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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/quickstart/" title="Quick Start" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/quickstart/">
            <b>1. </b>Quick Start
            
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/quickstart/introduction/" title="Introduction" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/quickstart/introduction/">
          Introduction
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/quickstart/prerequisites/" title="Before you begin" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/quickstart/prerequisites/">
          Before you begin
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/quickstart/get-images/" title="Get images" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/quickstart/get-images/">
          Get images
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/quickstart/install/" title="Install the operator and load balancer" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/quickstart/install/">
          Install the operator and load balancer
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/quickstart/prepare/" title="Prepare for a domain" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/quickstart/prepare/">
          Prepare for a domain
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/quickstart/create-domain/" title="Create a domain" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/quickstart/create-domain/">
          Create a domain
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/quickstart/cleanup/" title="Clean up" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/quickstart/cleanup/">
          Clean up
          
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/" title="User Guide" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/">
            <b>2. </b>User Guide
            
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/introduction/" title="Introduction" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/introduction/">
            Introduction
            
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/introduction/introduction/" title="Get started" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/introduction/introduction/">
          Get started
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/introduction/demo/" title="Demo" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/introduction/demo/">
          Demo
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/introduction/architecture/" title="Architecture" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/introduction/architecture/">
          Architecture
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/introduction/design/" title="Design philosophy" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/introduction/design/">
          Design philosophy
          
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/overview/" title="Overview" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/overview/">
            Overview
            
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          <ul>
            
            
            
            
          
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/overview/prepare/" title="Prepare your environment" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/overview/prepare/">
          Prepare your environment
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/overview/k8s-setup/" title="Set up Kubernetes" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/overview/k8s-setup/">
          Set up Kubernetes
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/overview/database/" title="Run a database" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/overview/database/">
          Run a database
          
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-operators/" title="Manage operators" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-operators/">
            Manage operators
            
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          <ul>
            
            
              
            
            
            
          
            
              
              
  
  
   
    
      
      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-operators/installation/" title="Install the operator" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-operators/installation/">
            Install the operator
            
        </a>
        
                
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-operators/using-the-operator/" title="Use the operator" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-operators/using-the-operator/">
            <b> </b>Use the operator
            
        </a>
        
        
          <ul>
            
            
            
            
          
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-operators/using-the-operator/using-helm/" title="Use Helm" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-operators/using-the-operator/using-helm/">
          Use Helm
          
          </a>
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-operators/using-the-operator/the-rest-api/" title="The REST API" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-operators/using-the-operator/the-rest-api/">
          The REST API
          
          </a>
      </li>
       
    
   
  
              
            
          
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/" title="Manage domains" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/">
            Manage domains
            
        </a>
        
        
          <ul>
            
            
              
            
            
            
          
            
              
              
  
  
   
    
      
      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/choosing-a-model/" title="Choose a model" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/choosing-a-model/">
            <b> </b>Choose a model
            
        </a>
        
                
      </li>
    
   
  
              
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/prepare/" title="Prepare to run a domain" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/prepare/">
          <b> </b>Prepare to run a domain
          
          </a>
      </li>
       
    
   
  
              
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-resource/" title="Domain resource" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-resource/">
          <b> </b>Domain resource
          
          </a>
      </li>
       
    
   
  
              
            
              
              
  
  
   
    
      
      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/persistent-storage/" title="Persistent storage" class="dd-item 
          
          
          
          ">
        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/persistent-storage/">
            <b> </b>Persistent storage
            
        </a>
        
                
      </li>
    
   
  
              
            
              
              
  
  
   
    
      
      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-in-image/" title="Domain in image" class="dd-item 
          
          
          
          ">
        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-in-image/">
            <b> </b>Domain in image
            
        </a>
        
        
          <ul>
            
            
              
            
            
            
          
            
              
              
  
  
   
    
      
      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-in-image/base-images/" title="Base images" class="dd-item 
          
          
          
          ">
        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-in-image/base-images/">
            Base images
            
        </a>
        
                
      </li>
    
   
  
              
            
          
          </ul>
                
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/fmw-infra/" title="FMW domains" class="dd-item 
          
          
          
          ">
        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/fmw-infra/">
            <b> </b>FMW domains
            
        </a>
        
                
      </li>
    
   
  
              
            
              
              
  
  
   
    
      
      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/configoverrides/" title="Configuration overrides" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/configoverrides/">
            <b> </b>Configuration overrides
            
        </a>
        
                
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/ingress/" title="Ingress" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/ingress/">
            <b> </b>Ingress
            
        </a>
        
                
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/accessing-the-domain/" title="Accessing the domain" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/accessing-the-domain/">
            <b> </b>Accessing the domain
            
        </a>
        
        
          <ul>
            
            
            
            
          
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/accessing-the-domain/wlst/" title="Using WLST" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/accessing-the-domain/wlst/">
          Using WLST
          
          </a>
      </li>
       
    
   
  
              
            
          
          </ul>
                
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-lifecycle/" title="Domain life cycle" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-lifecycle/">
            <b> </b>Domain life cycle
            
        </a>
        
        
          <ul>
            
            
            
            
          
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-lifecycle/startup/" title="Startup and shutdown" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-lifecycle/startup/">
          Startup and shutdown
          
          </a>
      </li>
       
    
   
  
              
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-lifecycle/restarting/" title="Restarting" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-lifecycle/restarting/">
          Restarting
          
          </a>
      </li>
       
    
   
  
              
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-lifecycle/scaling/" title="Scaling" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/managing-domains/domain-lifecycle/scaling/">
          Scaling
          
          </a>
      </li>
       
    
   
  
              
            
          
          </ul>
                
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/" title="CI/CD considerations" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/">
            CI/CD considerations
            
        </a>
        
        
          <ul>
            
            
            
            
          
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/layering/" title="Docker image layering" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/layering/">
          Docker image layering
          
          </a>
      </li>
       
    
   
  
              
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/why-layering-matters/" title="Why layering matters" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/why-layering-matters/">
          Why layering matters
          
          </a>
      </li>
       
    
   
  
              
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/choose-an-approach/" title="Choose an approach" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/choose-an-approach/">
          Choose an approach
          
          </a>
      </li>
       
    
   
  
              
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/mutate-the-domain-layer/" title="Mutate the domain layer" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/mutate-the-domain-layer/">
          Mutate the domain layer
          
          </a>
      </li>
       
    
   
  
              
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/how-to-copy-domains/" title="Copy domains" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/how-to-copy-domains/">
          Copy domains
          
          </a>
      </li>
       
    
   
  
              
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/tools/" title="Tools" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/userguide/cicd/tools/">
          Tools
          
          </a>
      </li>
       
    
   
  
              
            
          
          </ul>
                
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/samples/" title="Samples" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/">
            <b>3. </b>Samples
            
        </a>
        
        
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/samples/simple/" title="Simple samples" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/simple/">
            <b> </b>Simple samples
            
        </a>
        
        
          <ul>
            
            
              
            
            
            
          
            
              
              
  
  
   
    
      
      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/samples/simple/credentials/" title="Credentials" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/simple/credentials/">
            Credentials
            
        </a>
        
                
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/samples/simple/storage/" title="Storage" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/simple/storage/">
            Storage
            
        </a>
        
                
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/samples/simple/domains/" title="Domains" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/simple/domains/">
            Domains
            
        </a>
        
        
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/simple/domains/manually-create-domain/">
            Manually
            
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/samples/simple/domains/fmw-domain/" title="FMW Infrastructure domain" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/simple/domains/fmw-domain/">
            FMW Infrastructure domain
            
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/simple/domains/domain-home-on-pv/">
            Domain home on a PV
            
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/simple/domains/domain-home-in-image/">
            Domain home in image
            
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/simple/domains/delete-domain/">
            Delete domain resources
            
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            REST APIs
            
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/simple/ingress/">
            Ingress
            
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        <a href="/weblogic-kubernetes-operator/2.2.1/samples/simple/elastic-stack/">
            Elastic Stack
            
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        <a href="/weblogic-kubernetes-operator/2.2.1/developerguide/">
            <b>4. </b>Developer Guide
            
        </a>
        
        
          <ul>
            
            
            
            
          
            
              
              
  
  
   
    
      
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          Requirements
          
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          Building
          
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          Integration tests
          
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          Branching
          
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          Coding standards
          
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          Code structure
          
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          Asynchronous call model
          
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          <a href="/weblogic-kubernetes-operator/2.2.1/developerguide/domain-processing/">
          Domain processing
          
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          Documentation
          
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          <a href="/weblogic-kubernetes-operator/2.2.1/developerguide/backwards-compatibility/">
          Backward compatibility
          
          </a>
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/reference/" title="Reference" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/reference/">
            <b>5. </b>Reference
            
        </a>
        
        
          <ul>
            
            
            
            
          
            
              
              
  
  
   
    
      
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          Javadoc
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/reference/swagger/" title="Swagger" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/reference/swagger/">
          Swagger
          
          </a>
      </li>
       
    
   
  
              
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/reference/domain-resource/" title="Domain resource" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/reference/domain-resource/">
          Domain resource
          
          </a>
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      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/security/" title="Security" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/security/">
            <b>6. </b>Security
            
        </a>
        
        
          <ul>
            
            
              
            
            
            
          
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/security/certificates/" title="Certificates" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/security/certificates/">
          Certificates
          
          </a>
      </li>
       
    
   
  
              
            
              
              
  
  
   
    
      
      <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/security/domain-security/" title="Domain security" class="dd-item 
          
          
          
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        <a href="/weblogic-kubernetes-operator/2.2.1/security/domain-security/">
            Domain security
            
        </a>
        
        
          <ul>
            
            
            
            
          
            
              
              
  
  
   
    
      
        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/security/domain-security/image-protection/" title="Docker image protection" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/security/domain-security/image-protection/">
          Docker image protection
          
          </a>
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/security/domain-security/weblogic-channels/" title="Channels" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/security/domain-security/weblogic-channels/">
          Channels
          
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          </ul>
                
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/security/encryption/" title="Encryption" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/security/encryption/">
          Encryption
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/security/service-accounts/" title="Service accounts" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/security/service-accounts/">
          Service accounts
          
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/security/rbac/" title="RBAC" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/security/rbac/">
          RBAC
          
          </a>
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        <li data-nav-id="/weblogic-kubernetes-operator/2.2.1/security/secrets/" title="Secrets" class="dd-item ">
          <a href="/weblogic-kubernetes-operator/2.2.1/security/secrets/">
          Secrets
          
          </a>
      </li>
       
    
   
  
              
            
          
          </ul>
                
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          Coherence Requirements
          
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          Cannot Pull Image
          
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              <a href='/weblogic-kubernetes-operator/2.2.1/'></a> > <a href='/weblogic-kubernetes-operator/2.2.1/faq/'>Frequently asked questions</a> > Cannot Pull Image
            
           
            
           
            
          
                   
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  <ul>
  <li><a href="#images-that-require-authentication">Images that require authentication</a></li>
  <li><a href="#manually-copying-the-image-to-your-worker-nodes">Manually copying the image to your worker nodes</a></li>
  <li><a href="#restart-pods-to-clear-the-error">Restart pods to clear the error</a></li>
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              <h1>Cannot Pull Image</h1>
            
  
          
  
  
  
  
  <blockquote>
  <p>My domain will not start and I see errors like <code>ImagePullBackoff</code> or <code>Cannot pull image</code></p>
  </blockquote>
  
  <p>When you see these kinds of errors, it means that Kubernetes cannot find your Docker image.
  The most common causes are:</p>
  
  <ul>
  <li>The <code>image</code> value in your domain resource is set incorrectly, meaning Kubernetes will be
  trying to pull the wrong image.</li>
  <li>The image requires authentication or permission in order to pull it and you have not
  configured Kubernetes with the necessary credentials, for example in an <code>imagePullSecret</code>.</li>
  <li>You built the image on a machine that is not where your <code>kubelet</code> is running and Kubernetes
  cannot see the image, meaning you need to copy the image to the worker nodes or put it in
  a Docker registry that is accessible the to all of the worker nodes.</li>
  </ul>
  
  <p>Let&rsquo;s review what happens when Kubernetes starts a pod.</p>
  
  <p><img src="/weblogic-kubernetes-operator/images/image-pull.png" alt="Pulling an image" /></p>
  
  <p>The definition of the pod contains a list of container specifications.  Each container
  specification contains the name (and optionally, tag) of the image that should be used
  to run that container.  In the example above, there is a container called <code>c1</code> which is
  configured to use the Docker image <code>some.registry.com/owner/domain1:1.0</code>.  This image
  name is in the format <code>registry address / owner / name : tag</code>, so in this case the
  registry is <code>some.registry.com</code>, the owner is <code>owner</code>, the image name is <code>domain</code>
  and the tag is <code>1.0</code>.  Tags are a lot like version numbers, but they are not required
  to be numbers or to be in any particular sequence or format.  If you omit the tag, it
  is assumed to be <code>latest</code>.</p>
  
  <div class="notices note" >
  The Docker tag `latest` is confusing - it does not actually mean the latest version of
  the image that was created or published in the registry; it just literally means
  whichever version the owner decided to call "latest".  Docker and Kubernetes make
  some assumptions about latest, and it is generally recommended to avoid using it and instead
  specify the actual version/tag that you really want.
  </div>
  
  <p>First, Kubernetes will check to see if the requested image is available in the local
  Docker image store on whichever worker node the pod was scheduled on.  If it is there,
  then it will use that image to start the container.  If it is not there, then Kubernetes
  will attempt to pull the image from a remote Docker registry.</p>
  
  <div class="notices note" >
  There is another setting called `imagePullPolicy` that can be used to force Kubernetes
  to always pull the image, even if it is already present in the local Docker image
  store.
  </div>
  
  <p>If the image is available in the remote registry and it is public, that is it does not
  require authentication, then Kubernetes will pull the image to the local Docker image
  store and start the container.</p>
  
  <h4 id="images-that-require-authentication">Images that require authentication</h4>
  
  <p>If the remote Docker registry requires authentication, then you will need to provide
  the authentication details in a Kubernetes <code>docker-registry</code> secret and tell Kubernetes
  to use that secret when pulling the image.</p>
  
  <p>To create a secret, you can use the following command:</p>
  
  <pre><code>kubectl create secret docker-registry secret1 \
          --docker-server=some.registry.com \
          --docker-username=bob \
          --docker-password=bigSecret \
          --docker-email=bob@some.com \
          --namespace=default
  </code></pre>
  
  <p>In this command, you would replace <code>secret1</code> with the name of the secret; the <code>docker-server</code>
  is set to the registry name, without the <code>https://</code> prefix; the <code>docker-username</code>, <code>docker-password</code>
  and <code>docker-email</code> are set to match the credentials you use to authenticate to the remote
  Docker registry; and the <code>namespace</code> must be set to the same namespace where you intend to
  use the image.</p>
  
  <div class="notices note" >
  Some registries may need a suffix making the `docker-server` something like `some.registry.com/v2`
  for example.  You will need to check with your registry provider's documentation to see if this is needed.
  </div>
  
  <p>After the secret is created, you need to tell Kubernetes to use it.  This is done by adding
  an <code>imagePullSecret</code> to your Kubernetes YAML file.  In the case of a WebLogic domain, you
  add the secret name to the <code>imagePullSecret</code> in the domain custom resource YAML file.</p>
  
  <p>Here is an example of part of a domain custom resource file with the <code>imagePullSecret</code> above
  specified:</p>
  
  <pre><code>apiVersion: &quot;weblogic.oracle/v2&quot;
  kind: Domain
  metadata:
    name: domain1
    namespace: default
    labels:
      weblogic.resourceVersion: domain-v2
      weblogic.domainUID: domain1
  spec:
    domainHome: /u01/oracle/user_projects/domains/domain1
    domainHomeInImage: true
    image: &quot;some.registry.com/owner/domain1:1.0&quot;
    imagePullPolicy: &quot;IfNotPresent&quot;
    imagePullSecrets:
    - name: secret1
  </code></pre>
  
  <p>Alternatively, you can associate the secret with the service account that will be used to run
  the pod.  If you do this, then you will not need to add the <code>imagePullSecret</code> to the domain
  resource.  This is useful if you are running multiple domains in the same namespace.</p>
  
  <p>To add the secret shown above to the <code>default</code> service account in the <code>weblogic</code> namespace, you
  would use a command like this:</p>
  
  <pre><code>kubectl patch serviceaccount default \
          -n weblogic \
          -p '{&quot;imagePullSecrets&quot;: [{&quot;name&quot;: &quot;secret1&quot;}]}'
  </code></pre>
  
  <div class="notices note" >
  You can provide mutliple `imagePullSecrets` if you need to pull Docker images from multiple
  remote Docker registries or if your images require different authentication credentials.
  For more information, see [Docker Image Protection](/weblogic-kubernetes-operator/2.2.1/security/domain-security/image-protection/#weblogic-domain-in-docker-image-protection)
  under **Security**.
  </div>
  
  <h4 id="manually-copying-the-image-to-your-worker-nodes">Manually copying the image to your worker nodes</h4>
  
  <p>If you are not able to use a remote Docker registry, for example if your Kubernetes cluster is
  in a secure network with no external access, you can manually copy the Docker images to the
  cluster instead.</p>
  
  <p>On the machine where you created the image, export it into a tar file using this command:</p>
  
  <pre><code>docker save domain1:1.0 &gt; domain1.tar
  </code></pre>
  
  <p>Then copy that tar file to each worker node in your Kubernetes cluster and run this command
  on each node:</p>
  
  <pre><code>docker load &lt; domain1.tar
  </code></pre>
  
  <h4 id="restart-pods-to-clear-the-error">Restart pods to clear the error</h4>
  
  <p>After you have ensured that the images are accessible on all worker nodes, you may need to restart
  the pods so that Kubernetes will attempt to pull the images again.   You can do this by
  deleting the pods themselves, or deleting the domain resource and then recreating it.</p>
  
  
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