Not able to build with latest Dockerfile

[4runl0g]

Sending build context to Docker daemon 18.43kB Step 1/27 : FROM ubuntu:18.04 ---> 2ca708c1c9cc Step 2/27 : LABEL maintainer "Srinivasan Sekar srinivasan.sekar1990@gmail.com" ---> Running in e073d7243a23 Removing intermediate container e073d7243a23 ---> b58b2923c9ac Step 3/27 : ENV DEBIAN_FRONTEND=noninteractive ---> Running in e237a0211148 Removing intermediate container e237a0211148 ---> 74a860c6bd99 Step 4/27 : WORKDIR /root ---> Running in 4e97e3845a50 Removing intermediate container 4e97e3845a50 ---> 0105858d4f9e Step 5/27 : RUN apt-get -qqy update && apt-get -qqy --no-install-recommends install openjdk-8-jdk ca-certificates tzdata zip unzip curl wget libqt5webkit5 libgconf-2-4 xvfb gnupg salt-minion && rm -rf /var/lib/apt/lists/ ---> Running in 4728625e1e10 E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/i/icu/libicu60_60.2-3ubuntu3_amd64.deb Connection failed [IP: 91.189.88.162 80] E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/m/mesa/libgl1-mesa-dri_19.2.1-1ubuntu1~18.04.1_amd64.deb Connection failed [IP: 91.189.88.149 80] E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/universe/o/openjdk-8/openjdk-8-jdk-headless_8u242-b08-0ubuntu3~18.04_amd64.deb Connection failed [IP: 91.189.88.24 80] E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/s/salt/salt-common_2017.7.4+dfsg1-1ubuntu18.04.1_all.deb Connection failed [IP: 91.189.88.31 80] E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? The command '/bin/sh -c apt-get -qqy update && apt-get -qqy --no-install-recommends install openjdk-8-jdk ca-certificates tzdata zip unzip curl wget libqt5webkit5 libgconf-2-4 xvfb gnupg salt-minion && rm -rf /var/lib/apt/lists/' returned a non-zero code: 100