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JanMalte
Apr 30, 2022

Having a GitLab instance running on the same machine as the nginx-proxy leads to multiple restarts of the nginx process, due to many started and stopped containers.

Every started/stopped container, results in a run of docker-gen. As the GitLab pipeline containers are just temporary, the changes should/could be ignored by docker-gen.

Even if the /etc/nginx/conf.d/default.conf isn't changed, the nginx process gets restarted every time. This is causing real overhead and load on the server.

A solution might be to re-enable --only-exposed:
b325dad and a0dee5c

Dou you know the reasons why the -only-exposed flag has been removed?
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Replies: 1 comment · 1 reply

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JanMalte
Apr 30, 2022
Author

I've tried the 3 container setup with the -only-exposed flag for docker-gen

It seems like there are some changes in the /etc/nginx/conf.d/default.conf triggered by something. I have to try to detect what exactly is changing.
Maybe someone has also noticed something similar?
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@JanMalte
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JanMalte May 1, 2022
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The order of the checked networks is random, so we got changes for comment lines like

        # Cannot connect to network 'elm    <
					    >	        # Cannot connect to network 'elmar
        # Cannot connect to network 'git    <
					    >	        # Cannot connect to network 'gitla
        # Cannot connect to network 'hc-    <
					    >	        # Cannot connect to network 'hc-vo
        # Cannot connect to network 'sec    <
					    >	        # Cannot connect to network 'secon
					    >	        # Cannot connect to network 'stats
        # Cannot connect to network 'sta    <
        # Cannot connect to network 'elm    <
					    >	        # Cannot connect to network 'elmar
        # Cannot connect to network 'sec    <
					    >	        # Cannot connect to network 'secon
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