config http_proxy gitlab-ce

gistfile1.txt

gitlab_rails['env'] = {
    "http_proxy" => "http://proxy.example.com:9090",
    "https_proxy" => "http://proxy.example.com:9090"
#    "no_proxy" => ".yourdomain.com"  # Wildcard syntax if you need your internal domain to bypass proxy
}
# Needed for proxying Git clones
gitaly['env'] = {
    "http_proxy" => "http://proxy.example.com:9090",
    "https_proxy" => "http://proxy.example.com:9090",
    "no_proxy" => "unix"  # Workaround for https://gitlab.com/gitlab-org/gitaly/issues/1447
}

gitlab_workhorse['env'] = {
    "http_proxy" => "http://proxy.example.com:9090",
    "https_proxy" => "http://proxy.example.com:9090"
}

# If you use the docker registry
registry['env'] = {
    "http_proxy" => "http://proxy.example.com:9090",
    "https_proxy" => "http://proxy.example.com:9090"
}