FROM rust:1.75-alpine3.19@sha256:8eaab14d138f0d61240da09aeadb87fcd9c2593975b8852d1bc02ccf988861ba AS compiler
ENV RUSTFLAGS="-C target-feature=-crt-static"
RUN apk add --no-cache openssl-dev musl-dev 
WORKDIR /usr/src/kon
COPY Cargo.toml Cargo.lock ./
RUN mkdir src && echo "fn main() {}" > src/main.rs && cargo build -r && rm -rf src
COPY . .
RUN --mount=type=cache,target=/tmp/.buildx-cache/kon-cargo cargo fetch && cargo build -r

FROM alpine:3.19@sha256:51b67269f354137895d43f3b3d810bfacd3945438e94dc5ac55fdac340352f48
RUN apk add --no-cache openssl-dev libgcc
WORKDIR /kon
COPY --from=compiler /usr/src/kon/target/release/kon .
COPY --from=compiler /usr/src/kon/Cargo.toml .
CMD [ "./kon" ]