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Add caching example

1.4.0
Nandor Kracser 3 years ago
parent
commit
3e6f728533
  1. 3
      .gitignore
  2. 2
      Dockerfile.test
  3. 33
      README.md

3
.gitignore

@ -7,3 +7,6 @@
# Output of the go coverage tool, specifically when used with LiteIDE
*.out
# kaniko base image cache files
sha256:*

2
Dockerfile.test

@ -2,4 +2,4 @@ FROM alpine:3.8
RUN apk add --update git
ENTRYPOINT [ "/usr/bin/plugin.sh" ]
RUN apk add --update jq

33
README.md

@ -7,3 +7,36 @@ A thin shim-wrapper around the official [Google Kaniko](https://cloud.google.com
```bash
docker run -it --rm -w /src -v $PWD:/src -e DOCKER_USERNAME=${DOCKER_USERNAME} -e DOCKER_PASSWORD=${DOCKER_PASSWORD} -e PLUGIN_REPO=banzaicloud/kaniko-plugin-test -e PLUGIN_TAGS=test -e PLUGIN_DOCKERFILE=Dockerfile.test banzaicloud/kaniko-plugin
```
## Test that caching works
Start a Docker registry at 127.0.0.1:5000:
```bash
docker run -d -p 5000:5000 --restart always --name registry --hostname registry.local registry:2
```
Add the following lines to plugin.sh's final command and build a new image from it:
```diff
+ --cache=true \
+ --cache-repo=127.0.0.1:5000/${PLUGIN_REPO} \
```
```bash
docker build -t banzaicloud/kaniko-plugin .
```
Warm up the alpine image to the cache:
```bash
docker run -v $PWD:/cache gcr.io/kaniko-project/warmer:latest --image=alpine:3.8
```
Run the builder on the host network to be able to access the registry:
```bash
docker run --net=host -it --rm -w /src -v $PWD:/cache -v $PWD:/src -e DOCKER_USERNAME=${DOCKER_USERNAME} -e DOCKER_PASSWORD=${DOCKER_PASSWORD} -e PLUGIN_REPO=banzaicloud/kaniko-plugin-test -e PLUGIN_TAGS=test -e PLUGIN_DOCKERFILE=Dockerfile.test banzaicloud/kaniko-plugin
```

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