docker-image.yml

name: Docker Image CI

on: [ workflow_dispatch, pull_request ]

jobs:

  buildAndTest:
    runs-on: ubuntu-latest
    steps:
      # Checkout the commit that triggered the workflow
    - uses: actions/checkout@v2

    - name: Build the Docker image
      run: docker build --no-cache -t unidata/tomcat-docker:latest .

    - name: Download sample wep app
      run: |
        wget -O $(pwd)/.github/testScripts/sample.war \
        https://tomcat.apache.org/tomcat-8.5-doc/appdev/sample/sample.war

    - name: Run the container
      run: |
        docker run --name tomcat \
        -e TOMCAT_USER_ID=$(id -u) \
        -e TOMCAT_GROUP_ID=$(getent group $USER | cut -d : -f3) \
        -v $(pwd)/.github/testScripts:/testScripts \
        -v $(pwd)/.github/testScripts:/usr/local/tomcat/webapps \
        -d \
        -p 8080:8080 \
        unidata/tomcat-docker:latest

    # Give chance for Tomcat to fire up
    - name: Wait and listen for Tomcat to fire up
      run: |
        nc -z -w300 127.0.0.1 8080
        for i in {1..5}; do curl -o /dev/null http://127.0.0.1:8080/sample/index.html && break || \
        (echo sleeping 15... && sleep 15); done

    - name: Run test script
      run: ./.github/testScripts/test.sh

    - name: Push to Dockerhub
      if: ${{ github.event_name == 'workflow_dispatch' || github.event.pull_request.merged == 'true'}}
      run: |
        docker logout
        echo ${{ secrets.registrypwd }} | docker login -u ${{ secrets.registryuser }} --password-stdin
        docker push ${{ secrets.imagename }}:${{ env.tag }} &&
        { docker logout && echo "Successfully pushed ${{ secrets.imagename }}:${{ env.tag }}"; } ||
        { docker logout && echo "Docker push failed" && exit 1; }