How to upload Docker images into Nexus docker Registry - Upload Docker images to Nexus Decker Registry.
Pre-Requistes:
Docker is installed and up and running.
Nexus is up and running and Docker registry is already configured. If you have not configured yet, click here to setup Nexus 3 to configure as Docker Registry.
Steps to configure in Docker to upload Docker images to Nexus
login to EC2 instance where you have installed Docker, try to perform below commands:
Configure Docker service to use insecure registry with http. Create Docker daemon file if it does not exist.
sudo vi /etc/docker/daemon.json
Add entries like below:
Enter Nexus URL along with port number used for Docker registry.
{
"insecure-registries" : ["nexus_public_dns_name:8085"]
}
Restart Docker daemon after above configuration changes.
sudo systemctl restart docker
sudo systemctl status docker
Make sure Docker was able to restart successfully. Press q to come out of above window.
Login to Docker Registry hosted in Nexus 3
Make sure you are able to login to Docker Registry hosted in Nexus by executing below command:
sudo docker login -u admin -p admin123 nexus_public_dns_name:8085
Download Dockerized code
git clone https://bitbucket.org/ananthkannan/mydockerrepo; cd mydockerrepo/pythonApp
Create a Docker image and tag the image per Nexus Registry
sudo docker build . -t nexus_public_dns_name:8085/mypythonapp
Push the image into Docker Registry
sudo docker push nexus_public_dns_name:8085/mypythonapp
Verify in Nexus if images are uploaded successfully
Login to Nexus, click on Browse, choose Docker registry
Please watch in YouTube channel for the demo:
No comments:
Post a Comment