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Use a self-signed certificate with private Docker registry

If you have a private Docker registry, which is using a self-signed SSL certificate, so pulling the Docker images does not work, the solution is to use a self-signed certificate with Docker, add a self-signed certificate file as a configuration file on Semaphore and save it under the name of domain.crt.

Then, following command should be present in the setup of your project:

sudo mv $SEMAPHORE_PROJECT_DIR/domain.crt /etc/docker/certs.d/myregistrydomain.com:5000/ca.crt

This should allow connection to a private remote registry with the use of the self-signed certificate.

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