title: docker ERROR: unknown blob
body: <p>On launching app using docker getting message  <code>ERROR: unknown blob</code> as per</p>
  
  <pre><code>docker-compose  -f /usr/local/tmp/khufu01/loud_deploy/nokube/dind/docker-compose.yml up -d 
  Pulling myimage(localhost:5000/forelsket/myimage:latest)...
  latest: Pulling from forelsket/myimage
  50aff78429b1: Pulling fs layer
  f6d82e297bce: Pulling fs layer
  fdd34fec4c74: Pulling fs layer
  151b5e27e3b4: Pulling fs layer
  d477e9b677eb: Pulling fs layer
  7e8156598779: Download complete
  ca2064fc9543: Download complete
  ERROR: unknown blob
  </code></pre>
  
  <p>after adding flag  --verbose to my docker-compose call it now shows</p>
  
  <pre><code>docker-compose --verbose  -f /usr/local/tmp/khufu01/loud_deploy/nokube/dind/docker-compose.yml up -d 
  Pulling myimage(localhost:5000/forelsket/myimage:latest)...
  latest: Pulling from forelsket/myimage
  50aff78429b1: Pulling fs layer
  f6d82e297bce: Pulling fs layer
  fdd34fec4c74: Pulling fs layer
  151b5e27e3b4: Pulling fs layer
  d477e9b677eb: Pulling fs layer
  7e8156598779: Download complete
  ca2064fc9543: Download complete
  ERROR: compose.cli.main.main: unknown blob
  </code></pre>
  
  <p>this is on linux using latest docker</p>
  
  <pre><code>docker 18.02.0-ce-rc2  
  Kernel Version: 4.4.0-112-generic
  Operating System: Ubuntu 16.04.3 LTS
  OSType: linux
  Architecture: x86_64
  </code></pre>
  
  <p>seems strange as this app ran fine this morning ... I am using a local docker repository of registry:2 at localhost:5000</p>