title: Docker + WerckerCi: Tag not found
body: <p>Error:
  <code>2945b19971bcc3626a0b96ee0edec5da16db05db not found in repository onitsoft/nexchange"</code></p>
  
  <p>From wercker run:</p>
  
  <pre><code>export WERCKER_STEP_ROOT="/pipeline/script-f4758b11-fd79-4526-8b0f-93abac20a880"
  export WERCKER_STEP_ID="script-f4758b11-fd79-4526-8b0f-93abac20a880"
  export WERCKER_STEP_OWNER="wercker"
  export WERCKER_STEP_NAME="script"
  export WERCKER_REPORT_NUMBERS_FILE="/report/script-f4758b11-fd79-4526-8b0f-93abac20a880/numbers.ini"
  export WERCKER_REPORT_MESSAGE_FILE="/report/script-f4758b11-fd79-4526-8b0f-93abac20a880/message.txt"
  export WERCKER_REPORT_ARTIFACTS_DIR="/report/script-f4758b11-fd79-4526-8b0f-93abac20a880/artifacts"
  source "/pipeline/script-f4758b11-fd79-4526-8b0f-93abac20a880/run.sh" &lt; /dev/null
  Warning: Permanently added 'nexchange.co.uk,46.101.109.222' (ECDSA) to the list of known hosts.
  Pseudo-terminal will not be allocated because stdin is not a terminal.
  Welcome to Ubuntu 14.04.4 LTS (GNU/Linux 3.13.0-85-generic x86_64)
  
   * Documentation:  https://help.ubuntu.com/
  
    System information as of Thu Jul 21 10:39:17 EDT 2016
  
    System load:  0.02               Processes:              79
    Usage of /:   90.0% of 19.56GB   Users logged in:        0
    Memory usage: 8%                 IP address for eth0:    46.101.109.222
    Swap usage:   0%                 IP address for docker0: 172.17.42.1
  
    =&gt; / is using 90.0% of 19.56GB
  
    Graph this data and manage this system at:
      https://landscape.canonical.com/
  
  50 packages can be updated.
  25 updates are security updates.
  
  WARNING: login credentials saved in /home/wercker/.dockercfg.
  Login Succeeded
  2945b19971bcc3626a0b96ee0edec5da16db05db: Pulling from onitsoft/nexchange
  5cd2fc295c2d: Pulling fs layer
  8ebeee85900d: Already exists
  42144437676a: Already exists
  1fce3d4550ae: Already exists
  bf1e607c2842: Already exists
  52b692b39533: Already exists
  1be0ba3ef303: Already exists
  ae2720c39512: Already exists
  0a0f2ba57426: Already exists
  1f918a6cd980: Already exists
  46d868b19364: Already exists
  92cf95dd3c34: Already exists
  a8a1579fd430: Already exists
  b8a57c6e765a: Already exists
  39820a3310c1: Already exists
  7da5586e8893: Already exists
  54586b8a57a3: Already exists
  6ba35912dacf: Already exists
  ff3863944b81: Already exists
  7364542ca8a1: Already exists
  5cd2fc295c2d: Verifying Checksum
  5cd2fc295c2d: Download complete
  Pulling repository onitsoft/nexchange
  time="2016-07-21T10:39:48-04:00" level=fatal msg="Tag 2945b19971bcc3626a0b96ee0edec5da16db05db not found in repository onitsoft/nexchange" 
  Unable to find image 'onitsoft/nexchange:2945b19971bcc3626a0b96ee0edec5da16db05db' locally
  2945b19971bcc3626a0b96ee0edec5da16db05db: Pulling from onitsoft/nexchange
  5cd2fc295c2d: Pulling fs layer
  8ebeee85900d: Already exists
  42144437676a: Already exists
  1fce3d4550ae: Already exists
  bf1e607c2842: Already exists
  52b692b39533: Already exists
  1be0ba3ef303: Already exists
  ae2720c39512: Already exists
  0a0f2ba57426: Already exists
  1f918a6cd980: Already exists
  46d868b19364: Already exists
  92cf95dd3c34: Already exists
  a8a1579fd430: Already exists
  b8a57c6e765a: Already exists
  39820a3310c1: Already exists
  7da5586e8893: Already exists
  54586b8a57a3: Already exists
  6ba35912dacf: Already exists
  ff3863944b81: Already exists
  7364542ca8a1: Already exists
  5cd2fc295c2d: Verifying Checksum
  5cd2fc295c2d: Download complete
  Pulling repository onitsoft/nexchange
  time="2016-07-21T10:40:12-04:00" level=fatal msg="Tag 2945b19971bcc3626a0b96ee0edec5da16db05db not found in repository onitsoft/nexchange"
  </code></pre>