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Add GitHub cache example

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Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
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CrazyMax 2020-08-29 16:10:05 +02:00
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62
.github/workflows/ci.yml vendored
View File

@ -123,6 +123,68 @@ jobs:
if: always()
uses: crazy-max/ghaction-dump-context@v1
github-cache:
runs-on: ubuntu-latest
steps:
-
name: Run local registry
run: |
docker run -d -p 5000:5000 registry:2
-
name: Checkout
uses: actions/checkout@v2.3.1
-
name: Set up QEMU
uses: docker/setup-qemu-action@master
with:
platforms: all
-
name: Set up Docker Buildx
id: buildx
uses: docker/setup-buildx-action@master
with:
driver-opt: network=host
buildkitd-flags: --allow-insecure-entitlement security.insecure
-
name: Cache Docker layers
uses: actions/cache@v2
id: cache
with:
path: /tmp/.buildx-cache
key: ${{ runner.os }}-buildx-${{ github.sha }}
restore-keys: |
${{ runner.os }}-buildx-
-
name: Build and push
id: docker_build
uses: ./
with:
context: ./test
file: ./test/Dockerfile-multi-golang
builder: ${{ steps.buildx.outputs.name }}
platforms: linux/amd64,linux/arm64
allow: network.host,security.insecure
push: true
tags: |
localhost:5000/name/app:latest
localhost:5000/name/app:1.0.0
cache-from: type=local,src=/tmp/.buildx-cache
cache-to: type=local,dest=/tmp/.buildx-cache
-
name: Inspect
run: |
docker buildx imagetools inspect localhost:5000/name/app:1.0.0
-
name: Image digest
run: echo ${{ steps.docker_build.outputs.digest }}
-
name: Cache hit
run: echo ${{ steps.cache.outputs.cache-hit }}
-
name: Dump context
if: always()
uses: crazy-max/ghaction-dump-context@v1
git-context:
runs-on: ubuntu-latest
strategy:

80
README.md
View File

@ -7,8 +7,10 @@
GitHub Action to build and push Docker images.
> :bulb: See also our [setup-buildx](https://github.com/docker/setup-buildx-action)
> and [setup-qemu](https://github.com/docker/setup-qemu-action) actions
> :bulb: See also:
> * [login](https://github.com/docker/login-action) action
> * [setup-buildx](https://github.com/docker/setup-buildx-action) action
> * [setup-qemu](https://github.com/docker/setup-qemu-action) action
![Screenshot](.github/build-push-action.png)
@ -18,6 +20,7 @@ ___
* [Quick start](#quick-start)
* [Multi-platform image](#multi-platform-image)
* [Git context](#git-context)
* [Leverage GitHub cache](#leverage-github-cache)
* [Complete workflow](#complete-workflow)
* [Customizing](#customizing)
* [inputs](#inputs)
@ -51,13 +54,13 @@ jobs:
uses: actions/checkout@v2
-
name: Set up QEMU
uses: docker/setup-qemu-action@v1
uses: docker/setup-qemu-action@master
with:
platforms: all
-
name: Set up Docker Buildx
id: buildx
uses: docker/setup-buildx-action@v1
uses: docker/setup-buildx-action@master
-
name: Login to DockerHub
uses: docker/login-action@v1
@ -95,13 +98,13 @@ jobs:
uses: actions/checkout@v2
-
name: Set up QEMU
uses: docker/setup-qemu-action@v1
uses: docker/setup-qemu-action@master
with:
platforms: all
-
name: Set up Docker Buildx
id: buildx
uses: docker/setup-buildx-action@v1
uses: docker/setup-buildx-action@master
-
name: Login to DockerHub
uses: docker/login-action@v1
@ -140,13 +143,13 @@ jobs:
steps:
-
name: Set up QEMU
uses: docker/setup-qemu-action@v1
uses: docker/setup-qemu-action@master
with:
platforms: all
-
name: Set up Docker Buildx
id: buildx
uses: docker/setup-buildx-action@v1
uses: docker/setup-buildx-action@master
with:
version: latest
-
@ -170,6 +173,63 @@ jobs:
GIT_AUTH_TOKEN: ${{ github.token }}
```
### Leverage GitHub cache
You can leverage [GitHub cache](https://docs.github.com/en/actions/configuring-and-managing-workflows/caching-dependencies-to-speed-up-workflows)
using [@actions/cache](https://github.com/actions/cache) with this action.
```yaml
name: ci
on:
push:
branches: master
jobs:
main:
runs-on: ubuntu-latest
steps:
-
name: Checkout
uses: actions/checkout@v2
-
name: Set up QEMU
uses: docker/setup-qemu-action@master
with:
platforms: all
-
name: Set up Docker Buildx
id: buildx
uses: docker/setup-buildx-action@master
-
name: Cache Docker layers
uses: actions/cache@v2
with:
path: /tmp/.buildx-cache
key: ${{ runner.os }}-buildx-${{ github.sha }}
restore-keys: |
${{ runner.os }}-buildx-
-
name: Login to DockerHub
uses: docker/login-action@v1
with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
-
name: Build and push
id: docker_build
uses: docker/build-push-action@v2
with:
builder: ${{ steps.buildx.outputs.name }}
push: true
tags: user/app:latest
cache-from: type=local,src=/tmp/.buildx-cache
cache-to: type=local,dest=/tmp/.buildx-cache
-
name: Image digest
run: echo ${{ steps.docker_build.outputs.digest }}
```
### Complete workflow
* On `pull_request` event, Docker image `name/app:edge` is **built**.
@ -216,13 +276,13 @@ jobs:
echo ::set-output name=tags::${TAGS}
-
name: Set up QEMU
uses: docker/setup-qemu-action@v1
uses: docker/setup-qemu-action@master
with:
platforms: all
-
name: Set up Docker Buildx
id: buildx
uses: docker/setup-buildx-action@v1
uses: docker/setup-buildx-action@master
-
name: Login to DockerHub
if: github.event_name != 'pull_request'