add self hosted example and update docs #2
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| # Name the Action | |
| name: Automation to build a container image | |
| # Define when the Action is run. This example is run when there is a push to the flask-app/ directory on the app branch. | |
| on: | |
| push: | |
| paths: | |
| - August-08-2024/** | |
| branches: | |
| - main | |
| # Define the jobs to run. A job can have multiple steps and an Action can contain multiple jobs. | |
| jobs: | |
| build-image: | |
| # Use the latest ubuntu image to run the jobs | |
| runs-on: ubuntu-latest | |
| steps: | |
| # Step 1 is to checkout the github repo used to build the Dockerfile | |
| - name: Check out the repo | |
| uses: actions/checkout@v4 | |
| # Step 2 is to login to docker hub so the image can be pushed | |
| - name: Login to Docker Hub | |
| uses: docker/login-action@v2 | |
| # GitHub repository secrets are used as variables to provide login information to Docker Hub | |
| # DOCKERHUB_USERNAME and DOCKERHUB_TOKEN need to be added to the Actions secrets | |
| with: | |
| username: ${{ secrets.DOCKERHUB_USERNAME }} | |
| password: ${{ secrets.DOCKERHUB_TOKEN }} | |
| # Step 3 gets the date and sends it to GITHUB_OUTPUT to apply as an image tag | |
| - name: Get current date | |
| id: date | |
| run: echo "date=$(date +'%Y-%m-%d.%H')" >> $GITHUB_OUTPUT | |
| # Step 4 builds and pushes the docker image | |
| - name: Build Docker image | |
| uses: docker/build-push-action@v4 | |
| with: | |
| # Provide the August-08-2024 directory as build context | |
| context: August-08-2024/. | |
| # Specify where the Containerfile is located in relation to the repo base path | |
| file: August-08-2024/Containerfile | |
| # Enable the push to docker hub | |
| push: true | |
| # Provide the tags to apply to the image, this example uses the latest image tag | |
| tags: | | |
| ncote/workshop-webapp:${{ steps.date.outputs.date }} |