feat: add env vars to NNM

nym-network-monitor/Cargo.toml

@@ -13,7 +13,7 @@ license.workspace = true
 [dependencies]
 anyhow = { workspace = true }
 axum = { workspace = true, features = ["json"] }
-clap = { workspace = true, features = ["derive"] }
+clap = { workspace = true, features = ["derive", "env"] }
 dashmap = { workspace = true }
 futures = { workspace = true }
 log = { workspace = true }

nym-network-monitor/src/main.rs

@@ -107,11 +107,11 @@ struct Args {
     client_lifetime: u64,
 
     /// Port to listen on
-    #[arg(long, default_value_t = 8080)]
+    #[arg(long, default_value_t = 8080, env = "NYM_NETWORK_MONITORING_PORT")]
     port: u16,
 
     /// Host to listen on
-    #[arg(long, default_value = "127.0.0.1")]
+    #[arg(long, default_value = "127.0.0.1", env = "NYM_NETWORK_MONITORING_HOST")]
     host: String,
 
     /// Path to the topology file