Renaming

problem_01/.dockerignore

@@ -1 +0,0 @@
-/target/

problem_01/.gitignore

@@ -1 +0,0 @@
-/target/

problem_01/Cargo.toml

@@ -1,9 +1,8 @@
 [package]
-name = "problem_01"
+name = "problem_02"
 version = "0.1.0"
 edition = "2021"
 
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
 [dependencies]
-env_logger = "0.9.0"
-log = "0.4.0"
-tokio = { version = "1.27.0", features = ["full"] }

problem_01/Dockerfile

@@ -1,11 +0,0 @@
-FROM rust:latest as builder
-RUN apt-get update && apt-get -y install ca-certificates cmake musl-tools libssl-dev && rm -rf /var/lib/apt/lists/*
-COPY . .
-RUN rustup default stable && rustup update
-RUN rustup target add x86_64-unknown-linux-musl
-ENV PKG_CONFIG_ALLOW_CROSS=1
-RUN cargo build --target x86_64-unknown-linux-musl --release
-FROM scratch
-COPY --from=builder /target/x86_64-unknown-linux-musl/release/problem_01 .
-EXPOSE 8080
-CMD ["/problem_01"]

problem_01/fly.toml

@@ -1,20 +0,0 @@
-# fly.toml app configuration file generated for restless-bush-123 on 2023-04-19T13:36:26+02:00
-#
-# See https://fly.io/docs/reference/configuration/ for information about how to use this file.
-#
-
-app = "restless-bush-123"
-primary_region = "ams"
-
-[experimental]
-  auto_rollback = true
-
-[env]
-  ECHO_PORT = "8080"
-
-[[services]]
-  protocol = "tcp"
-  internal_port = 8080
-
-  [[services.ports]]
-    port = 8080

problem_01/src/main.rs

@@ -1,38 +1,3 @@
-use tokio::io::{AsyncReadExt, AsyncWriteExt};
+fn main() {
-use tokio::net::TcpListener;
+    println!("Hello, world!");
-
-#[tokio::main]
-async fn main() -> Result<(), Box<dyn std::error::Error>> {
-    env_logger::init();
-    let listener = TcpListener::bind("0.0.0.0:8080").await?;
-    log::info!("Start TCP server");
-    loop {
-        let (mut socket, _) = listener.accept().await?;
-
-        tokio::spawn(async move {
-            let mut buf = [0; 1024];
-
-            loop {
-                let n = match socket.read(&mut buf).await {
-                    Ok(n) if n == 0 => {
-                        log::info!("Receiving echo: {}", n);
-                        return;
-                    }
-                    Ok(n) => {
-                        log::info!("Receiving echo: {}", n);
-                        n
-                    }
-                    Err(e) => {
-                        log::error!("failed to read from socket; err = {:?}", e);
-                        return;
-                    }
-                };
-
-                if let Err(e) = socket.write_all(&buf[0..n]).await {
-                    log::error!("failed to write to socket; err = {:?}", e);
-                    return;
-                }
-            }
-        });
-    }
 }