Fix error with old version of package in apt cache

[scheetz]

Step 4 : RUN apt-get install -yqq software-properties-common && add-apt-repository -y ppa:vbernat/haproxy-1.5 && apt-get update -yqq && apt-get install -yqq haproxy golang git mercurial supervisor && rm -rf /var/lib/apt/lists/* ---> Running in 22077f4a3c63 E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/libx/libxml2/libxml2_2.9.2+zdfsg1-4ubuntu0.1_amd64.deb 404 Not Found

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

[j1n6]

thank you.