FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine as build RUN apk add crystal shards yaml-dev openssl-dev zlib-dev RUN addgroup -S app && adduser app -S -G app WORKDIR /home/app COPY shard.yml ./ RUN mkdir src/ COPY src/* src/ RUN shards install RUN shards build FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine as ship RUN apk add tinyproxy multirun openssl zlib yaml pcre2 gc libevent libgcc # Unprivileged user RUN addgroup -S app && adduser app -S -G app WORKDIR /home/app COPY tinyproxy/tinyproxy.conf ./ COPY --from=build /home/app/bin/faaso-daemon ./ CMD ["/usr/bin/multirun", "./faaso-daemon", "tinyproxy -d -c tinyproxy.conf"]