Hello Daniel, Thanks for your feedback. We cannot access the link. :) [cid:image001.png@01D4990B.D6981C90] Look like debian repository was changed recently. [cid:image002.png@01D4990C.7CF427A0] We tried and failed again. Removing intermediate container 9ad6ed1eac6c Step 5/21 : RUN apt-get update -qq ---> Running in d72e85bd20b7 W: Failed to fetch http://security.debian.org/debian-security/dists/jessie/updates/main/binary… 503 Service Unavailable E: Some index files failed to download. They have been ignored, or old ones used instead. The command '/bin/sh -c apt-get update -qq' returned a non-zero code: 100 Any suggestion? Best Regards, Alec Zhong From: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Sent: 2018年12月20日 20:25 To: Kamailio (SER) - Users Mailing List &lt;sr-users(a)lists.kamailio.org&gt;rg>; Zhong, Alec (NSB - CN/Qingdao) &lt;alec.zhong(a)nokia-sbell.com&gt; Cc: Sheng, Bradley (NSB - CN/Qingdao) &lt;bradley.sheng(a)nokia-sbell.com&gt;om>; Jian, Adam (NSB - CN/Qingdao) &lt;adam.jian(a)nokia-sbell.com&gt; Subject: Re: [SR-Users] Build Kamialio Docker Image Failed. Hello, I can access the link from here: - http://security.debian.org/debian-security/dists/jessie/updates/main/binary… Maybe it was a temporary unavailability of the site, can you try again? Cheers, Daniel On 20.12.18 03:17, Zhong, Alec (NSB - CN/Qingdao) wrote: Hello, When we build kamailio image, the below error happened. At the same time, we can not access http://security.debian.org/debian-security/dists/jessie/updates/main/binary… Look like the Packages had been moved. Could you please help check below issue? Step 1/21 : FROM debian:jessie ---> 4eb8376dc2a3 Step 2/21 : MAINTAINER L. Mangani <lorenzo.mangani@gmail.com><mailto:lorenzo.mangani@gmail.com> ---> Running in ebf133dd0924 ---> 0abb8a3fcf82 Removing intermediate container ebf133dd0924 Step 3/21 : ENV HOME /root ---> Running in a92f7359fefd ---> e9872a1d4892 Removing intermediate container a92f7359fefd Step 4/21 : ENV DEBIAN_FRONTEND noninteractive ---> Running in eab86e90f492 ---> 25b976249d19 Removing intermediate container eab86e90f492 Step 5/21 : RUN apt-get update -qq ---> Running in e1132468ff42 W: Failed to fetch http://security.debian.org/debian-security/dists/jessie/updates/main/binary… 503 Service Unavailable E: Some index files failed to download. They have been ignored, or old ones used instead. The command '/bin/sh -c apt-get update -qq' returned a non-zero code: 100 make: *** [build] Error 100 Best Regards, Alec Zhong _______________________________________________ Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla -- www.asipto.com<http://www.asipto.com> www.twitter.com/miconda<http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda<http://www.linkedin.com/in/miconda> Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com<http://www.kamailioworld.com> Kamailio Advanced Training - Mar 4-6, 2019 in Berlin; Mar 25-27, 2019, in Washington, DC, USA -- www.asipto.com<http://www.asipto.com>