Big refactorization

- reduce complexity
- use better tools to format the code
- add more tests
- and too many things to list here

We are rewriting for V3, so these commits are sometimes big and not
fully detailed. Of course, further work will be more documented.

utils/utils.go

@@ -1,6 +1,8 @@
 package utils
 
 import (
+	"bytes"
+	"fmt"
 	"log"
 	"path/filepath"
 	"strings"
@@ -114,8 +116,8 @@ func PathToName(path string) string {
 
 // EnvConfig is a struct to hold the description of an environment variable.
 type EnvConfig struct {
-	Description string
 	Service     types.ServiceConfig
+	Description string
 }
 
 // GetValuesFromLabel returns a map of values from a label.
@@ -160,3 +162,27 @@ func MapKeys(m map[string]interface{}) []string {
 	}
 	return keys
 }
+
+// Confirm asks a question and returns true if the answer is y.
+func Confirm(question string, icon ...Icon) bool {
+	if len(icon) > 0 {
+		fmt.Printf("%s %s [y/N] ", icon[0], question)
+	} else {
+		fmt.Print(question + " [y/N] ")
+	}
+	var response string
+	fmt.Scanln(&response)
+	return strings.ToLower(response) == "y"
+}
+
+// EncodeBasicYaml encodes a basic yaml from an interface.
+func EncodeBasicYaml(data any) ([]byte, error) {
+	buf := bytes.NewBuffer(nil)
+	enc := yaml.NewEncoder(buf)
+	enc.SetIndent(2)
+	err := enc.Encode(data)
+	if err != nil {
+		return nil, err
+	}
+	return buf.Bytes(), nil
+}