Deploying First Application to Cloud Foundry

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   Deploying first application
   to Cloud Foundry
   Cloud Foundry Summit Hague 2019
   Dr Nic Williams @drnic
   

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3. @drnic
   Install
   cf CLI
   $ Mac, Windows, Linux
   https://docs.cloudfoundry.org/cf-cli/install-go-cli.html
   v6
   cf7
   https://docs.cloudfoundry.org/cf-cli/v7.html
   UX changes in progress
   v7
   

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4. @drnic
   cf login --help
   USAGE:
   cf login [-a API_URL] [-u USERNAME] [-p PASSWORD] [-o ORG]
   [-s SPACE] [--sso | --sso-passcode PASSCODE]
   EXAMPLES:
   cf login (login interactively)
   cf login -u name@example.com -p pa55woRD
   cf login -u name@example.com -p "my password"
   cf login -u name@example.com -p "\"password\""
   cf login --sso (obtain a one-time passcode to login)
   

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5. @drnic https://www.cloudfoundry.org/certified-platforms/
   cf login --api
   

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6. https://github.com/cloudfoundry-incubator/cfdev/
   cf dev start
   

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7. @drnic
   # deploy to cf
   cf push tiny-ruby
   # local
   git clone https://tinyurl.com/tiny-ruby
   cd tiny-ruby
   bundle install
   rackup --port 8080
   

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8. cf push -b ruby_buildpack
   cf push -m 256M
   cf push -i 2
   # config is reused for future deployments
   cf push tiny-ruby
   

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9. @drnic
   cf create-app-manifest tiny-ruby \
   -p manifest.yml
   # automatic discovery of name & config
   cf push
   # edit manifest.yml
   cf push
   

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10. cf logs tiny-ruby --recent
    # watch for future logs
    cf logs
    # application logs
    [APP/PROC/WEB/4] OUT Happy print statement
    [APP/PROC/WEB/4] ERR Sad panda
    

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11. @drnic
    cf help -a
    # => 300 lines of commands
    cf repo-plugins
    # => 80+ community plugins
    cf install-plugin open
    cf open tiny-ruby
    

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12. cf marketplace
    # => different for every Cloud Foundry
    cf marketplace -s elephantsql
    service plan description
    turtle 4 conn, 20MB Storage
    panda 20 conn, 2GB Storage
    hippo 300 conns, 100 GB Storage
    elephant 300 conns, 1000 GB Storage
    

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13. cf create-service elephantsql turtle db
    Creating service instance
    cf bind-service tiny-ruby db
    Binding service db to app tiny-ruby…
    cf restart tiny-ruby
    cf service-open db
    Open service dashboard to browser
    

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14. @drnic
    cf ssh tiny-ruby
    vcap@ffa0:~$
    /tmp/lifecycle/shell
    # => loads app environment into shell
    ps ax
    15 … /home/vcap/deps/0/vendor_bundle/
    ruby/2.4.0/bin/rackup config.ru -p 8080
    

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15. @drnic
    env
    # => all env vars provided to app
    echo "$VCAP_SERVICES"
    # => app discovery of available services
    Convert $VCAP_SERVICES into application config files before app start
    https://github.com/starkandwayne/ghost-for-cloudfoundry/blob/master/.profile
    

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16. @drnic https://www.cloudfoundry.org/certified-platforms/
    cf login --api
    

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