Set ConfigFile to parse compose files with bake

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

vendor/github.com/compose-spec/compose-go/loader/loader.go

@@ -217,16 +217,35 @@ func Load(configDetails types.ConfigDetails, options ...func(*Options)) (*types.
 
 func parseConfig(b []byte, opts *Options) (map[string]interface{}, error) {
 	if !opts.SkipInterpolation {
-		substitute, err := opts.Interpolate.Substitute(string(b), template.Mapping(opts.Interpolate.LookupValue))
+		withoutComments, err := removeYamlComments(b)
 		if err != nil {
 			return nil, err
 		}
-		b = []byte(substitute)
+
+		substituted, err := opts.Interpolate.Substitute(string(withoutComments), template.Mapping(opts.Interpolate.LookupValue))
+		if err != nil {
+			return nil, err
+		}
+		b = []byte(substituted)
 	}
 
 	return ParseYAML(b)
 }
 
+// removeYamlComments drop all comments from the yaml file, so we don't try to apply string substitutions on irrelevant places
+func removeYamlComments(b []byte) ([]byte, error) {
+	var cfg interface{}
+	err := yaml.Unmarshal(b, &cfg)
+	if err != nil {
+		return nil, err
+	}
+	b, err = yaml.Marshal(cfg)
+	if err != nil {
+		return nil, err
+	}
+	return b, nil
+}
+
 func groupXFieldsIntoExtensions(dict map[string]interface{}) map[string]interface{} {
 	extras := map[string]interface{}{}
 	for key, value := range dict {

vendor/github.com/compose-spec/compose-go/template/template.go

@@ -20,6 +20,8 @@ import (
 	"fmt"
 	"regexp"
 	"strings"
+
+	"github.com/sirupsen/logrus"
 )
 
 var delimiter = "\\$"
@@ -61,7 +63,7 @@ type Mapping func(string) (string, bool)
 // the substitution and an error.
 type SubstituteFunc func(string, Mapping) (string, bool, error)
 
-// SubstituteWith subsitute variables in the string with their values.
+// SubstituteWith substitute variables in the string with their values.
 // It accepts additional substitute function.
 func SubstituteWith(template string, mapping Mapping, pattern *regexp.Regexp, subsFuncs ...SubstituteFunc) (string, error) {
 	var err error
@@ -97,7 +99,10 @@ func SubstituteWith(template string, mapping Mapping, pattern *regexp.Regexp, su
 			return value
 		}
 
-		value, _ := mapping(substitution)
+		value, ok := mapping(substitution)
+		if !ok {
+			logrus.Warnf("The %q variable is not set. Defaulting to a blank string.", substitution)
+		}
 		return value
 	})
 

vendor/github.com/compose-spec/compose-go/types/config.go

@@ -20,7 +20,6 @@ import (
 	"encoding/json"
 
 	"github.com/mitchellh/mapstructure"
-	"github.com/sirupsen/logrus"
 )
 
 // ConfigDetails are the details about a group of ConfigFiles
@@ -34,9 +33,6 @@ type ConfigDetails struct {
 // LookupEnv provides a lookup function for environment variables
 func (cd ConfigDetails) LookupEnv(key string) (string, bool) {
 	v, ok := cd.Environment[key]
-	if !ok {
-		logrus.Warnf("The %s variable is not set. Defaulting to a blank string.", key)
-	}
 	return v, ok
 }