46 lines
827 B
Go
46 lines
827 B
Go
package main
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import (
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"flag"
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"io/ioutil"
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"log"
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"os"
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"github.com/moby/buildkit/client/llb"
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"github.com/moby/buildkit/client/llb/imagemetaresolver"
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"github.com/moby/buildkit/frontend/dockerfile/dockerfile2llb"
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"github.com/moby/buildkit/util/appcontext"
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)
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type buildOpt struct {
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target string
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}
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func main() {
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var opt buildOpt
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flag.StringVar(&opt.target, "target", "", "target stage")
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flag.Parse()
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df, err := ioutil.ReadAll(os.Stdin)
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if err != nil {
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panic(err)
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}
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state, img, err := dockerfile2llb.Dockerfile2LLB(appcontext.Context(), df, dockerfile2llb.ConvertOpt{
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MetaResolver: imagemetaresolver.Default(),
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Target: opt.target,
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})
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if err != nil {
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log.Printf("err: %+v", err)
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panic(err)
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}
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_ = img
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dt, err := state.Marshal()
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if err != nil {
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panic(err)
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}
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llb.WriteTo(dt, os.Stdout)
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}
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