chore(): docker-compose

internal/config/config.go

@@ -5,37 +5,43 @@ import (
 	"os"
 
 	"git.schreifuchs.ch/lou-taylor/accounting/internal/email"
+	"github.com/caarlos0/env/v10"
 )
 
 // PDF holds the configuration for the PDF generator.
 type PDF struct {
-	Hostname string `json:"hostname"`
+	Hostname string `json:"hostname" env:"HOSTNAME"`
 }
 
 // Gitea holds the configuration for the Gitea client.
 type Gitea struct {
-	URL   string `json:"url"`
-	Token string `json:"token"`
+	URL   string `json:"url" env:"URL"`
+	Token string `json:"token" env:"TOKEN"`
 }
 
 // Config holds the configuration for the entire application.
 type Config struct {
-	Email email.Config `json:"email"`
-	PDF   PDF          `json:"pdf"`
-	Gitea Gitea        `json:"gitea"`
+	Email email.Config `json:"email" envPrefix:"EMAIL_"`
+	PDF   PDF          `json:"pdf" envPrefix:"PDF_"`
+	Gitea Gitea        `json:"gitea" envPrefix:"GITEA_"`
 }
 
-// Load loads the configuration from a JSON file.
+// Load loads the configuration from a JSON file and environment variables.
 func Load(path string) (*Config, error) {
+	cfg := &Config{}
+
 	file, err := os.Open(path)
-	if err != nil {
+	if err == nil {
+		defer file.Close()
+		decoder := json.NewDecoder(file)
+		if err := decoder.Decode(cfg); err != nil {
+			return nil, err
+		}
+	} else if !os.IsNotExist(err) {
 		return nil, err
 	}
-	defer file.Close()
 
-	cfg := &Config{}
-	decoder := json.NewDecoder(file)
-	if err := decoder.Decode(cfg); err != nil {
+	if err := env.Parse(cfg); err != nil {
 		return nil, err
 	}