# Build binary
FROM rust:1.75.0 as build-env
WORKDIR /app
COPY . /app

ENV TESTBINARY='testbinary'

# Need JQ for parsing json
RUN apt-get update -y
RUN apt-get install jq -y
# Create standalone test binary
RUN cargo test --message-format=json --no-run --quiet | jq '.executable' | grep '/sontonio_iam*' | tr -d '"' | xargs -I '{}' mv {} ./${TESTBINARY}

# Copy binary to distroless CC
# Specs: https://edu.chainguard.dev/chainguard/chainguard-images/reference/glibc-dynamic/image_specs/
FROM cgr.dev/chainguard/glibc-dynamic:latest
COPY --from=build-env /app/${TESTBINARY} /

ENV PORT="3000"
EXPOSE ${PORT}

# Why no variable substition?
# Docker makes the shell responsible for interpreting the variable
# https://docs.docker.com/engine/reference/builder/#variable-substitution
# However, there is no shell in the distroless CC.
# Thus we do it manually :)
CMD ["./testbinary"]