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chore(containers): improve building images

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This commit is contained in:
Michele Cereda
2025-06-18 19:38:47 +02:00
parent 881360d5bc
commit 3467328c89
3 changed files with 19 additions and 17 deletions
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4
knowledge base/docker.md
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@@ -208,6 +208,10 @@ docker buildx build … --push \
--cache-from type=registry,ref=012345678901.dkr.ecr.eu-west-2.amazonaws.com/buildkit-test:cache \
--platform 'linux/amd64,linux/arm64,linux/arm/v7' '.'
# Clean up the build cache.
docker buildx prune
docker buildx prune -a
# Remove builders.
docker buildx rm 'builder_name'

30
knowledge base/kaniko.md
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@@ -3,6 +3,7 @@
Tool to build container images from a Dockerfile with**out** the need of the Docker engine.
1. [TL;DR](#tldr)
1. [Create local images using local cache](#create-local-images-using-local-cache)
1. [Usage in GitLab pipelines](#usage-in-gitlab-pipelines)
1. [Further readings](#further-readings)
1. [Sources](#sources)
@@ -82,7 +83,19 @@ docker run -it --rm -v "$PWD/cache:/cache" 'gcr.io/kaniko-project/warmer' \
<summary>Real world use cases</summary>
<details style="padding-left: 1rem">
<summary>Create local images using local cache</summary>
<summary>Test the Dockerfile for an Ansible execution environment the way a GitLab pipeline would need to execute it</summary>
```sh
docker run --rm -ti -v "$PWD:/workspace" 'gcr.io/kaniko-project/executor:debug' /kaniko/executor --no-push
docker run --rm -ti -v "$PWD:/workspace" --entrypoint '' 'gcr.io/kaniko-project/executor:v1.23.2-debug' \
/kaniko/executor --context '/workspace/someDir' --dockerfile '/workspace/someDir/someDockerfile' --no-push
```
</details>
</details>
## Create local images using local cache
Uses images from the local cache.<br/>
It does **not** _save_ cache images in the local cache directory since Kaniko is currently **not** able to manage such
@@ -100,21 +113,6 @@ docker run --rm -ti -v "$PWD:/workspace" 'gcr.io/kaniko-project/executor:debug'
--cache --cache-dir '/workspace/cache' --cache-repo 'oci://cache'
```
</details>
<details style="padding-left: 1rem">
<summary>Test the Dockerfile for an Ansible execution environment the way a GitLab pipeline would need to execute it</summary>
```sh
docker run --rm -ti -v "$PWD:/workspace" 'gcr.io/kaniko-project/executor:debug' /kaniko/executor --no-push
docker run --rm -ti -v "$PWD:/workspace" --entrypoint '' 'gcr.io/kaniko-project/executor:v1.23.2-debug' \
/kaniko/executor --context '/workspace/someDir' --dockerfile '/workspace/someDir/someDockerfile' --no-push
```
</details>
</details>
## Usage in GitLab pipelines
```yaml

2
snippets/docker.sh
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@@ -62,7 +62,7 @@ docker buildx build -t 'someTag' '.'
docker buildx build '.' -t 'someTag' --platform 'linux/amd64' --progress=plain --no-cache
# Remove build cache and leftovers
docker builder prune -a
docker buildx prune
docker buildx prune -a
# Check logs