gistfile1.txt

Step 1 : RUN apt-get update &&    apt-get install -y --no-install-recommends libpq-dev gettext libjpeg8-dev postgresql-client &&    apt-get remove mysql-common -y && apt-get autoremove -y &&    apt-get upgrade -y
 ---> Running in 637f576a4726
Err http://security.debian.org wheezy/updates Release.gpg
  Could not resolve 'security.debian.org'
Err http://http.debian.net wheezy Release.gpg
  Could not resolve 'http.debian.net'
Err http://http.debian.net wheezy-updates Release.gpg
  Could not resolve 'http.debian.net'
Reading package lists...
W: Failed to fetch http://http.debian.net/debian/dists/wheezy/Release.gpg  Could not resolve 'http.debian.net'

W: Failed to fetch http://http.debian.net/debian/dists/wheezy-updates/Release.gpg  Could not resolve 'http.debian.net'

W: Failed to fetch http://security.debian.org/dists/wheezy/updates/Release.gpg  Could not resolve 'security.debian.org'

W: Some index files failed to download. They have been ignored, or old ones used instead.
Reading package lists...
Building dependency tree...
Reading state information...
Package gettext is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

Package postgresql-client is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'gettext' has no installation candidate
E: Package 'postgresql-client' has no installation candidate
Service 'web' failed to build: The command [/bin/sh -c apt-get update &&    apt-get install -y --no-install-recommends libpq-dev gettext libjpeg8-dev postgresql-client &&    apt-get remove mysql-common -y && apt-get autoremove -y &&    apt-get upgrade -y] returned a non-zero code: 100