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Add Docker

Add Docker #2

name: springduck
on:
push:
paths:
- ./0ctf2025
- .github/workflows/0ctf2025-springduck.yaml
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
docker:
runs-on: ubuntu-latest
steps:
- name: Login to GitHub Container Registry
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Build and push
uses: docker/build-push-action@v6
with:
platforms: linux/amd64,linux/arm64
push: true
tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:0ctf2025-springduck
context: ./0ctf2025/springduck/challenge
file: .//0ctf2025/springduck/challenge/Dockerfile