benchmark cloudbuild

benchmarking building containers in cloud build

Benchmark building containers

for my use case: small Go microservice repos with multistage build

conclusion: use docker build

test case

reference repo: authed, 100 lines of code, +vendored grpc, grpcweb, firebase

cache == nothing changed .dockerignore

kaniko no cache multistage

89s, 85s

kaniko cache multistage

93s, 85s

docker build no cache multistage

60s, 57s

docker build cache multistage

58s, 56s

buildah no cache multistage

140s, 138s

img no cache multistage

130s, 120s