @@ async fn get_metrics(
     let mut buffer = vec![];
     let encoder = TextEncoder::new();
     let metric_families = metrics.registry.gather();
+
     encoder
         .encode(&metric_families, &mut buffer)
         .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
-    let metrics_str = String::from_utf8(buffer).map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
-    let mut response = Response::new(Body::from(metrics_str));
+
+    let mut response = Response::new(Body::from(
+        String::from_utf8(buffer).map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?,
+    ));
     *response.status_mut() = StatusCode::OK;
+
     Ok(response)
 }