📦 Build & Push Docker Image to GHCR

This GitHub Action builds your Docker image and pushes it to GitHub’s Container Registry (GHCR).

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✨ Features

• Multi-platform builds (AMD64 + ARM64)
• Pushes to GHCR with latest and commit SHA tags
• Triggers automatically on commit with docker:build
• Supports manual trigger via GitHub UI

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⚖️ Configuration

1. Set Your Dockerfile Path

Update the environment variable at the top of .github/workflows/docker-build.yml:

env:
  DOCKERFILE_PATH: path/to/your/Dockerfile

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🚀 How to Trigger a Build

Option 1: Commit with a Special Message

Push your code with a commit message that includes:

docker:build added new features

Option 2: Run It Manually

1. Go to the Actions tab
2. Select the "Build & Push Docker Image to GHCR" workflow
3. Click "Run workflow"

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🔁 Tags

Two tags will be created:

• :latest — always points to the newest successful build
• :<commit SHA> — unique version for reference

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🔐 Secrets

You will need to create a Personal Access Token (PAT):

✨ How to Create a PAT for GHCR

1. Go to GitHub Developer Settings
2. Click "Generate new token (classic)"
3. Check the following scopes:
   • write:packages
   • read:packages
   • repo (only if pushing from a private repo)
4. Generate the token and copy it
5. Add it as a secret named GHCR_PAT in your repository