Fix/port for

[yukihirop]

Summary

Resolve ##53

Other Information

• [Breaking] fix port_for logic.
  • Ports may be specified explicitly, so I stopped adjusting them automatically with app_index.

// before
pub fn port_for(env_path: &PathBuf, port: Option<u32>, app_index: usize, concurrency_index: usize) -> u32 { 
  base_port(env_path, port) + (app_index * 100 + concurrency_index) as u32 
} 

// after
pub fn port_for(env_path: &PathBuf, port: Option<u32>, concurrency_index: usize) -> u32 { 
  base_port(env_path, port) + concurrency_index
} 

Work

cd example/start
cargo run start -m web=3

Test

• ci