Create Registry Credential for GitLabCI

Create Secret

• Get information :

username : the name of your deploy token
password : the value of token
email: your email
auth : base 64 username:password

you can generate auth with this command

echo "patoken:npAdzEy79ybtQdfdf" | base64
Result :  gHy5cm9sbGZyb250ZW5kdG9rZW46bnBBZHpFeTc5eWJ0UWtoaEtUaG0Y

• Create a yaml file 'registry-front-credentials.yml' with your informations

{
    "auths": {
        "https://registry.gitlab.com":{
            "username":"patoken",
            "password":"npAdYiy79ybtQdfdf",
            "email":"your@gmail.com",
            "auth":"gHy5cm9sbGZyb250ZW5kdG9rZW46bnBBZHpFeTc5eWJ0UWtoaEtUaG0Y"
        }
    }
}

• Encode with base64 the file above with this command

base64 registry-front-credentials.yml > output.txt
Result :  vi output.txt
rwogICAgImF1dGhzIjogewogYCAgICAgICJodHRwczovL3JlZ2lzdHJ5LmdpdGxhYi5jb20iOnsK
ICAgICAgICAgICAgInVzZXJuYW1lIjoicGF5cm9sbGZyb250ZW5kdG9rZW4iLAogICAgICAgICAg
ICAicGFzc3dvcmQiOiJucEFlekV5Nzl5YnRRa2hoS1RobSIsCiAgICAgICAgICAgICJlbWFpbCI6
InZpeGF3ZWJAZ21haWwuY29tIiwKICAgICAgICAgICAgImF1dGgiOiJjR0Y1Y205c2JHWnliMjUw
Wlc1a2RHOXJaVzQ2Ym5CQlpIcEZlVGM1ZVdKMFVXdG9hRXRVYUcwSyIKICAgICAgICB9CiAgICB9
GuYt

• Create the secret with Yaml file. Be attention the token in dockerconfigjson should be in one line

apiVersion: v1
kind: Secret
metadata:
  name: registryfront-credentials
type: kubernetes.io/dockerconfigjson
data:
  .dockerconfigjson: rwogICAgImF1dGhzIjogewogYCAgICAgICJodHRwczovL3JlZ2lzdHJ5LmdpdGxhYi5jb20iOnsK
ICAgICAgICAgICAgInVzZXJuYW1lIjoicGF5cm9sbGZyb250ZW5kdG9rZW4iLAogICAgICAgICAg
ICAicGFzc3dvcmQiOiJucEFlekV5Nzl5YnRRa2hoS1RobSIsCiAgICAgICAgICAgICJlbWFpbCI6
InZpeGF3ZWJAZ21haWwuY29tIiwKICAgICAgICAgICAgImF1dGgiOiJjR0Y1Y205c2JHWnliMjUw
Wlc1a2RHOXJaVzQ2Ym5CQlpIcEZlVGM1ZVdKMFVXdG9hRXRVYUcwSyIKICAgICAgICB9CiAgICB9
GuYt

• In your deploy file add the secret

apiVersion: apps/v1
kind: Deployment
metadata:
  name: payrollfrontend-deployment
  labels:
    app: payrollfrontend-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      app: payrollfrontend-deployment
  template:
    metadata:
      labels:
        app: payrollfrontend-deployment
    spec:
      containers:
        - name: payrollfrontend-deployment
          image: registry.gitlab.com/payrollgroup/payrollfrontend:main
      imagePullSecrets:
        - name: registryfront-credentials

• To see the secret

kubectl get secret registr-credentials -o jsonpath='{.data}'