title: ERROR: Version in "./docker-compose.yml" is unsupported. You might be seeing this error because you're using the wrong Compose file version
body: <p>Here is the docker-compose.yml</p>
  
  <pre><code>version: “2”
  services:
    web:
     build: .
     environment:
      MONGO_URI="mongodb://ravimongo:27017"
     ports:
      — “3000:3000”
     links:
      — ravimongo
     depends_on:
      — ravimongo
    ravimongo:
     image: mongo:3.2.6
     ports:
       — “27017:27017”
  </code></pre>
  
  <p>Here is the error:</p>
  
  <pre><code>ERROR: Version in "./docker-compose.yml" is unsupported. You might be seeing this error because you're using the wrong Compose file version. Either specify a supported version ("2.0", "2.1", "3.0") and place your service definitions under the `services` key, or omit the `version` key and place your service definitions at the root of the file to use version 1.
  For more on the Compose file format versions, see https://docs.docker.com/compose/compose-file/
  </code></pre>
  
  <p>Version details are as follows:
  docker-compose version</p>
  
  <pre><code>docker-compose version 1.11.2, build dfed245
  docker-py version: 2.1.0
  CPython version: 2.7.12
  OpenSSL version: OpenSSL 1.0.2j  26 Sep 2016
  </code></pre>
  
  <p>docker version</p>
  
  <pre><code>Client:
   Version:      17.03.1-ce
   API version:  1.27
   Go version:   go1.7.5
   Git commit:   c6d412e
   Built:        Tue Mar 28 00:40:02 2017
   OS/Arch:      darwin/amd64
  
  Server:
   Version:      17.03.1-ce
   API version:  1.27 (minimum version 1.12)
   Go version:   go1.7.5
   Git commit:   c6d412e
   Built:        Fri Mar 24 00:00:50 2017
   OS/Arch:      linux/amd64
   Experimental: true
  </code></pre>
  
  <p>I verified the yaml syntax in <a href="http://www.yamllint.com/" rel="noreferrer">http://www.yamllint.com/</a> and <a href="https://codebeautify.org/yaml-validator" rel="noreferrer">https://codebeautify.org/yaml-validator</a>. I am unable to find the problem.</p>