Relax validation on the postgres service address setting

rust/server/src/main.rs

@@ -151,7 +151,7 @@ fn main() {
 		};
 
 		let rest_svc_listener = TcpListener::bind(&config.bind_address).await.unwrap_or_else(|e| {
-			error!("Failed to bind listening port: {}", e);
+			error!("Failed to bind to address {}: {}", config.bind_address, e);
 			std::process::exit(-1);
 		});
 		info!("Listening for incoming connections on {}{}", config.bind_address, crate::vss_service::BASE_PATH_PREFIX);

rust/server/src/util/config.rs

@@ -27,7 +27,7 @@ struct TomlConfig {
 
 #[derive(Deserialize)]
 struct ServerConfig {
-	bind_address: Option<SocketAddr>,
+	bind_address: Option<String>,
 }
 
 #[derive(Deserialize)]
@@ -39,7 +39,7 @@ struct JwtAuthConfig {
 struct PostgreSQLConfig {
 	username: Option<String>,
 	password: Option<String>,
-	address: Option<SocketAddr>,
+	address: Option<String>,
 	default_database: Option<String>,
 	vss_database: Option<String>,
 	tls: Option<TlsConfig>,
@@ -58,7 +58,7 @@ struct LogConfig {
 
 // Encapsulates the result of reading both the environment variables and the config file.
 pub(crate) struct Configuration {
-	pub(crate) bind_address: SocketAddr,
+	pub(crate) bind_address: String,
 	pub(crate) rsa_pem: Option<String>,
 	pub(crate) postgresql_prefix: String,
 	pub(crate) default_db: String,
@@ -99,13 +99,7 @@ pub(crate) fn load_configuration(config_file_path: Option<&str>) -> Result<Confi
 			None => TomlConfig::default(), // All fields are set to `None`
 		};
 
-	let bind_address_env = read_env(BIND_ADDR_VAR)?
-		.map(|addr| {
-			addr.parse().map_err(|e| {
-				format!("Unable to parse the bind address environment variable: {}", e)
-			})
-		})
-		.transpose()?;
+	let bind_address_env = read_env(BIND_ADDR_VAR)?;
 	let bind_address = read_config(
 		bind_address_env,
 		server_config.and_then(|c| c.bind_address),
@@ -146,13 +140,7 @@ pub(crate) fn load_configuration(config_file_path: Option<&str>) -> Result<Confi
 
 	let username_env = read_env(PSQL_USER_VAR)?;
 	let password_env = read_env(PSQL_PASS_VAR)?;
-	let address_env: Option<SocketAddr> = read_env(PSQL_ADDR_VAR)?
-		.map(|address| {
-			address.parse().map_err(|e| {
-				format!("Unable to parse the postgresql address environment variable: {}", e)
-			})
-		})
-		.transpose()?;
+	let address_env: Option<String> = read_env(PSQL_ADDR_VAR)?;
 	let default_db_env = read_env(PSQL_DB_VAR)?;
 	let vss_db_env = read_env(PSQL_VSS_DB_VAR)?;
 	let tls_config_env = read_env(PSQL_TLS_VAR)?;