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Add GitHub Actions workflow to publish official Docker image (#2479)
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jake-low authored Oct 28, 2024
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55 changes: 55 additions & 0 deletions .github/workflows/docker-publish.yml
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name: Build Docker Image, Push to GHCR

on:
push:
# Publish HEAD of main branch as :latest image tag
branches: [ "main" ]
# Publish semver tags as named image tags
tags: [ 'v*.*.*' ]

env:
REGISTRY: ghcr.io
IMAGE_NAME: maproulette/maproulette-frontend

jobs:
build:
runs-on: ubuntu-latest
steps:
- name: Checkout repository
uses: actions/checkout@v4

# Set up BuildKit Docker container builder to be able to build
# multi-platform images and export cache
# https://github.com/docker/setup-buildx-action
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@3

# Login to Docker registry
# https://github.com/docker/login-action
- name: Log into registry ${{ env.REGISTRY }}
uses: docker/login-action@3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}

# Extract metadata (tags, labels) for Docker
# https://github.com/docker/metadata-action
- name: Extract Docker metadata
id: meta
uses: docker/metadata-action@5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

# Build and push Docker image with Buildx
# https://github.com/docker/build-push-action
- name: Build and push Docker image
id: build-and-push
uses: docker/build-push-action@5
with:
context: .
push: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max

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