feat: set config path (#8)

Author: chiptus

wrapper.go

@@ -3,6 +3,8 @@ package wrapper
 import (
 	"bytes"
 	"errors"
+	"fmt"
+	"os"
 	"os/exec"
 )
 
@@ -26,17 +28,17 @@ func NewComposeWrapper(binaryPath string) (*ComposeWrapper, error) {
 }
 
 // Up create and start containers
-func (wrapper *ComposeWrapper) Up(filePath, url, projectName, envFilePath string) ([]byte, error) {
-	return wrapper.Command(newUpCommand(filePath), url, projectName, envFilePath)
+func (wrapper *ComposeWrapper) Up(filePath, url, projectName, envFilePath, configPath string) ([]byte, error) {
+	return wrapper.Command(newUpCommand(filePath), url, projectName, envFilePath, configPath)
 }
 
 // Down stop and remove containers
 func (wrapper *ComposeWrapper) Down(filePath, url, projectName string) ([]byte, error) {
-	return wrapper.Command(newDownCommand(filePath), url, projectName, "")
+	return wrapper.Command(newDownCommand(filePath), url, projectName, "", "")
 }
 
 // Command exectue a docker-compose commanåd
-func (wrapper *ComposeWrapper) Command(command composeCommand, url, projectName, envFilePath string) ([]byte, error) {
+func (wrapper *ComposeWrapper) Command(command composeCommand, url, projectName, envFilePath, configPath string) ([]byte, error) {
 	program := programPath(wrapper.binaryPath, "docker-compose")
 
 	if projectName != "" {
@@ -53,6 +55,12 @@ func (wrapper *ComposeWrapper) Command(command composeCommand, url, projectName,
 
 	var stderr bytes.Buffer
 	cmd := exec.Command(program, command.ToArgs()...)
+
+	if configPath != "" {
+		cmd.Env = os.Environ()
+		cmd.Env = append(cmd.Env, fmt.Sprintf("DOCKER_CONFIG=%s", configPath))
+	}
+
 	cmd.Stderr = &stderr
 
 	output, err := cmd.Output()