Fix domain resolution issue

Author: ufoscout

Cargo.lock

@@ -1,11 +1,11 @@
 [package]
 name = "wait"
-version = "2.7.1"
+version = "2.7.2"
 authors = ["ufoscout <[email protected]>"]
 edition = "2018"
 
 [dependencies]
-port_check = "0.1.3"
+port_check = "0.1.4"
 
 [dev-dependencies]
 atomic-counter = "1.0"

Cargo.toml

@@ -19,7 +19,7 @@ FROM alpine
 ADD MySuperApp.sh /MySuperApp.sh
 
 ## Add the wait script to the image
-ADD https://github.com/ufoscout/docker-compose-wait/releases/download/2.7.1/wait /wait
+ADD https://github.com/ufoscout/docker-compose-wait/releases/download/2.7.2/wait /wait
 RUN chmod +x /wait
 
 ## Launch the wait tool and then your application

README.md

@@ -62,9 +62,7 @@ pub fn wait(
             while !port_check::is_port_reachable_with_timeout(
                 &host
                     .trim()
-                    .to_string()
-                    .parse()
-                    .expect("The host IP should be valid"),
+                    .to_string(),
                 Duration::from_secs(config.tcp_connection_timeout),
             ) {
                 println!("Host {} not yet available...", host);

src/lib.rs

@@ -74,7 +74,7 @@ fn should_exit_on_timeout() {
     let timeout = 25;
     let wait_before = 30;
     let wait_after = 300;
-    let hosts = format!("127.0.0.1:{}", free_port());
+    let hosts = format!("localhost:{}", free_port());
     let start = Instant::now();
     let mut sleeper = MillisSleeper::default();