This is a Cloud Foundry/Heroku buildpack for Swift app, powered by SwiftPM (Swift Package Manager). It can be used on any Cloud Foundry, and administrators can upload an online (fetch assets from Internet) or offline (is bundled with buildpack assets) variation.
Check out a helloworld for a fully working example that can be deployed to any Cloud Foundry.
Example usage:
$ ls
Procfile Project.swift Sources
$ cf push -b https://github.com/cloudfoundry-community/swift-buildpack.git
-----> Downloaded app package (4.0K)
-----> Downloaded app buildpack cache (171M)
-----> Buildpack version 1.0.0
-----> Installing Swift 2.2-SNAPSHOT-2016-01-11-a
Downloaded Swift
-----> Installing Clang 3.7.0
Downloaded Clang
-----> Building Package
Cloning Packages/Curassow
Cloning Packages/Nest
Cloning Packages/Inquiline
Cloning Packages/Commander
Compiling Swift Module 'Nest' (1 sources)
Linking Library: .build/release/Nest.a
Compiling Swift Module 'Inquiline' (3 sources)
Linking Library: .build/release/Inquiline.a
Compiling Swift Module 'Commander' (8 sources)
Linking Library: .build/release/Commander.a
Compiling Swift Module 'Curassow' (7 sources)
Linking Library: .build/release/Curassow.a
Compiling Swift Module 'HelloWorld' (1 sources)
Linking Executable: .build/release/HelloWorld
-----> Copying dynamic libraries
-----> Copying binaries to 'bin'The buildpack will detect your app as Swift if it has a Package.swift file in the root.
Using the Procfile, you can set the process to run for your web server. Any binaries built from your Swift source using SwiftPM will be placed in your $PATH.
web: HelloWorld --workers 3 --bind 0.0.0.0:$PORTYou can also customise the version of Swift used with a .swift-version file in your repository:
$ cat .swift-version
2.2-SNAPSHOT-2016-01-11-aSee manifest.yml for supported versions.
NOTE: Since there are frequent Swift language changes, it's advised that you pin to your Swift version.
If the buildpack preparation or compilation steps are failing then you can enable some debugging:
cf set-env <appname> BP_DEBUG 1
To deactivate:
cf unset-env <appname> BP_DEBUG
wget https://github.com/cloudfoundry-community/swift-buildpack/releases/download/v1.0.0/swift_buildpack-cached-v1.0.0.zip
cf create-buildpack swift_buildpack swift_buildpack*.zip 10
Or to update:
wget https://github.com/cloudfoundry-community/swift-buildpack/releases/download/v1.0.0/swift_buildpack-cached-v1.0.0.zip
cf update-buildpack swift_buildpack -p swift_buildpack*.zip
The two buildpack zip files are built from two different manifest.yml files:
BUNDLE_GEMFILE=cf.Gemfile bundle install
BUNDLE_GEMFILE=cf.Gemfile bundle exec buildpack-packager --uncached --use-custom-manifest manifest.yml
BUNDLE_GEMFILE=cf.Gemfile bundle exec buildpack-packager --cached --use-custom-manifest manifest-cached.yml
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