add Dockerfile

.dockerignore

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+target/

Dockerfile

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+FROM rust:1.60-bullseye AS chef
+RUN cargo install cargo-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 --release
+
+FROM debian:bullseye-slim
+WORKDIR /app
+EXPOSE 18550
+COPY --from=builder /app/target/release/main /usr/local/bin
+
+CMD ["/usr/local/bin/main"]