Added healthcheck to dockerfile

Author: maxkagamine

Dockerfile

@@ -29,3 +29,6 @@ ENV LANG=en_US
 COPY --from=build /app/publish /app
 
 ENTRYPOINT ["dotnet", "/app/SqliteArchive.Server.dll"]
+
+HEALTHCHECK --start-period=1m --start-interval=1s \
+  CMD wget --no-verbose --tries=1 --spider http://localhost || exit 1