Fixed a bug in the NodeInfo endpoint and a config typo

Dockerfile

@@ -17,7 +17,7 @@ WORKDIR /magnetar
 
 COPY ./ .
 
-RUN cargo build --release
+RUN cargo build --release --frozen
 
 FROM docker.io/debian:bullseye-slim
 

src/config.rs

@@ -125,7 +125,7 @@ pub struct MagnetarData {
 fn env_database_url() -> String {
     std::env::var("MAG_C_DATABASE_URL")
         .or_else(|_| std::env::var("DATABASE_URL"))
-        .expect("MAG_C_HOST, DATABASE_URL or \"data.database_url\" in the default configuration must be set")
+        .expect("MAG_C_DATABASE_URL, DATABASE_URL or \"data.database_url\" in the default configuration must be set")
 }
 
 impl Default for MagnetarData {

src/nodeinfo.rs

@@ -9,6 +9,7 @@ use magnetar_nodeinfo::version_1_0::{
 use magnetar_nodeinfo::version_2_0::NodeInfo20;
 use magnetar_nodeinfo::version_2_1::{NodeInfo21, NodeInfo21Software};
 use serde::Serialize;
+use serde_json::{json, Value};
 use std::collections::{HashMap, HashSet};
 
 const NODEINFO_PATH: &str = "/nodeinfo";
@@ -19,10 +20,8 @@ pub struct NodeInfoLink {
     href: String,
 }
 
-pub async fn handle_nodeinfo(
-    State(config): State<&'static MagnetarConfig>,
-) -> Json<Vec<NodeInfoLink>> {
-    Json(vec![
+pub async fn handle_nodeinfo(State(config): State<&'static MagnetarConfig>) -> Json<Value> {
+    let links = vec![
         NodeInfoLink {
             href: format!(
                 "{}://{}/nodeinfo/2.0",
@@ -37,7 +36,11 @@ pub async fn handle_nodeinfo(
             ),
             rel: RelNodeInfo21.rel(),
         },
-    ])
+    ];
+
+    let links_serialized = serde_json::to_value(links).unwrap();
+
+    Json(json!({ "links": links_serialized }))
 }
 
 pub async fn handle_nodeinfo_21(State(config): State<&'static MagnetarConfig>) -> Json<NodeInfo21> {