verti-osi 1.8.2

A CLI tool for generating OCI-compliant container images for Python and Node.js projects.

Verti-OSI CLI Tool Documentation

Overview

Verti-OSI is a command-line tool designed to generate OCI-compliant container images. It allows users to create container images from a specified project source directory while offering various customization options such as selecting the container runtime daemon, output type, and execution of the generated image.

Supported Languages

Currently, verti-osi supports Python and Node.js projects. The CLI automatically detects the language package manager and generates the appropriate container image.

Prerequisites

To use verti-osi, ensure the following:

• Python 3.7+ installed. Check with:

  python --version
  

• PIPX installed. Check with:

  pipx --version
  

  If missing, install it via:

  python -m pip install --user pipx
  pipx ensurepath
  

• A running container daemon (Docker or Podman)

  • Docker: Ensure the daemon is running:

    docker info
    

  • Podman: Ensure Podman is installed and running:

    podman info
    

Installation (via pipx)

To install verti-osi globally using pipx, run:

pipx install verti-osi

Usage

After installation, invoke the CLI tool using verti-osi. Below is the command structure and available options.

Command Parameters

verti-osi --root-directory <path> \
          --source-directory <path> \
          --image-name <name> \
          --daemon <daemon-type> \
          --output <output-type> \
          --delete-generated-dockerfile <True/False> \
          --run-generated-image <True/False> \
          --file-dir <path> \
          --platforms <comma-separated-platforms> \
          --repository-branch <branch> \
          --repository-url <url> \
          --env-vars <KEY=VALUE,...> \
          --env-vars-rt <KEY=VALUE,...> \
          --env-vars-bt <KEY=VALUE,...> \
          --pre-build-commands <commands> \
          --build-commands <commands> \
          --port <port-number>

Explanation of Parameters

• --root-directory - Root directory of the project. Default: .
• --source-directory - Directory containing source code. Default: .
• --image-name - Name for the generated image. If empty, auto-generated.
• --daemon - Container daemon to use: docker or podman. Default: docker
• --output - Output type: tar, registry, or standard. Default: standard
• --delete-generated-dockerfile - Deletes Dockerfile after build. Default: False
• --run-generated-image - Runs image after build. Default: False
• --file-dir - Directory path containing verti-osi.yaml config
• --platforms - Supported platforms. e.g., linux/amd64,linux/arm64
• --repository-branch - Branch name for remote repo
• --repository-url - Git URL for remote repo
• --env-vars - List of env vars for all stages. Format: KEY=VALUE
• --env-vars-rt - Runtime-specific env vars
• --env-vars-bt - Build-time-specific env vars
• --pre-build-commands - Commands to run before build
• --build-commands - Commands to run during build
• --port - Port to be exposed. Default: 8080

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Configuration via YAML

You can also configure your build using a YAML file named verti-osi.yaml.

Use it with the --file-dir flag:

verti-osi --file-dir <path-to-directory>

YAML File Example

image-name: verti-node-app:v1
source-directory: ./src
root-directory: .
delete-generated-dockerfile: true
daemon: docker
output-type: tar
platform:
  - linux/amd64
  - linux/arm64
pre-build:
  - echo "Running pre-build steps"
build:
  - npm run build
env-vars:
  - name: API_KEY
    value: abc123
    type: both
  - name: DEBUG
    value: true
    type: runtime
port: 8080
remote-source-repository:
  git:
    url: https://github.com/example/project
    branch: main

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Automatic Language Detection

verti-osi detects the language based on project files:

• Python: Detected if requirements.txt or pyproject.toml exists.
• Node.js: Detected if package.json is present.

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Example Usages

Generate a container image

verti-osi --root-directory . \
          --source-directory ./src \
          --image-name nodey-js-verti:v1-normal

Generate and push to a registry

verti-osi --root-directory . \
          --source-directory ./src \
          --image-name my-repo/nodey-js-verti:v1 \
          --output registry

Generate and delete Dockerfile

verti-osi --root-directory . \
          --source-directory ./src \
          --image-name nodey-js-verti:v1 \
          --delete-generated-dockerfile True

Generate and run image

verti-osi --root-directory . \
          --source-directory ./src \
          --image-name nodey-js-verti:v1 \
          --run-generated-image True

Generate using YAML config

verti-osi --file-dir ./configs

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License

Verti-OSI is licensed under the MIT License.