feat(ci): add the default user for docker image (#1036)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Dockerfile.ci

@@ -1,18 +1,26 @@
 ARG BASE_IMAGE_TAG=base
 FROM ghcr.io/openlistteam/openlist-base-image:${BASE_IMAGE_TAG}
-
+LABEL MAINTAINER="OpenList"
 ARG TARGETPLATFORM
 ARG INSTALL_FFMPEG=false
 ARG INSTALL_ARIA2=false
-LABEL MAINTAINER="OpenList"
+ARG USER=openlist
+ARG UID=1001
+ARG GID=1001
 
 WORKDIR /opt/openlist/
 
 COPY --chmod=755 /build/${TARGETPLATFORM}/openlist ./
 COPY --chmod=755 entrypoint.sh /entrypoint.sh
+
+RUN adduser -u ${UID} -g ${GID} -h /opt/openlist/data -D -s /bin/sh ${USER} \
+    && chown -R ${UID}:${GID} /opt \
+    && chown -R ${UID}:${GID} /entrypoint.sh
+
+USER ${USER}
 RUN /entrypoint.sh version
 
-ENV PUID=0 PGID=0 UMASK=022 RUN_ARIA2=${INSTALL_ARIA2}
+ENV UMASK=022 RUN_ARIA2=${INSTALL_ARIA2}
 VOLUME /opt/openlist/data/
 EXPOSE 5244 5245
 CMD [ "/entrypoint.sh" ]