image_build_push.yml

name: docker-image-push-public-dash

on:
  push:
    branches: [ image-push-2 ]
    
  workflow_dispatch:
    inputs:
      docker_image_tag:
        description: "Latest Docker image tags passed from e-mission-server repository on image build and push"
        required: true

env:
  DOCKER_USER: ${{secrets.DOCKER_USER}}
  DOCKER_PASSWORD: ${{secrets.DOCKER_PASSWORD}}

jobs:
  build:
    runs-on: ubuntu-latest

    env:
      DOCKER_TAG_FROM_WORKFLOW_DISPATCH: ${{ github.event.inputs.docker_image_tag }}
      
    steps:
    - uses: actions/checkout@v4
    
    - name: Set docker image tag from .env file
      run: |
        set -a; source .env; set +a
        echo "DOCKER_TAG_FROM_PUSH=${SERVER_IMAGE_TAG}" >> $GITHUB_ENV

    - name: Print input docker image tag
      run: |
        echo "Event name: ${{ github.event_name }}"
        echo "Latest docker image tag (push): ${{ env.DOCKER_TAG_FROM_PUSH }}"
        echo "Latest docker image tag (workflow_dispatch): ${{ env.DOCKER_TAG_FROM_WORKFLOW_DISPATCH }}"

    - name: Update .env file 
      run: |
        if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
          echo "Workflow_dispatch: New server image built and pushed, Updating image tag in .env"
          echo "SERVER_IMAGE_TAG=$DOCKER_TAG_FROM_WORKFLOW_DISPATCH" > .env
        else
          echo "Push event: Restoring latest server image tag from .env"
        fi

    - name: Add, Commit, Push changes to .env file
      run: |
        git config --local user.email "action@github.com"
        git config --local user.name "Github Actions bot to update .env with latest tags"
        if git diff --quiet; then
          echo "Latest timestamp already present in .env file, no changes to commit"
        else
          git add .env
          git commit -m "Updated docker image tag in .env file to the latest timestamp"
          git push origin 
        fi

    - name: docker login
      run: | # log into docker hub account
        docker login -u $DOCKER_USER -p $DOCKER_PASSWORD

    - name: Get current date # get the date of the build
      id: date
      run: echo "::set-output name=date::$(date +'%Y-%m-%d--%M-%S')"

    - name: Run a one-line script
      run: echo running in repo ${GITHUB_REPOSITORY#*/} branch ${GITHUB_REF##*/} on ${{ steps.date.outputs.date }}

    - name: build docker image
      run: |
        if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
          SERVER_IMAGE_TAG=$DOCKER_TAG_FROM_WORKFLOW_DISPATCH docker compose -f docker-compose.yml build
        else
          SERVER_IMAGE_TAG=$DOCKER_TAG_FROM_PUSH docker compose -f docker-compose.yml build
        fi
        docker images

    - name: rename docker images
      run: |
        if [ "${{ github.event_name }}" == "push" ]; then
          docker image tag em-pub-dash-prod/frontend:latest $DOCKER_USER/${GITHUB_REPOSITORY#*/}_frontend:${GITHUB_REF##*/}_${{ steps.date.outputs.date }}
          echo "FRONTEND_TAG=${GITHUB_REF##*/}_${{ steps.date.outputs.date }}" >> $GITHUB_ENV
        else
          echo "FRONTEND_TAG=${{ env.DOCKER_TAG_FROM_PUSH }}" >> $GITHUB_ENV
        fi
        docker image tag em-pub-dash-prod/viz-scripts:latest $DOCKER_USER/${GITHUB_REPOSITORY#*/}_notebook:${GITHUB_REF##*/}_${{ steps.date.outputs.date }}
        echo "NOTEBOOK_TAG=${GITHUB_REF##*/}_${{ steps.date.outputs.date }}" >> $GITHUB_ENV

    - name: push docker images
      run: |
        if [ "${{ github.event_name }}" == "push" ]; then
          docker push $DOCKER_USER/${GITHUB_REPOSITORY#*/}_frontend:${GITHUB_REF##*/}_${{ steps.date.outputs.date }}
        fi
        docker push $DOCKER_USER/${GITHUB_REPOSITORY#*/}_notebook:${GITHUB_REF##*/}_${{ steps.date.outputs.date }}

    - name: Create tag files
      run: |
        echo ${{ env.FRONTEND_TAG }} > frontend_tag_file.txt
        echo ${{ env.NOTEBOOK_TAG }} > notebook_tag_file.txt
        echo "Created tag text files"

    - name: Upload Frontend Tag Artifact
      uses: actions/upload-artifact@v4
      with:
        name: frontend-image-tag
        path: frontend_tag_file.txt
        overwrite: true

    - name: Upload Notebook Tag Artifact
      uses: actions/upload-artifact@v4
      with:
        name: notebook-image-tag
        path: notebook_tag_file.txt
        overwrite: true