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Questions tagged [docker-buildkit]

52 questions
47
votes
2 answers

When using BuildKit with Docker, how do I see the output of RUN commands?

When building Docker images with DOCKER_BUILDKIT=1, there is a very cool progress indicator but no command output. How do I see the command output to debug my build?
joeforker
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35
votes
2 answers

How do you enable BuildKit with docker-compose?

I tried export DOCKER_BUILDKIT=1 before a docker-compose build command and I did not see the expected BuildKit output. What did I miss?
Archimedes Trajano
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13
votes
2 answers

Using Docker Buildkit on Google Cloud Build

I'm trying to use BuildKit with Docker on Google Cloud Build so that I can eventually use the --secret flag. I'm using Build Enhancements for Docker as a reference. It works on my laptop when I use the following command: DOCKER_BUILDKIT=1 docker…
Mark
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8
votes
1 answer

How do I attach to intermediate docker container when building with buildkit

I recently heard about Buildkit and have been trying to use it with Docker. I'm using DOCKER_BUILDKIT=1 docker build . -t experimental to build my Dockerfile. My Dockerfile doesn't build properly because of some missing dependant packages. What I…
Jinu
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7
votes
3 answers

Tag multiple targets during one docker build

I have a Dockerfile with multiple targets. For example: FROM x as frontend ... FROM y as backend ... FROM z as runtime ... COPY --from=frontend ... COPY --from=backend ... In order to build and tag the final image, I use: docker build -t…
fbjorn
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6
votes
0 answers

How do you view the docker build cache for buildkit builds?

I've gotten an image building using the new DOCKER_BUILDKIT=1 builder, specifically to use --mount=cache. After building my image a couple times I noticed the cache usage is already past 3Gb, I'd like to see the size of the objects in the cache to…
Xavier Denis
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6
votes
3 answers

docker buildkit mount ssh when using remote agent forwarding

I use the --ssh docker buildkit feature and it works fine locally. I want to build Docker at a remote server and for that I use the -A flag to forward my local github key, like: ssh -i "server.pem" -A @ Then in server terminal I…
user3599803
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4
votes
2 answers

Docker Buildx Cannot Pull From Local for Inherited Image

I have 2 Dockerfiles on my Host Machine ( Ubuntu 20.04 ). I am running docker-ce version Docker version 19.03.12, build 48a66213fe with Experimental Features enabled. I am able to build each of them with "docker buildx" for the ARM architecture and…
PhilBot
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3
votes
1 answer

Docker BuildX image not showing in docker image ls

I am currently trying to build a multi-platform image (x86_64, arm64, armv7, armv6) using BuildKit/BuildX, and it seems to build successfully, but I can't seem to find where the image is located. It doesn't show up changed from my previous build for…
NotAnerd
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3
votes
1 answer

Using BuildKit with a mounted `/var/run/docker.sock` in GitLab CI

I have a registered gitlab-runner with a docker executor. When it runs this .gitlab-ci.yml: image: docker:latest variables: DOCKER_BUILDKIT: "1" build: stage: build script: # There are additional flags cut out requiring BuildKit. -…
Mario Ishac
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3
votes
0 answers

Does the order of --cache-from arguments matter when building an image with Docker Buildkit?

Suppose I am building an image using Docker Buildkit. My image is from a multistage Dockerfile, like so: FROM node:12 AS some-expensive-base-image ... FROM some-expensive-base-image AS my-app ... I am now trying to build both images. Suppose that…
ecbrodie
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3
votes
0 answers

Docker mount type bind while build is failing

I am using docker build kit to build by docker image. I want bind the host volume to cache the libraries, I am using mount type bind. Here is my docker file. (ref from here and here) # syntax = docker/dockerfile:experimental FROM…
Akshay
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3
votes
1 answer

Docker BuildKit --mount=type=cache not working, why?

I am trying to implement Buildkit's cache mount feature. My Dockerfile is: # syntax = docker/dockerfile:experimental FROM python:3.6-alpine RUN --mount=type=cache,target=/root/.cache/pip pip install pyyaml CMD: docker build --progress=plain -t…
codersofthedark
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3
votes
2 answers

docker buildkit not supported by daemon in AWS EKS kubernetes cluster

I am using Build Toolkit to build docker image for each microservice. ./build.sh export DOCKER_BUILDKIT=1 # .... docker build -t .... # ... This works on my machine with docker (18.09.2). However, it does not work with Jenkins, that I setup as…
Abdennour TOUMI
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2
votes
1 answer

Enable "progress plain" in docker-compose file

When I run a build using docker-compose build --progress plain, it shows more useful information during the build than the default BuildKit output. Is there a way to embed the plain progress option into the docker-compose.yml file itself so I can…
Allan Jackson
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