test-docker-build.yml

# This action tests to make sure that the docker image can be built successfully on the specified platforms

name: Test outpost image docker build

on: [push]

jobs:
  test-docker-build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        platforms: ["linux/amd64"]
    steps:
      - name: "Checkout GitHub Action"
        uses: actions/checkout@main

      - name: Set Docker Image Tag
        id: vars
        run: |
          BRANCH_NAME=${GITHUB_HEAD_REF#refs/heads/}
          if [[ "$BRANCH_NAME" == "develop" ]]; then
            echo "tag=development" >> $GITHUB_ENV
          elif [[ "$BRANCH_NAME" == "staging" ]]; then
            echo "tag=staging" >> $GITHUB_ENV
          elif [[ "$BRANCH_NAME" == "production" ]]; then
            echo "tag=latest" >> $GITHUB_ENV
          else
            echo "tag=default" >> $GITHUB_ENV
          fi

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          tags: outpost:${{ env.tag }}
          file: Dockerfile.production
          platforms: ${{ matrix.platforms }}
          push: false