actions

release-docker-ghcr.yml

Base Usage

release-docker-ghcr:
  uses: init4tech/actions/.github/workflows/release-docker-ghcr.yml@main

Description

This workflow builds and pushes a Docker image to GitHub Container Registry (GHCR) for multiple platforms. It builds images for both linux/amd64 and linux/arm64 architectures, creates a multi-platform manifest, and generates artifact attestations.

The workflow automatically:

• Builds Docker images for multiple platforms (AMD64 and ARM64)
• Tags images based on git references (branch, PR, semver tags, SHA)
• Pushes to ghcr.io/<repository-name>
• Creates a multi-platform manifest list
• Generates artifact attestations for provenance

Required Permissions

The calling workflow must have the following permissions:

• contents: write - To create releases and tags
• packages: write - To push to GHCR

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