christianlempa-boilerplates/kestra/docker/file-build.yaml

---
# Kestra Docker File Build Template
# ---
#
# Build a Docker image from a File.
#

id: docker-file-build
namespace:  # your-namespace

tasks:

  - id: file
    type: io.kestra.core.tasks.flows.WorkingDirectory
    tasks:
      - id: createFiles
        type: io.kestra.core.tasks.storages.LocalFiles
        inputs:
          Dockerfile: |
            FROM alpine:latest
            WORKDIR /app
            COPY . /app
            RUN apk add --update python3
            CMD [ "python", "main.py"]
          main.py: |
            if __name__ == "__main__":
              print("Hello from Docker!")
              exit(0)

      - id: build
        type: io.kestra.plugin.docker.Build
        dockerfile: "src/Dockerfile"
        tags:
          - your-username/your-repository:your-tag
        push: true
        credentials:
          registry: https://index.docker.io/v1/
          username: "{{ secret('YOUR_USERNAME') }}"
          password: "{{ secret('YOUR_PASSWORD') }}"