v0.9.0-rc1

Welcome to the 0.9.0-rc1 release of buildkit!
This is a pre-release of buildkit

Notable Changes

• Builtin Dockerfile frontend defaults to v1.3.0-rc1 including support for RUN --network and Here-documents in labs channel. Dockerfile changelog Dockerfile labs changelog

• Errors have been improved by removing gRPC wrapping and providing suggestions for typos #2218 #2047 #2215 #2183

• Add support for subdirectories when building from Git source #2116

• Buildkitd config allows max-parallelism for limiting the parallelism of the BuildKit solver for low-powered machines #2049

• OpenTracing providers have been replaced with support for OpenTelemetry #2152 #2192

• New OpenTelemetry support allows forwarding traces with control API from the client or from user programs in llb.Exec container #2163

• Git: Default branch name is now detected correctly from remote #2228

• Allow forcing specific compression on exported layers even if another blob exists #2057

• Plain progress mode now prints last logs of failed command in error summary #2214

• Plain progress mode does not print to LLB vertex digest anymore to avoid confusion #2126

• Buildctl allows --metadata-file flag to output build metadata #2095

• This is the first release supporting Risc-V (experimental) #2222

• This is the first release supporting MacOS ARM64 and Windows ARM64 for buildctl #2037 #2187

• Runc has been updated to v1.0.0 GA #2143

• RootlessKit has been updated to v0.14.2 #2102

• Embedded QEMU emulators have been updated to v6.0.0 #2225

• LLB: Root directory can now be copied from empty references without causing an error or panic #2197

• LLB: Ensure image metadata resolver uses platform constraints set by marshaler #2196

• LLB: Copy operation now allows include and exclude filters to limit the copied files #2082

• Stargz snapshotter now supports authentication from Docker config #1733 #2165

• Support Windows OpenSSH agent forwarding #2127

• Handle expired tokens errors better #2062 #1957

• LLB: Support ALL_PROXY as a proxy environment variable that does not stay in build cache #2086

• Buildkit release images now contain OpenSSH #2135

• Enable containerd labels in buildctl debug workers and make their order deterministic #2070 #2071

• Gracefully handle client-side token seed errors #2050

• Pushing multi-platform images will not try to overwrite image tag internally multiple times. This is important for registries that support immutable tags. #2020

• Fix logs clipping behavior and double the limits #1934

• Support socket activation with --addr fd:// #1924

• Fix issue where Dockerfile with the same metadata and timestamps as another build could pick up its build cache by introducing a "none" differ for transferring local files that ignores metadata matches. #2081

• Fix rare "retry timeout exceeded" errors in job synchronization #2195

• Ensure containerd executor always waits for IO to complete before returning from Exec/Run. #2205

• Fix pulling layers that have already been pulled with different compression. #2226

• Fix some syncronisation errors #2178 #2177 #2156 #2052 #2051

• Fix goroutine leak from progress writing #2203

Please try out the release binaries and report any issues at
https://github.com/moby/buildkit/issues.

Contributors

• Tõnis Tiigi
• Akihiro Suda
• Aaron Lehmann
• Sebastiaan van Stijn
• CrazyMax
• Tibor Vass
• Alex Couture-Beil
• Justin Chadwell
• Kohei Tokunaga
• Cory Bennett
• Erik Sipsma
• Siebe Schaap
• Vlad A. Ionescu
• Levi Harrison
• Brian Goff
• Edgar Lee
• Anders F Björklund
• Charles Korn
• Corey Larson
• Jesse Rittner
• Justin Garrison
• Marko Kohtala
• Omer Mizrahi
• Pierre Fenoll
• Rob Taylor
• Yamazaki Masashi
• zhangwenlong