buildkit/frontend/dockerfile/dockerfile.go

42 lines
919 B
Go

package dockerfile
import (
"context"
"github.com/moby/buildkit/frontend"
"github.com/moby/buildkit/frontend/dockerfile/builder"
solver "github.com/moby/buildkit/solver-next"
)
func NewDockerfileFrontend() frontend.Frontend {
return &dfFrontend{}
}
type dfFrontend struct{}
func (f *dfFrontend) Solve(ctx context.Context, llbBridge frontend.FrontendLLBBridge, opts map[string]string) (retRef solver.CachedResult, exporterAttr map[string][]byte, retErr error) {
c, err := llbBridgeToGatewayClient(ctx, llbBridge, opts)
if err != nil {
return nil, nil, err
}
defer func() {
for _, r := range c.refs {
if r != nil && (c.final != r || retErr != nil) {
r.Release(context.TODO())
}
}
}()
if err := builder.Build(ctx, c); err != nil {
return nil, nil, err
}
if c.final == nil || c.final.CachedResult == nil {
return nil, c.exporterAttr, nil
}
return c.final, c.exporterAttr, nil
}