Merge pull request #1307 from jlssmt/patch-1

set LABEL org.opencontainers.image.version

Dockerfile-build

@@ -44,6 +44,8 @@ RUN make VERSION=$VERSION COMMIT=$COMMIT cli-linux-server
 
 FROM alpine
 
+ARG VERSION=dev
+
 LABEL org.opencontainers.image.authors="philipp.heckel@gmail.com"
 LABEL org.opencontainers.image.url="https://ntfy.sh/"
 LABEL org.opencontainers.image.documentation="https://docs.ntfy.sh/"
@@ -52,6 +54,7 @@ LABEL org.opencontainers.image.vendor="Philipp C. Heckel"
 LABEL org.opencontainers.image.licenses="Apache-2.0, GPL-2.0"
 LABEL org.opencontainers.image.title="ntfy"
 LABEL org.opencontainers.image.description="Send push notifications to your phone or desktop using PUT/POST"
+LABEL org.opencontainers.image.version="$VERSION"
 
 COPY --from=builder /app/dist/ntfy_linux_server/ntfy /usr/bin/ntfy