Rust Dockerfile

Dockerfile

# Cargo Build Stage
#FROM rust:1.35 as build
FROM rust@sha256:9fcf1c9d04e10f1c882041da280e3466a5d6f57b27f4cfd8b1ff06f34419ed36 as build

RUN apt-get update

RUN apt-get install musl-tools -y

RUN rustup target add x86_64-unknown-linux-musl

WORKDIR /usr/src/myapp

COPY Cargo.toml Cargo.toml

RUN mkdir src/

RUN echo "fn main() {println!(\"If you see this, the build broke\")}" > src/main.rs

RUN RUSTFLAGS=-Clinker=musl-gcc cargo build --release --target=x86_64-unknown-linux-musl

RUN rm -f target/x86_64-unknown-linux-musl/release/deps/myapp*

COPY . .

RUN RUSTFLAGS=-Clinker=musl-gcc cargo build --release --target=x86_64-unknown-linux-musl

# Final Stage
#FROM alpine:3.9.4
FROM alpine@sha256:769fddc7cc2f0a1c35abb2f91432e8beecf83916c421420e6a6da9f8975464b6

RUN addgroup -g 1000 myapp

RUN adduser -D -s /bin/sh -u 1000 -G myapp myapp

WORKDIR /home/myapp/bin/

COPY --from=build /usr/src/myapp/target/x86_64-unknown-linux-musl/release/myapp .

RUN chown myapp:myapp myapp

USER myapp

EXPOSE 8080

ENTRYPOINT ["./myapp"]