Hide consul config behind a flag

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rustocat"
-version = "0.1.12"
+version = "0.1.13"
 edition = "2021"
 description = "Socat in rust with many less features and a configuration file"
 license = "ISC"
@@ -8,7 +8,7 @@ license = "ISC"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [features]
 default = ["consul"]
-consul = []
+consul = ["reqwest"]
 
 [dependencies]
 tokio = { version = "1", features = ["full"] }
@@ -17,10 +17,13 @@ serde_json = "1"
 serde_yaml = "0.9"
 rand = "0.8"
 log = "0.4"
-fern = "0.6"
+fern = "0.7"
 chrono = "0.4"
 async-trait = "0.1"
-reqwest = { version = "0.11", features = ["json", "rustls", "hyper-tls"], default-features = false }
+reqwest = { version = "0.12", optional = true, features = [
+    "json",
+    "default-tls",
+], default-features = false }
 
 [profile.release]
 opt-level = 3     # Optimize for size.

src/config.rs

@@ -15,8 +15,11 @@ pub struct Target {
 
 #[derive(Debug, Deserialize)]
 pub struct Config {
+    #[cfg(feature = "consul")]
     pub consul: Option<bool>,
+    #[cfg(feature = "consul")]
     pub consul_http_addr: Option<String>,
+    #[cfg(feature = "consul")]
     pub consul_http_token: Option<String>,
     mappings: Vec<Target>,
 }