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publish-docker-image.yml
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name: Template for Docker Image Push to Docker Hub
on:
push:
branches: [ "main", "dev"]
paths:
- 'Dockerfile'
- 'app/**'
- 'tests/**'
- 'pyproject.toml'
- '.github/workflows/publish-docker-image.yml'
workflow_dispatch: # allow user to specify which
inputs:
environment:
description: 'Target environment'
required: true
default: 'dev' # default value if not provided
permissions:
contents: read
packages: write
jobs:
push_to_registry:
name: Push Docker Image to Docker Hub
runs-on: ubuntu-latest
steps:
- name: Checkout the repo
uses: actions/checkout@v4
- name: Build version
id: date
run: echo "{name}=date::$(date +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
- name: Login to Docker Hub
uses: docker/login-action@v3
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- name: Log in to the Container registry
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Extract metadata (tags, labels) for Docker
id: meta
uses: docker/[email protected]
with:
images: |
ninjaasa/template-python-project
ghcr.io/${{ github.repository }}
# tag image to be latest if pushing to main branch, dev if pushing to dev branch.
# also tag combined with run_id to ensure unique tag
tags: |
type=raw,value=${{ github.ref == 'refs/heads/main' && 'latest' || 'dev' }}_${{ github.run_id }}
type=raw,value=${{ github.ref == 'refs/heads/main' && 'latest' || 'dev' }}
labels: |
org.label-schema.build-date=${{ steps.date.outputs.date}}
org.opencontainers.image.created=${{ steps.date.outputs.date}}
- name: Build and push Docker image
uses: docker/[email protected]
with:
context: .
file: Dockerfile
push: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}