RUN yarn build
# production stage
-FROM alpine:3.11
+FROM alpine:3.15
ENV USER darkhttpd
ENV GROUP darkhttpd
COPY --from=build-stage --chown=${USER}:${GROUP} /app/dist /www/
COPY --from=build-stage --chown=${USER}:${GROUP} /app/dist/assets /www/default-assets
-COPY --chown=${USER}:${GROUP} entrypoint.sh /entrypoint.sh
+COPY entrypoint.sh /entrypoint.sh
+
+HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
+ CMD wget --no-verbose --tries=1 --spider http://127.0.0.1:${PORT}/ || exit 1
EXPOSE ${PORT}
VOLUME /www/assets