I am trying to build a spark container based on alpine linux (using provided Dockerfile in the distribution).

docker build -t spark:latest -f kubernetes/dockerfiles/spark/Dockerfile .

I see the following errors. How do I get past these problems?

Sending build context to Docker daemon  256.2MB
Step 1/15 : FROM openjdk:8-alpine
 ---> 2cfb1dc1f0c8
Step 2/15 : ARG spark_jars=jars
 ---> Using cache
 ---> 3929d9e6b4a3
Step 3/15 : ARG img_path=kubernetes/dockerfiles
 ---> Using cache
 ---> 74e046503051
Step 4/15 : ARG k8s_tests=kubernetes/tests
 ---> Using cache
 ---> b935956a4bd1
Step 5/15 : RUN set -ex &&     apk upgrade --no-cache &&     apk add --no-cache bash tini libc6-compat linux-pam &&     mkdir -p /opt/spark &&     mkdir -p /opt/spark/work-dir &&     touch /opt/spark/RELEASE &&     rm /bin/sh &&     ln -sv /bin/bash /bin/sh &&     echo "auth required pam_wheel.so use_uid" >> /etc/pam.d/su &&     chgrp root /etc/passwd && chmod ug+rw /etc/passwd
 ---> Running in 04372cfa8170
+ apk upgrade --no-cache
fetch http://dl-cdn.alpinelinux.org/alpine/v3.8/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.8/community/x86_64/APKINDEX.tar.gz
WARNING: Ignoring http://dl-cdn.alpinelinux.org/alpine/v3.8/main/x86_64/APKINDEX.tar.gz: could not connect to server (check repositories file)
WARNING: Ignoring http://dl-cdn.alpinelinux.org/alpine/v3.8/community/x86_64/APKINDEX.tar.gz: could not connect to server (check repositories file)
OK: 101 MiB in 53 packages
+ apk add --no-cache bash tini libc6-compat linux-pam
fetch http://dl-cdn.alpinelinux.org/alpine/v3.8/main/x86_64/APKINDEX.tar.gz
WARNING: Ignoring http://dl-cdn.alpinelinux.org/alpine/v3.8/main/x86_64/APKINDEX.tar.gz: could not connect to server (check repositories file)
fetch http://dl-cdn.alpinelinux.org/alpine/v3.8/community/x86_64/APKINDEX.tar.gz
WARNING: Ignoring http://dl-cdn.alpinelinux.org/alpine/v3.8/community/x86_64/APKINDEX.tar.gz: could not connect to server (check repositories file)
ERROR: unsatisfiable constraints:
  bash (missing):
    required by: world[bash]
  libc6-compat (missing):
    required by: world[libc6-compat]
  linux-pam (missing):
    required by: world[linux-pam]
  tini (missing):
    required by: world[tini]
The command '/bin/sh -c set -ex &&     apk upgrade --no-cache &&     apk add --no-cache bash tini libc6-compat linux-pam &&     mkdir -p /opt/spark &&     mkdir -p /opt/spark/work-dir &&     touch /opt/spark/RELEASE &&     rm /bin/sh &&     ln -sv /bin/bash /bin/sh &&     echo "auth required pam_wheel.so use_uid" >> /etc/pam.d/su &&     chgrp root /etc/passwd && chmod ug+rw /etc/passwd' returned a non-zero code: 4