Centos6 is EOL and produces error


Status: Downloaded newer image for sensu/sensu-ruby-runtime-2.4.4-centos6:latest
--
940 | ---> e4b4eafe3204
941 | Step 2/12 : ARG ASSET_GEM
942 | ---> Running in 47b0628b19d3
943 | Removing intermediate container 47b0628b19d3
944 | ---> 4c64dedc58e7
945 | Step 3/12 : ARG GIT_REF
946 | ---> Running in b8e4b704e0d4
947 | Removing intermediate container b8e4b704e0d4
948 | ---> 2fb2949fe8a0
949 | Step 4/12 : ARG GIT_REPO
950 | ---> Running in aeb29587434a
951 | Removing intermediate container aeb29587434a
952 | ---> c4c179141207
953 | Step 5/12 : WORKDIR /assets/build/
954 | ---> Running in 4ea5252b3b3b
955 | Removing intermediate container 4ea5252b3b3b
956 | ---> d1a843a991a6
957 | Step 6/12 : RUN yum install -y git
958 | ---> Running in af676f3156b0
959 | Loaded plugins: fastestmirror, ovl
960 | Setting up Install Process
961 | Determining fastest mirrors
962 | Error: Cannot find a valid baseurl for repo: base
963 | YumRepo Error: All mirror URLs are not using ftp, http[s] or file.
964 | Eg. Invalid release/repo/arch combination/
965 | removing mirrorlist with no valid mirrors: /var/cache/yum/x86_64/6/base/mirrorlist.txt
966 | The command '/bin/sh -c yum install -y git' returned a non-zero code: 1
967 | Unable to find image 'ruby-plugin-centos6:latest' locally
968 | Error response from daemon: pull access denied for ruby-plugin-centos6, repository does not exist or may require 'docker login': denied: requested access to the resource is denied
969 | must specify at least one container source
https://drone.m-cloud.cz/VeselaHouba/sensu-plugins-disk-checks/42/2/3
sensu / sensu-ruby-runtime

Centos6 is EOL and produces error #33
