From 0732bea0f88a8736d7e727ac81e2b81b2bafba81 Mon Sep 17 00:00:00 2001
From: CrazyMax <crazy-max@users.noreply.github.com>
Date: Sat, 2 Oct 2021 18:37:02 +0200
Subject: [PATCH] docs: example to sanitize tags with metadata-action
Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
---
TROUBLESHOOTING.md | 22 ++++++++++++++++++++--
1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/TROUBLESHOOTING.md b/TROUBLESHOOTING.md
index fe074e8..02130a6 100644
--- a/TROUBLESHOOTING.md
+++ b/TROUBLESHOOTING.md
@@ -100,7 +100,25 @@ or a cache reference:
```
To fix this issue you can use our [metadata action](https://github.com/docker/metadata-action)
-to generate sanitized tags, or a dedicated step to sanitize the slug:
+to generate sanitized tags:
+
+```yaml
+- name: Docker meta
+ id: meta
+ uses: docker/metadata-action@v3
+ with:
+ images: ghcr.io/${{ github.repository }}
+ tags: latest
+
+- name: Build and push
+ uses: docker/build-push-action@v2
+ with:
+ context: .
+ push: true
+ tags: ${{ steps.meta.outputs.tags }}
+```
+
+Or a dedicated step to sanitize the slug:
```yaml
- name: Sanitize repo slug
@@ -108,7 +126,7 @@ to generate sanitized tags, or a dedicated step to sanitize the slug:
id: repo_slug
with:
result-encoding: string
- script: return '${{ github.repository }}'.toLowerCase()
+ script: return 'ghcr.io/${{ github.repository }}'.toLowerCase()
- name: Build and push
uses: docker/build-push-action@v2