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I am installing GitLab on my network as a systemd-nspawn container. Postgres and Redis run in containers of their own elsewhere on the network; however, GitLab's systemd unit files list Redis and Postgres as dependencies. I'm using the dummies below to satisfy the requirement, but these applications probably shouldn't be dependencies of GitLab, strictly speaking.
[Unit]
Description=Dummy Service
After=network.target
[Service]
ExecStart=/bin/bash -c "while true; do sleep 1; done"
Restart=always
[Install]
WantedBy=multi-user.targetOffline
Please post the original unit failures before you added the dummy services.
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