feat: add Dockerfile

Author: EricCrosson

.dockerignore

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

Dockerfile

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+# rust:1.56.1
+from rust@sha256:dd7167fc31b49284971b42f9b227bcac2fe3b8c2709259ec64dab7a05b5b07b0 as build-image
+
+# create a dummy project
+RUN apt-get update && \
+    apt-get install --yes musl-tools curl llvm clang && \
+    rustup target add x86_64-unknown-linux-musl && \
+    USER=root cargo new --bin rust-implementation
+WORKDIR /rust-implementation
+
+# copy over manifests
+COPY ./Cargo.lock ./Cargo.lock
+COPY ./Cargo.toml ./Cargo.toml
+
+# cache build dependencies
+RUN cargo build --release --target x86_64-unknown-linux-musl && \
+    rm -r src/
+
+# copy over project source
+COPY ./src ./src
+
+# build for release
+RUN rm -f ./target/x86_64-unknown-linux-musl/release/deps/rust_typescript_tools* && \
+    cargo build --release --target x86_64-unknown-linux-musl
+
+FROM scratch
+COPY --from=build-image /rust-implementation/target/x86_64-unknown-linux-musl/release/rust_typescript_tools /usr/bin/typescript-tools
+WORKDIR /workdir
+ENTRYPOINT ["/usr/bin/typescript-tools"]
+CMD [""]