Refactor config servers first read to fix docker deploy

Dockerfile

@@ -7,4 +7,5 @@ COPY src /opt/mrproxy/src
 COPY config/* /etc/mrproxy
 WORKDIR /opt/mrproxy
 RUN apk add cargo
-RUN cargo run --release
+RUN cargo build --release
+CMD /opt/mrproxy/target/release/minecraft_proxy

config/mrprox.conf

@@ -5,4 +5,4 @@ conf:
  sock_type: 'TCP'
  #path: '/home/roche/portmrproxy'
  port: '25564'
- ip: '127.0.0.1'
+ ip: '0.0.0.0'

src/conf/mod.rs

@@ -50,27 +50,48 @@ pub struct Config{
     conf: ConfServer,
 }
 
-impl Config {
-    pub fn new() -> Self {
-        let mut conf_file = File::open(&FILE_CONF).unwrap();
-        let mut servers_file = File::open(&FILE_SERVERS).unwrap();
-        let mut s1 = String::new();
-        let mut s2 = String::new();
-        conf_file.read_to_string(&mut s1).unwrap();
-        servers_file.read_to_string(&mut s2).unwrap();
-        let yam_conf:ConfFile = match serde_yaml::from_str(&s1) {
+pub fn generate_conf_from_file() -> ConfFile{
+    match File::open(&FILE_CONF) {
+        Ok(mut f) => {
+            let mut s = String::new();
+            f.read_to_string(&mut s).unwrap();
+            match serde_yaml::from_str(&s) {
                 Ok(result) => result,
                 Err(e) => {error!("Config file malformed: {}",e); panic!("{}", e);},
-        };
-        let yam_ser: Vec<ServerData> = match serde_yaml::from_str(&s2) {
+            }
+        }
+        Err(e) => {error!("Error open config file: {}",e); panic!("{}",e)}
+    }
+}
+
+pub fn generate_slist_from_file() -> Vec<ServerData>{
+    match File::open(&FILE_SERVERS){
+        Ok(mut f) => {
+            let mut s = String::new();
+            f.read_to_string(&mut s).unwrap();
+            match serde_yaml::from_str(&s) {
                 Ok(result) => result,
-            Err(e) => {warn!("IPs list file malformed; creating new one"); Vec::new()},
-        };
+                Err(e) => {
+                    warn!("IPs list file malformed; creating new one\nerror: {}",e);
+                    Vec::new()
+                },
+            }
+        }
+        Err(e) => {
+            warn!("IPs list file can't be open; creating new one \nerror: {}",e);
+            Vec::new()
+        },
+    }
+}
+
+impl Config {
+    pub fn new() -> Self {
+        let yaml_conf = generate_conf_from_file();
         Self{
-            l_servers: Self::get_servers(&yam_ser),
-            port: yam_conf.port,
-            ip: yam_conf.ip,
-            conf: yam_conf.conf,
+            l_servers: Self::get_servers(&generate_slist_from_file()),
+            port: yaml_conf.port,
+            ip: yaml_conf.ip,
+            conf: yaml_conf.conf,
         }
     }