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Configuration

Customize StackMark behavior and manage your stacks configuration.

Configuration File

StackMark stores its configuration in ~/.stackmark/config.json. This file is created automatically when you first use StackMark.

Location

Platform	Path
Linux	`~/.stackmark/config.json`
macOS	`~/.stackmark/config.json`
Windows	`%USERPROFILE%\.stackmark\config.json`

Structure

~/.stackmark/config.json

{
  "portStart": 9000,
  "stacks": {
    "myapp": {
      "path": "/home/user/Dev/myapp",
      "domain": "myapp.local",
      "autostart": false,
      "ports": {
        "nginx": 9003,
        "mysql": 9004,
        "redis": 9005
      }
    },
    "api-project": {
      "path": "/home/user/Dev/api",
      "autostart": true,
      "ports": {
        "node": 9010,
        "postgres": 9011
      }
    }
  }
}

Configuration Options

portStart

The starting port number for automatic port allocation. Default: 9000

StackMark allocates ports sequentially starting from this number. Each service in each stack gets a unique port.

stacks

Object containing all registered stacks. Each stack has:

Property	Description
`path`	Absolute path to the docker-compose.yml directory
`domain`	Optional local domain for /etc/hosts
`ports`	Map of service names to allocated external ports
`autostart`	Whether containers restart on system boot (default: `true`). Set via `stackmark autostart enable/disable`

Port Allocation

StackMark automatically allocates ports to avoid conflicts between stacks.

How It Works

When you stackmark add a project, StackMark scans docker-compose.yml
For each service with exposed ports, it allocates the next available port starting from portStart
Port mappings are stored in the config file
When starting a stack, a temporary override file remaps the ports

Example

docker-compose.yml (original)

services:
  nginx:
    ports:
      - "80:80"
  mysql:
    ports:
      - "3306:3306"

StackMark port mapping

nginx: localhost:9003 → container:80

mysql: localhost:9004 → container:3306

Your original docker-compose.yml is never modified. StackMark creates temporary override files at runtime.

Environment Variables

Configure StackMark behavior using environment variables:

Variable	Description	Default
`STACKMARK_CONFIG_DIR`	Override config directory location	`~/.stackmark`
`STACKMARK_PORT_START`	Override starting port number	`9000`
`DOCKER_COMPOSE_CMD`	Docker Compose command to use	`docker compose`

Example

$ export STACKMARK_PORT_START=8000

$ stackmark add myapp

✔ Stack "myapp" registered (ports start at 8000)

Manual Configuration

You can edit the config file directly to:

Change port assignments
Add or modify domains
Update stack paths

Note: After manually editing the config, restart any running stacks for changes to take effect.

terminal

$ nano ~/.stackmark/config.json

# Make your changes...

$ stackmark restart myapp

Reset Configuration

To reset StackMark to default settings:

terminal

$ rm -rf ~/.stackmark

# Config will be recreated on next use

Warning: This will remove all registered stacks. You'll need to re-add them with stackmark add.

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