# Reference: https://practical.li/engineering-playbook/continuous-integration/docker/clojure-multi-stage-dockerfile/

FROM clojure:temurin-21-tools-deps-bookworm AS builder

RUN mkdir -p /build

WORKDIR /build

COPY ./ /build

RUN clojure -T:build uber :out ogres-server.jar

FROM eclipse-temurin:21-alpine AS final

RUN apk add --no-cache dumb-init

ARG UID=10001

RUN adduser \

--disabled-password \

--gecos "" \

--home "/nonexistent" \

--shell "/sbin/nologin" \

--no-create-home \

--uid "${UID}" \

clojure

RUN mkdir -p /service && chown -R clojure. /service

USER clojure

WORKDIR /service

COPY --from=builder --chown=clojure:clojure /build/ogres-server.jar /service/ogres-server.jar

EXPOSE 8090

ENTRYPOINT ["/usr/bin/dumb-init", "--"]

CMD ["java", "-jar", "/service/ogres-server.jar", "8090"]