-FROM docker.io/eclipse-temurin:17-jre
+FROM docker.io/azul/zulu-openjdk:21-jre-headless
+
+LABEL org.opencontainers.image.source=https://github.com/AsamK/signal-cli
+LABEL org.opencontainers.image.description="signal-cli provides an unofficial commandline, dbus and JSON-RPC interface for the Signal messenger."
+LABEL org.opencontainers.image.licenses=GPL-3.0-only
RUN useradd signal-cli --system --create-home --home-dir /var/lib/signal-cli
ADD build/install/signal-cli /opt/signal-cli