FROM maven:3.9.10-eclipse-temurin-17 AS build
WORKDIR /build
ARG MAVEN_MIRROR_CENTRAL=https://mirror.grayc.io/maven2
RUN mkdir "$HOME/.m2" && printf "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<settings>\n\
	<localRepository>/tmp/mvn-repo</localRepository>\n\
	<mirrors><mirror><url>%s</url><mirrorOf>central</mirrorOf></mirror></mirrors>\n\
</settings>" "$MAVEN_MIRROR_CENTRAL" > "$HOME/.m2/settings.xml"
COPY pom.xml /build/
COPY src/main /build/src/main/
RUN --mount=type=cache,target=/tmp/mvn-repo mvn package --no-transfer-progress -DskipTests -P=-dev

FROM busybox:1.37.0-uclibc@sha256:cc57e0ff4b6d3138931ff5c7180d18078813300e2508a25fb767a4d36df30d4d
COPY --from=build --chmod=444 /build/target/keycloak-event-metrics.jar /opt/keycloak/keycloak-event-metrics.jar