fishnet/.github/workflows/docker-publish.yml at 956110c5a7e9992ab49ddc4867a83116eda64279 · fishnetproxy/fishnet · GitHub

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name: Docker Publish

on:
  push:
    tags:
      - "v*"
  workflow_dispatch:
    inputs:
      tag:
        description: "Tag to publish (for example v0.1.0). Defaults to current ref."
        required: false
        type: string

permissions:
  contents: read

jobs:
  docker-publish:
    runs-on: ubuntu-latest
    steps:
      - name: Check publish secrets
        id: check-secrets
        run: |
          if [ -n "${DOCKERHUB_USERNAME}" ] && [ -n "${DOCKERHUB_TOKEN}" ]; then
            echo "publish_enabled=true" >> "$GITHUB_OUTPUT"
          else
            echo "publish_enabled=false" >> "$GITHUB_OUTPUT"
            echo "::warning::Docker Hub credentials not configured — skipping publish."
          fi
        env:
          DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
          DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Checkout
        if: steps.check-secrets.outputs.publish_enabled == 'true'
        uses: actions/checkout@v4

      - name: Resolve version
        if: steps.check-secrets.outputs.publish_enabled == 'true'
        id: meta
        shell: bash
        env:
          INPUT_TAG: ${{ github.event.inputs.tag }}
        run: |
          set -euo pipefail
          if [ -n "${INPUT_TAG:-}" ]; then
            tag="${INPUT_TAG}"
          else
            tag="${GITHUB_REF_NAME}"
          fi
          case "${tag}" in
            v*) ;;
            *)
              echo "Tag must start with 'v' (got: ${tag})" >&2
              exit 1
              ;;
          esac
          version="${tag#v}"
          echo "tag=${tag}" >> "$GITHUB_OUTPUT"
          echo "version=${version}" >> "$GITHUB_OUTPUT"

      - name: Setup QEMU
        if: steps.check-secrets.outputs.publish_enabled == 'true'
        uses: docker/setup-qemu-action@v3

      - name: Setup Docker Buildx
        if: steps.check-secrets.outputs.publish_enabled == 'true'
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        if: steps.check-secrets.outputs.publish_enabled == 'true'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push image
        if: steps.check-secrets.outputs.publish_enabled == 'true'
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          push: true
          platforms: linux/amd64,linux/arm64
          tags: |
            d3vdhruv/fishnet:${{ steps.meta.outputs.version }}
            d3vdhruv/fishnet:latest