Buildpack API 0.4

Buildpack API 0.4

This release of the Cloud Native Buildpacks Specification defines Buildpack API 0.4.

Additions

• Buildpack API for windows! (#121)
• Semantic handling of args for direct=false processes during launch (#106, #116, RFC 0045)

Breaking Changes

• For process types where direct=false in linux containers, args will be treated as tokens in the command rather than as arguments to bash (#106, #116, RFC 0045)

Platform API 0.3

Platform API 0.3

This release of the Cloud Native Buildpacks Specification defines Platform API 0.3.

This release contains a more detailed and comprehensive specification of the platform/lifecycle contract. Because this release includes a rewrite of the paltform API (#87) the following list of additions is not comprehensive.

Notable Additions

• creator executable that runs all build phases (#87)
• rebaser executable (#87)
• Project Metadata may be used to add source metadata to app images (#81, RFC 0013)
• CNB_PLATFORM_API can be used to select a platform API (#92, #87, RFC 0041)
• Build Reproducibility (#47, #111)

Buildpack API 0.3

Buildpack API 0.3

This release of the Cloud Native Buildpacks Specification defines Buildpack API 0.3.

Additions

• Buildpack homepage (#76, RFC 0037)
• Buildpacks can provide image labels (#84, RFC 0034)
• Stricter requirements for buildpack versions (#85, RFC 0035)
• Lifecycle sets CNB_BUILDPACK_DIR in buildpack environment (#94, #99, RFC 0036)
• the api key in buildpack.toml can be used to select a buildpack API version (#93, #100, RFC 0041)
• Buildpack can define process-specific environment variables and profiles scripts (#98, RFC 0042)

Deprecations

• requires.version and entries.version are deprecated in the Build Plan and Buildpack Plan respectively (#97, RFC 0043)

Removals

• Some content has been moved to it's proper home in the platform specification and removed from the buildpack specification (#108, #109)