make it work inside and outside docker

TODO.md

@@ -92,6 +92,7 @@
 - [ ] active requests on /status is always 0 even when i'm running requests through
 - [ ] redis cell is giving errors under high load. maybe replace with https://redis.com/redis-best-practices/basic-rate-limiting/
 - [ ] cli tool for resetting api keys
+- [ ] cli tool for checking config
 - [ ] nice output when cargo doc is run
 - [ ] if we request an old block, more servers can handle it than we currently use.
     - [ ] instead of the one list of just heads, store our intermediate mappings (rpcs_by_hash, rpcs_by_num, blocks_by_hash) in SyncedConnections. this shouldn't be too much slower than what we have now

docker-compose.yml

@@ -33,4 +33,4 @@ services:
     volumes:
       - ./config/example.toml:/config.toml
     ports:
-      - 127.0.0.1:8544:8544
+      - 8544:8544

web3_proxy/src/connection.rs

@@ -560,7 +560,7 @@ impl Web3Connection {
                         // TODO: periodically check for listeners. if no one is subscribed, unsubscribe and wait for a subscription
                     }
 
-                    warn!("subscription ended");
+                    warn!(?self, "subscription ended");
                 }
             }
         }

web3_proxy/src/frontend/mod.rs

@@ -39,11 +39,23 @@ pub async fn serve(port: u16, proxy_app: Arc<Web3ProxyApp>) -> anyhow::Result<()
     let addr = SocketAddr::from(([0, 0, 0, 0], port));
     info!("listening on port {}", port);
     // TODO: into_make_service is enough if we always run behind a proxy. make into_make_service_with_connect_info optional?
+
+    /*
+    It sequentially looks for an IP in:
+      - x-forwarded-for header (de-facto standard)
+      - x-real-ip header
+      - forwarded header (new standard)
+      - axum::extract::ConnectInfo (if not behind proxy)
+
+    So we probably won't need into_make_service_with_connect_info, but it shouldn't hurt
+    */
+    let service = app.into_make_service_with_connect_info::<SocketAddr>();
+    // let service = app.into_make_service();
+
     axum::Server::bind(&addr)
         // TODO: option to use with_connect_info. we want it in dev, but not when running behind a proxy, but not
-        .serve(app.into_make_service_with_connect_info::<SocketAddr>())
-        .with_graceful_shutdown(signal_shutdown())
-        // .serve(app.into_make_service())
+        .serve(service)
+        .with_graceful_shutdown(async { signal_shutdown().await })
         .await
         .map_err(Into::into)
 }