Deploying First Application to Cloud Foundry

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Title Text Body Level One Body Level Two Body Level Three Body Level Four Body Level Five Deploying ﬁrst application to Cloud Foundry Cloud Foundry Summit Hague 2019 Dr Nic Williams @drnic

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@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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@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 [email protected] -p pa55woRD cf login -u [email protected] -p "my password" cf login -u [email protected] -p "\"password\"" cf login --sso (obtain a one-time passcode to login)

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

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

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@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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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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@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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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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@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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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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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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@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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@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