app.yml

---
ocean:
  version: "1"
images:
  - name: jupyter
    registry: docker_hub
    image: jupyter/scipy-notebook
    tag: latest
    snapshottable: true
steps:
  - engines:
    - name: jupyter
      networking:
        dns:
          enabled: true
          default_value: jupyter
          label: Jupyter URL
        ports:
          - name: jupyter
            public: true
      settings:
        - name: mode
          label: Jupyter Mode
          style: dropdown
          default_value: 'lab'
          options:
            - value: lab
              label: 'Lab'
            - value: notebook
              label: 'Notebook'
      vars:
        - name: token
          value: "{% generate_uuid %}"
      deployment:
        strategy: main
      container:
        image_name: jupyter
        user: root
        workdir: "/home/{{ workspace.user.name }}"
        mounts:
          app_files:
            - name: jupyter_startup
              app_files_path: /
              container_path: /ocean/etc
              readonly: true
          data_stores: "{{ engines.jupyter.container.workdir }}"
        command: "{{ engines.jupyter.container.mounts.app_files.jupyter_startup.container_path }}/startup.sh"
        env_vars:
          - name: JUPYTER_ENABLE_LAB
            value: "{% if engines.jupyter.settings.mode.value == 'lab' %}yes{% else %}no{% endif %}"
          - name: NB_UID
            value: "{{ workspace.user.uid }}"
          - name: NB_GID
            value: "{{ workspace.user.gid }}"
          - name: NB_USER
            value: "{{ workspace.user.name }}"
          - name: NB_GROUP
            value: "{{ workspace.user.group }}"
          - name: CHOWN_HOME
            value: "yes"
          - name: GRANT_SUDO
            value: "yes"
          - name: RESTARTABLE
            value: "yes"
      ui:
        buttons:
          - label: Open Jupyter
            url: "http://{{ engines.jupyter.networking.dns.url }}:{{ engines.jupyter.networking.ports.jupyter.value }}?token={{ engines.jupyter.vars.token }}"