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Add Troubleshooting section
Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
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CrazyMax
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.github/ISSUE_TEMPLATE/bug_report.md
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.github/ISSUE_TEMPLATE/bug_report.md
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@ -3,6 +3,10 @@ name: Bug report
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about: Create a report to help us improve
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---
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### Troubleshooting
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Before sumbitting a bug report please read the [Troubleshooting section](https://github.com/docker/build-push-action#troubleshooting) in the README.
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### Behaviour
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#### Steps to reproduce this issue
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65
README.md
65
README.md
@ -30,6 +30,7 @@ ___
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* [Customizing](#customizing)
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* [inputs](#inputs)
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* [outputs](#outputs)
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* [Troubleshooting](#troubleshooting)
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* [Keep up-to-date with GitHub Dependabot](#keep-up-to-date-with-github-dependabot)
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* [Limitation](#limitation)
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@ -44,8 +45,8 @@ build-secrets, remote cache, etc. and different builder deployment/namespacing o
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The default behavior of this action is to use the [Git context invoked by your workflow](https://github.com/docker/build-push-action/blob/master/src/context.ts#L35).
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> :warning: Subdir for this context is [not yet supported](https://github.com/docker/build-push-action/issues/120).
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> For the moment you can use the [path context](#path-context).
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<details>
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<summary><b>Show workflow</b></summary>
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```yaml
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name: ci
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@ -81,6 +82,7 @@ jobs:
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name: Image digest
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run: echo ${{ steps.docker_build.outputs.digest }}
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```
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</details>
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If you use this action in a private repository, you have to pass the [GitHub Token](https://help.github.com/en/actions/configuring-and-managing-workflows/authenticating-with-the-github_token)
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as a secret named `GIT_AUTH_TOKEN` to be able to authenticate against it with buildx:
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@ -97,10 +99,16 @@ as a secret named `GIT_AUTH_TOKEN` to be able to authenticate against it with bu
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GIT_AUTH_TOKEN=${{ github.token }}
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```
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> :warning: Subdir for Git context is [not yet supported](https://github.com/docker/build-push-action/issues/120).
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> For the moment you can use the [path context](#path-context).
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### Path context
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You can also use the `PATH` context alongside the [`actions/checkout`](https://github.com/actions/checkout/) action.
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<details>
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<summary><b>Show workflow</b></summary>
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```yaml
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name: ci
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@ -137,9 +145,13 @@ jobs:
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push: true
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tags: user/app:latest
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```
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</details>
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### Isolated builders
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<details>
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<summary><b>Show workflow</b></summary>
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```yaml
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name: ci
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@ -176,9 +188,13 @@ jobs:
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builder: ${{ steps.builder2.outputs.name }}
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target: mytarget2
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```
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</details>
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### Multi-platform image
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<details>
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<summary><b>Show workflow</b></summary>
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```yaml
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name: ci
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@ -217,6 +233,7 @@ jobs:
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user/app:latest
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user/app:1.0.0
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```
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</details>
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## Advanced usage
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@ -224,6 +241,9 @@ jobs:
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For testing purposes you may need to create a [local registry](https://hub.docker.com/_/registry) to push images into.
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<details>
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<summary><b>Show workflow</b></summary>
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```yaml
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name: ci
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@ -259,12 +279,16 @@ jobs:
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run: |
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docker buildx imagetools inspect localhost:5000/name/app:latest
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```
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</details>
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### Leverage GitHub cache
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You can leverage [GitHub cache](https://docs.github.com/en/actions/configuring-and-managing-workflows/caching-dependencies-to-speed-up-workflows)
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using [actions/cache](https://github.com/actions/cache) with this action.
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<details>
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<summary><b>Show workflow</b></summary>
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```yaml
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name: ci
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@ -302,6 +326,7 @@ jobs:
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cache-from: type=local,src=/tmp/.buildx-cache
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cache-to: type=local,dest=/tmp/.buildx-cache
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```
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</details>
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### Complete workflow
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@ -322,6 +347,9 @@ might want to use:
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| `push` | `refs/heads/my/branch` | `a5df687` | `sha-a5df687`, `my-branch` | Yes |
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| `push tag` | `refs/tags/v1.2.3` | | `v1.2.3`, `v1.2`, `v1`, `latest` | Yes |
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<details>
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<summary><b>Show workflow</b></summary>
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```yaml
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name: ci
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@ -404,6 +432,7 @@ jobs:
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org.opencontainers.image.revision=${{ github.sha }}
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org.opencontainers.image.licenses=${{ github.event.repository.license.spdx_id }}
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```
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</details>
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### Update DockerHub repo description
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@ -411,6 +440,9 @@ You can update the [Docker Hub repository description](https://docs.docker.com/d
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a third-party action called [Docker Hub Description](https://github.com/peter-evans/dockerhub-description)
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with this action.
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<details>
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<summary><b>Show workflow</b></summary>
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```yaml
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name: ci
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@ -448,6 +480,7 @@ jobs:
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DOCKERHUB_PASSWORD: ${{ secrets.DOCKERHUB_PASSWORD }}
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DOCKERHUB_REPOSITORY: user/app
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```
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</details>
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## Customizing
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@ -503,6 +536,34 @@ Following outputs are available
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|---------------|---------|---------------------------------------|
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| `digest` | String | Image content-addressable identifier also called a digest |
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## Troubleshooting
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While pushing to a registry, you may encounter these kinds of issues:
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* `failed commit on ref "layer-sha256:...": invalid content digest in response: invalid checksum digest format`
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* `failed commit on ref "layer-sha256:...": no response`
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* `failed commit on ref "manifest-sha256:...": unexpected status: 401 Unauthorized`
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* `unexpected response: 401 Unauthorized`
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These issues are not directly related to this action but are rather linked to [buildx](https://github.com/docker/buildx),
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[buildkit](https://github.com/moby/buildkit), [containerd](https://github.com/containerd/containerd) or the registry
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on which you're pushing your image. The quality of error message depends on the registry and are usually not very informative.
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To help you solve this, you should first enable debugging in the
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[setup-buildx action step](https://github.com/docker/setup-buildx-action):
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```yaml
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-
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name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v1
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with:
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buildkitd-flags: --debug
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```
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Next you can test pushing with containerd using [this workflow](https://github.com/crazy-max/ghaction-setup-containerd#build-and-push-docker-image).
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Do not forget to set `ctr --debug` for the pushing step. If it works then open an issue on
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[buildkit](https://github.com/moby/buildkit) repository.
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## Keep up-to-date with GitHub Dependabot
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Since [Dependabot](https://docs.github.com/en/github/administering-a-repository/keeping-your-actions-up-to-date-with-github-dependabot)
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