Print out config envs in reverse order

it's not perfect but we match up the env from all configs

its printed in reverse order to prioritize the earlier configs first

Author: featheredtoast

docker_compose.go

@@ -87,8 +87,7 @@ func DockerComposeService(config config.Config) ComposeService {
 }
 
 func WriteDockerCompose(configs []config.Config, dir string, bakeEnv bool) error {
-	//TODO: env config should be a merge of all env across all configs.
-	if err := WriteEnvConfig(configs[0], dir); err != nil {
+	if err := WriteEnvConfig(configs, dir); err != nil {
 		return err
 	}
 	pupsArgs := "--skip-tags=precompile,migrate,db"
@@ -141,22 +140,29 @@ func WriteDockerfile(config config.Config, dir string, pupsArgs string, bakeEnv
 	return nil
 }
 
-func WriteEnvConfig(config config.Config, dir string) error {
+func WriteEnvConfig(configs []config.Config, dir string) error {
 	file := strings.TrimRight(dir, "/") + "/.envrc"
-	if err := os.WriteFile(file, []byte(ExportEnv(config)), 0660); err != nil {
+	if err := os.WriteFile(file, []byte(ExportEnv(configs)), 0660); err != nil {
 		return errors.New("error writing export env " + file)
 	}
 	return nil
 }
 
-func ExportEnv(config config.Config) string {
+func ExportEnv(configs []config.Config) string {
 	builder := []string{}
-	for k, v := range config.Env {
-		val := strings.ReplaceAll(v, "\\", "\\\\")
-		val = strings.ReplaceAll(val, "\"", "\\\"")
-		builder = append(builder, "export "+k+"=\""+val+"\"")
+	// prioritize the first configs for env
+	slices.Reverse(configs)
+	for _, config := range configs {
+		// Sort env within a config
+		configEnv := []string{}
+		for k, v := range config.Env {
+			val := strings.ReplaceAll(v, "\\", "\\\\")
+			val = strings.ReplaceAll(val, "\"", "\\\"")
+			configEnv = append(configEnv, "export "+k+"=\""+val+"\"")
+		}
+		slices.Sort(configEnv)
+		builder = append(builder, strings.Join(configEnv, "\n"))
 	}
-	slices.Sort(builder)
 	return strings.Join(builder, "\n")
 }