Add Dockerfile (foresterre#500)

.dockerignore

@@ -0,0 +1,4 @@
+/.github/
+/target/
+/book/
+/tests/

Dockerfile

@@ -0,0 +1,17 @@
+FROM lukemathwalker/cargo-chef:latest-rust-latest AS chef
+WORKDIR app
+
+FROM chef AS planner
+COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
+
+FROM chef AS builder
+COPY --from=planner /app/recipe.json recipe.json
+RUN cargo chef cook --release --recipe-path recipe.json
+COPY . .
+RUN cargo build --verbose --locked --release
+
+FROM rust:slim-bullseye AS runtime
+WORKDIR app
+COPY --from=builder /app/target/release/cargo-msrv /usr/local/bin
+ENTRYPOINT ["cargo-msrv", "msrv"]

README.md

@@ -20,6 +20,11 @@ From the Arch Linux [community repository](https://archlinux.org/packages/commun
 
 `pacman -S cargo-msrv`
 
+Also, you can use the following commands for building and running via Docker:
+
+- `docker build -t cargo-msrv .`
+- `docker run -t -v "$(pwd)/Cargo.toml":/app/Cargo.toml cargo-msrv`
+
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