Dockerfile

FROM rust:1.79.0 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/image-proxy

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/image-proxy*

COPY . .

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

FROM alpine:3.20.2

RUN addgroup -g 1000 myapp

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

WORKDIR /home/image-proxy/bin/

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

RUN chown myapp:myapp image-proxy

USER myapp

CMD ["./image-proxy"]