Init

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.101.0/containers/docker-existing-dockerfile
+{
+	"name": "Existing Dockerfile",
+
+	// Sets the run context to one level up instead of the .devcontainer folder.
+	"context": "..",
+
+	// Update the 'dockerFile' property if you aren't using the standard 'Dockerfile' filename.
+	"dockerFile": "../Dockerfile",
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": {
+		"terminal.integrated.shell.linux": null
+	},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"kalitaalexey.vscode-rust",
+		"rust-lang.rust"
+	]
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Uncomment the next line to run commands after the container is created - for example installing git.
+	// "postCreateCommand": "apt-get update && apt-get install -y git",
+
+	// Uncomment when using a ptrace-based debugger like C++, Go, and Rust
+	// "runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
+
+	// Uncomment to use the Docker CLI from inside the container. See https://aka.ms/vscode-remote/samples/docker-in-docker.
+	// "mounts": [ "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind" ],
+
+	// Uncomment to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
+	// "remoteUser": "vscode"
+}

.gitignore

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+/.env
+/target

Cargo.toml

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+[package]
+name = "hello"
+version = "0.1.0"
+authors = ["tamakiii"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.7.3"

Dockerfile

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+FROM rust:1.41.0-alpine3.11 AS production-pseudo
+
+RUN apk add --no-cache make bash && \
+    sed -i -e 's|/bin/ash|/bin/bash|' /etc/passwd
+
+# --
+
+FROM production-pseudo AS development
+
+ENV PAGER=less
+ENV RUSTFLAGS -C target-feature=-crt-static
+
+RUN apk add --no-cache \
+      git \
+      bash-doc \
+      bash-completion \
+      openssl-dev \
+      man \
+      man-pages \
+      coreutils-doc \
+      cargo-doc \
+      rust-doc \
+      && \
+    rustup component add rustfmt
+
+RUN mkdir -p ~/.local/share/bash-completion/completions && \
+    rustup completions bash >> ~/.local/share/bash-completion/completions/rustup && \
+    rustup toolchain add nightly && \
+    rustup component add rust-analysis && \
+    rustup component add rust-src && \
+    rustup component add rls
+
+RUN cargo install cargo-edit

Makefile

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+.PHONY: install run fmt clean
+
+install:
+	cargo install --path .
+
+build:
+	cargo $@
+
+run:
+	cargo $@
+
+check:
+	cargo $@
+
+fmt:
+	cargo $@
+
+clean:
+	cargo $@
+

docker.mk

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+.PHONY: init build ash bash run run/% make/% clean
+
+NAME := tamakiii-sandbox/hello-rust
+WORK := /app
+ENVIRONMENT := $(shell grep '^ENVIRONMENT=' .env | sed -E 's/ENVIRONMENT=//')
+CMD := bash
+VSC_NAME := vsc-hello-rust-
+
+init: \
+	.env \
+	build
+
+.env:
+	touch $@
+	echo "ENVIRONMENT=production-pseudo" >> $@
+
+build:
+	docker build -t $(NAME) --target $(ENVIRONMENT) .
+
+run:
+	docker run --rm -it -v $(PWD):$(WORK) -w $(WORK) $(NAME) make run
+
+ash: run/ash
+bash: run/bash
+
+run/%:
+	docker run --rm -it -v $(PWD):$(WORK) -w $(WORK) $(NAME) $(@F)
+
+make/%:
+	docker run --rm -it -v $(PWD):$(WORK) -w $(WORK) $(NAME) make $(@F)
+
+vsc:
+	docker exec -it $$(docker container ls | grep $(VSC_NAME) | awk '{ print $$1 }') $(CMD)
+
+clean:
+	rm .env
+	docker image rm $(NAME)
+

src/main.rs

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+use std::io;
+use rand::Rng;
+
+fn main() {
+    println!("Guess the number");
+    println!("Please input your gess.");
+
+    let mut guess = String::new();
+
+    io::stdin().read_line(&mut guess)
+        .expect("failed to read line!!");
+
+    let secret_number = rand::thread_rng().gen_range(1, 101);
+
+    println!("You guessed: {}", guess);
+    println!("The secret number is: {}", secret_number);
+}