Basic example of docker rust

rust/docker-rust/Cargo.toml

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+[package]
+name = "docker-rust"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+actix-web = "4.2.1"

rust/docker-rust/Dockerfile-basic

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+# Use the main rust Docker image(메인 rust 도커 이미지를 사용한다)
+FROM rust
+# copy app into docker image(app을 도커 이미지에 복사한다)
+COPY . /app
+# Set the workdirectory(작업 디렉터리를 설정한다)
+WORKDIR /app
+# build the app(앱을 빌드한다)
+RUN cargo build --release
+# start the application(애플리케이션을 시작한다)
+CMD ["./target/release/docker-rust"]

rust/docker-rust/Dockerfile-lite

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+# Use the main rust Docker image(메인 rust 도커 이미지를 사용한다)
+FROM rust as build
+# copy app into docker image(app을 도커 이미지에 복사한다)
+COPY . /app
+# Set the workdirectory(작업 디렉터리를 설정한다)
+WORKDIR /app
+# build the app(앱을 빌드한다)
+RUN cargo build --release
+# start the application(애플리케이션을 시작한다)
+
+FROM gcr.io/distroless/cc-debian12
+COPY --from=build /app/target/release/docker-rust /app/docker/docker-rust
+
+CMD ["./app/docker/docker-rust"]

rust/docker-rust/README.md

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+Docker-rust
+===========
+- build & execution
+
+  ```
+  docker build -f Dockerfile-basic . -t docker-rust-basic
+  docker run -p 8080:8080 -t docker-rust-basic
+
+  docker build -f Dockerfile-lite . -t docker-rust-lite
+  docker run -p 8080:8080 -t docker-rust-lite
+  ```
+  - ![SCR-20240224-rmfg.png](./images/SCR-20240224-rmfg.png)
+- Necessary to use appropriate version, e.g. when using `cc-debian11`, got this error
+  - ![SCR-20240224-rmsa.png](./images/SCR-20240224-rmsa.png)

rust/docker-rust/src/main.rs

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+use actix_web::{get, web, App, HttpResponse, HttpServer, Responder};
+#[get("/")]
+async fn gm() -> impl Responder {
+    HttpResponse::Ok().body("Hello, Good morning!")
+}
+async fn hello() -> impl Responder {
+    HttpResponse::Ok().body("Hello there!")
+}
+#[actix_web::main]
+async fn main() -> std::io::Result<()> {
+    HttpServer::new(|| {
+        App::new()
+            .service(gm)
+            .route("/hello", web::get().to(hello))
+    })
+        .bind(("0.0.0.0", 8080))?
+        .run()
+        .await
+}