Changed basic auth to managed identity

Jenkinsfile

@@ -39,7 +39,8 @@ pipeline {
                 container('docker') {
                     sh '''
                     docker build -t ${DOCKER_IMAGE} .
-                    echo "${ACR_PASSWORD}" | docker login marcin00.azurecr.io -u ${ACR_USERNAME} --password-stdin
+                    az login --identity
+                    az acr login --name marcin00
                     docker push ${DOCKER_IMAGE}
                     '''
                 }

podTemplate.yaml

@@ -30,19 +30,11 @@ spec:
           mountPath: /home/jenkins/agent
 
     - name: docker
-      image: docker:dind
-      command:
-        - dockerd-entrypoint.sh
-      args:
-        - "-H"
-        - "tcp://0.0.0.0:2375"
+      image: marcin00.azurecr.io/azure-cli-docker:slim-bookworm
       tty: true
       workingDir: /home/jenkins/agent
       securityContext:
         privileged: true
-      env:
-        - name: DOCKER_TLS_CERTDIR
-          value: ""
       volumeMounts:
         - name: workspace-volume
           mountPath: /home/jenkins/agent