Update Dockerfile

Dockerfile

@@ -1,6 +1,44 @@
+## Buildstage ##
+FROM lsiobase/ubuntu:xenial as buildstage
+
+# Build arguments
+ARG BUILD_DATE
+ARG VCS_REF
+ARG VERSION
+ARG DOCKERHUB
+
+# Build-time metadata as defined at http://label-schema.org
+LABEL org.label-schema.name="${DOCKERHUB}:latest" \
+      org.label-schema.description="A Docker Mod for the LinuxServer.io Radarr/Sonarr container that adds mkvtoolnix and script for remuxing video files" \
+      org.label-schema.url="https://hub.docker.com/r/${DOCKERHUB}" \
+      org.label-schema.version=$VERSION \
+      org.label-schema.build-date=$BUILD_DATE \
+      org.label-schema.vendor="TheCaptain989" \
+      org.label-schema.schema-version="1.0" \
+      org.label-schema.vcs-url="https://github.com/TheCaptain989/radarr-striptracks" \
+      org.label-schema.vcs-ref=$VCS_REF
+
+# Build-time metadata as defined at https://github.com/opencontainers/image-spec
+LABEL org.opencontainers.image.title="${DOCKERHUB}:latest" \
+      org.opencontainers.image.description="A Docker Mod for the LinuxServer.io Radarr/Sonarr container that adds mkvtoolnix and script for remuxing video files" \
+      org.opencontainers.image.url="https://hub.docker.com/r/${DOCKERHUB}" \
+      org.opencontainers.image.version=$VERSION \
+      org.opencontainers.image.created=$BUILD_DATE \
+      org.opencontainers.image.vendor="TheCaptain989" \
+      org.opencontainers.image.source="https://github.com/TheCaptain989/radarr-striptracks" \
+      org.opencontainers.image.revision=$VCS_REF
+
+# Add version number for use in container init script
+RUN mkdir -p /root-layer/etc && \
+  echo "$VERSION" > /root-layer/etc/version.tc989
+
+# Stage local files
+COPY root/ /root-layer/
+
+## Single layer deployed image ##
 FROM scratch
 
-LABEL maintainer="username"
+LABEL maintainer="TheCaptain989"
 
-# copy local files
-COPY root/ /
+# Copy files from buildstage
+COPY --from=buildstage /root-layer/ /