Initial commit

cmd/web/config.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"net/url"
+
+	"gardomatic.kleiax.de/internal/platform/environment"
+	"gardomatic.kleiax.de/internal/web"
+)
+
+func configFromEnvironment() (web.Config, error) {
+	port, err := environment.Int("GARDOMATIC_WEB_PORT", 4040)
+	if err != nil {
+		return web.Config{}, err
+	}
+	cookieSecure, err := environment.Bool("GARDOMATIC_COOKIE_SECURE", false)
+	if err != nil {
+		return web.Config{}, err
+	}
+	cfg := web.Config{Host: environment.String("GARDOMATIC_WEB_HOST", ""), Port: port, Env: environment.String("GARDOMATIC_ENV", "development"), APIBaseURL: environment.String("GARDOMATIC_API_BASE_URL", "http://localhost:4000"), SessionCookieName: environment.String("GARDOMATIC_SESSION_COOKIE_NAME", "gardomatic_session"), CookieSecure: cookieSecure}
+	var errs []error
+	if cfg.Port < 1 || cfg.Port > 65535 {
+		errs = append(errs, errors.New("GARDOMATIC_WEB_PORT must be between 1 and 65535"))
+	}
+	parsed, parseErr := url.ParseRequestURI(cfg.APIBaseURL)
+	if parseErr != nil || parsed.Scheme == "" || parsed.Host == "" {
+		errs = append(errs, fmt.Errorf("GARDOMATIC_API_BASE_URL must be an absolute HTTP URL"))
+	}
+	if cfg.Env == "production" && !cfg.CookieSecure {
+		errs = append(errs, errors.New("GARDOMATIC_COOKIE_SECURE must be true in production"))
+	}
+	return cfg, errors.Join(errs...)
+}

cmd/web/config_test.go

@@ -0,0 +1,16 @@
+package main
+
+import "testing"
+
+func TestConfigFromEnvironment(t *testing.T) {
+	t.Setenv("GARDOMATIC_WEB_HOST", "0.0.0.0")
+	t.Setenv("GARDOMATIC_WEB_PORT", "4444")
+	t.Setenv("GARDOMATIC_API_BASE_URL", "https://api.example.com")
+	cfg, err := configFromEnvironment()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if cfg.Host != "0.0.0.0" || cfg.Port != 4444 || cfg.APIBaseURL != "https://api.example.com" {
+		t.Fatalf("unexpected config: %#v", cfg)
+	}
+}

cmd/web/doc.go

@@ -0,0 +1,2 @@
+// Package main starts the Gardomatic server-rendered web application.
+package main

cmd/web/main.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"log"
+
+	"gardomatic.kleiax.de/internal/web"
+)
+
+func main() {
+	cfg, err := configFromEnvironment()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	server, err := web.New(cfg)
+	if err != nil {
+		log.Fatal(err)
+	}
+	server.Run()
+}