Set up logging with tracing crate

src/main.rs

@@ -6,6 +6,15 @@ use askama_axum::{IntoResponse, Response};
 use axum::{extract::State, http::StatusCode, routing::get, Router};
 use sqlx::SqlitePool;
 use state::AppState;
+use tracing_subscriber::filter::LevelFilter;
+
+fn set_up_logging() {
+    let filter = tracing_subscriber::filter::Builder::default()
+        .with_default_directive(LevelFilter::INFO.into())
+        .from_env_lossy();
+
+    tracing_subscriber::fmt().with_env_filter(filter).init();
+}
 
 #[derive(Template)]
 #[template(path = "index.html")]
@@ -24,6 +33,8 @@ async fn index(State(db): State<SqlitePool>) -> Result<Response, Response> {
 }
 
 async fn run() -> anyhow::Result<()> {
+    set_up_logging();
+
     let state = AppState::new().await?;
 
     let app = Router::new()
@@ -31,6 +42,7 @@ async fn run() -> anyhow::Result<()> {
         .fallback(get(r#static::static_handler))
         .with_state(state);
     // TODO Add text body to body-less status codes
+    // TODO Add anyhow-like error type for endpoints
 
     axum::Server::bind(&"0.0.0.0:8000".parse().unwrap())
         .serve(app.into_make_service())