dev-code 0.1.9.post1

Project · editor · container — simplified

dev-code

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  project · editor · container — simplified

Reusable Dev Containers for any project — without modifying the repository.

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devcode is a CLI that opens any project in VS Code Dev Containers using reusable, local templates.

Define your environment once and reuse it across projects.

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Why devcode?

Typical Dev Container workflows involve:

• Copying .devcontainer/ directories between projects
• Recreating environments repeatedly
• Committing configuration to repositories you do not control

devcode separates environment configuration from project code:

• Templates are stored locally
• Projects remain unchanged
• Containers are launched with a single command

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Quick Start

# Install
pip install dev-code

# Create default template
devcode init

# Open a project
devcode open dev-code ~/projects/my-app

# Reopen projects later
devcode ps -a -i

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Requirements

• VS Code with the Dev Containers extension
• Docker

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Core Concepts

Templates

Templates are reusable devcontainer configurations stored locally.

Default location:

~/.local/share/dev-code/templates/

Override search paths:

DEVCODE_TEMPLATE_PATH=/my/templates:/team/templates

• The first path is used for writes
• Additional paths are read-only

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Command Reference

Global Flags

-v, --verbose   Enable debug output

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devcode open

devcode open <template> <path> [options]

Open a project using a template.

Arguments

• <template>

  • Template name, or
  • Path to a devcontainer.json, or
  • Path to a directory containing it

  Paths must start with ./, ../, /, or ~/.

  If both a template and directory match, the template takes precedence and a warning is shown.

• <path> Project directory

Options

Option	Default	Description
--dry-run	—	Print resolved configuration and actions without executing
--container-folder <path>	/workspaces/<project>	Container mount path
--timeout <seconds>	300	Time to wait for container startup

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devcode init

devcode init

Creates the default template.

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devcode new

devcode new <name> [base]

Create a new template.

Argument	Default	Description
[base]	dev-code	Template to copy from

Options:

--edit

Open the template in VS Code after creation.

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devcode edit

devcode edit [template]

• With a name: opens that template
• Without arguments: opens the templates directory

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devcode list

devcode list [--long]

Option	Description
--long	Show full paths and grouped directories

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devcode ps

devcode ps [-a] [-i]

Flag	Description
-a	Include stopped containers
-i	Interactive reopen mode

Interactive mode prompts:

Open [1-N]:

Selecting a number reopens the project in VS Code.

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devcode completion

devcode completion bash
devcode completion zsh

Enable in shell:

eval "$(devcode completion bash)"

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Typical Workflow

devcode init
devcode new python-dev
devcode edit python-dev
devcode open python-dev ~/projects/my-app

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Template System

Default Location

~/.local/share/dev-code/templates/

Custom Paths

DEVCODE_TEMPLATE_PATH=$HOME/my/templates:/team/shared/templates

Resolution order:

1. First directory is the write target
2. Remaining directories are used for lookup

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File Injection (cp)

Inject files from the host into the container at startup.

Example

{
  "customizations": {
    "dev-code": {
      "cp": [
        {
          "source": "${localEnv:HOME}/.config/myapp",
          "target": "/home/vscode/.config/myapp"
        }
      ]
    }
  }
}

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Fields

Field	Required	Description
source	Yes	Host path
target	Yes	Container path
override	No	Skip if target exists (default: false)
owner	No	Requires group
group	No	Requires owner
permissions	No	chmod applied recursively

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Source Behavior

• Supports ${localEnv:VAR}
• Supports relative paths from .devcontainer/
• Missing environment variables cause the entry to be skipped

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Copy Directory Contents

Use /. suffix:

{
  "source": "${localEnv:HOME}/.config/myapp/.",
  "target": "/home/vscode/.config/myapp/"
}

Copies directory contents instead of the directory itself.

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Behavior Rules

• target/ copies into the directory
• Without trailing / copies as a file or directory
• override=false skips existing files
• Ownership and permissions are applied after copying

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Project Switching

devcode ps -a -i

Lists containers and allows reopening projects interactively.

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Advanced Options

• Multiple template directories
• Template inheritance
• Verbose debugging (-v)
• Dry runs (--dry-run)
• Custom container paths

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Internal Flow

1. Resolve template
2. Resolve project path
3. Launch VS Code Dev Container
4. Apply file injection rules

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License

MIT