Gerdu

Gerdu is an open-source tool for running and managing multi docker-compose applications on Docker defined using the Gerdu file format. Once you have Configuration files, you can create and start your applications with a single command: gerdu up

Gerdu heavily realies on docker-compose spec to deploy application locally.

Where to get Gerdu

Using npm

1. Make sure Node are installed, test with the following commands:

$ node -v
EX: v16.0.0

$ npm -v
EX: 7.10.0

2. Install Gerdu cli

$ npm install @gerdu/cli -g

Using yarn

1. Make sure Yarn & Node are installed, test with the following commands:

$ node -v
EX: v16.0.0

$ yarn -v
EX: 1.22.10

2. Install Gerdu cli

$ yarn global add @gerdu/cli -g

Note: Gerdu cli requires Node 14 or later.

Quick Start

Using Gerdu cli is basically a three-step process:

1. Define your workspace.
2. Define your charts, which contains repository and docker-compose configurations.
3. Lastly, run gerdu install and gerdu up. Gerdu will install and starts your entire workspace.

Note: if you want to use shell completion feature run gerdu config completion setup

A Workspace is a directory contains .gerdu.yaml file which looks like this:

# .gerdu.yaml

version: "1.0"

name: "awesome-workspace"

charts:
  - ./chart1.yaml
  - ./chart2.yaml
  - ./chart3.yaml

profiles:
  profile1:
    - service1
    - service1_db

Every charts represents a docker-compose file with some extera configs:

version: "1.0"

name: my-chart

# gerdu pull will use this configs to clone service
repo:
  git: git@github.com:username/my-project.git
  branch: main
  path: my-project


# Gerdu will execute stages as part of installation process
stages:
  pull:
    - echo "command1"
    - echo "command2"
    - echo "command3"
  sync:
    - echo "command1"
  setup:
    - echo "command1"

# Gerdu will map the urls to the services
mappings:
  api:
    port: 8080
    path: /hello
    service: hello-world
    host: api.gerdu.local
    cors:
      allowOrigins: *
      allowCredentials: fasle
      allowHeaders: Content-Type,Authorization
      allowMethods: GET,PUT,POST,PATCH,DELETE,OPTIONS

# docker-compose spec
compose:
  version: "3.9"
  services:
    hello-world:
      image: hello-world

Once you prepared your workspace and chart files, you can register it in Gerdu:

# add workspace to gerdu
$ gerdu ws add awesome /work/awesome-workspace

# activate workspace
$ gerdu ws switch awesome

# set dns records
$ sudo gerdu proxy dns > /etc/hosts

Now Gerdu is ready to run your applications:

$ gerdu up

CLI

Workspace commands

• $ gerdu ws list list all workspaces
• $ gerdu ws add <name> <path> add an existing workspace
• $ gerdu ws swtich <name> switch to workspace

Setup commands

• $ gerdu install install charts
• $ gerdu pull pull charts
• $ gerdu sync sync charts
• $ gerdu setup [charts...] setup charts or services

Compose commands

• $ gerdu build [services...] [-p <profiles...>] build or rebuild services
• $ gerdu up [services...] [-p <profiles...>] starts services
• $ gerdu down [services...] [-p <profiles...>] stops and removes services
• $ gerdu kill <args...> force stops services
• $ gerdu stop <args...> stops services
• $ gerdu run <args...> run a one-off command
• $ gerdu exec <args...> executes a command in a running service
• $ gerdu ps <args...> lists running containers
• $ gerdu compose <args...> docker compose alias

Proxy commands

• $ gerdu proxy up starts proxy service
• $ gerdu proxy down stops proxy services
• $ gerdu proxy ls lists all mappings
• $ gerdu proxy dns [-w] generates dns records

tool config

• $ gerdu config completion setup removes autocompletion feature
• $ gerdu config completion remove installs autocompletion feature

Contributing

Want to help develop Docker Compose? Check out our contributing documentation.

If you find an issue, please report it on the issue tracker.