compose-go

Go reference library for parsing and loading Compose files as specified by the Compose specification.

Usage

package main

import (
	"context"
	"fmt"
	"log"

	"github.com/compose-spec/compose-go/v2/cli"
)

func main() {
	composeFilePath := "docker-compose.yml"
	projectName := "my_project"
	ctx := context.Background()

	options, err := cli.NewProjectOptions(
		[]string{composeFilePath},
		cli.WithOsEnv,
		cli.WithDotEnv,
		cli.WithName(projectName),
	)
	if err != nil {
		log.Fatal(err)
	}

	project, err := options.LoadProject(ctx)
	if err != nil {
		log.Fatal(err)
	}

	// Use the MarshalYAML method to get YAML representation
	projectYAML, err := project.MarshalYAML()
	if err != nil {
		log.Fatal(err)
	}

	fmt.Println(string(projectYAML))
}

Build the library

To build the library, you could either use the makefile

make build

or use the go build command

go build ./...

Run the tests

You can run the tests with the makefile

make test

or with the go test command

gotestsum ./...

Other helpful make commands

Run the linter

make lint

Check the license headers

make check_license

Check the compose-spec.json file is sync with the compose-spec repository

make check_compose_spec

Used by

• compose
• containerd/nerdctl
• tilt.dev
• kompose
• kurtosis
• testcontainers-go's Compose module
• compose2nix
• Defang
• score-compose
• CasaOS