use some opts via environment vars

.woodpecker.yml

@@ -31,3 +31,8 @@ pipeline:
     detach: true
     commands:
       - go test -tags integration codeberg.org/codeberg/pages/integration/...
+    environment:
+      - ACME_API=https://acme.mock.directory
+      - PAGES_DOMAIN=localhost.mock.directory
+      - RAW_DOMAIN=raw.localhost.mock.directory
+      - PORT=4430

integration/main_test.go

@@ -3,6 +3,7 @@ package integration
 import (
 	"context"
 	"log"
+	"os"
 	"testing"
 	"time"
 
@@ -31,11 +32,11 @@ func startServer(ctx context.Context) error {
 	args := []string{
 		"--verbose",
 		"--acme-accept-terms", "true",
-		"--acme-api-endpoint", "https://acme.mock.directory",
-		"--pages-domain", "localhost.mock.directory",
-		"--raw-domain", "raw.localhost.mock.directory",
-		"--port", "4430",
 	}
+	setEnvIfNotSet("ACME_API", "https://acme.mock.directory")
+	setEnvIfNotSet("PAGES_DOMAIN", "localhost.mock.directory")
+	setEnvIfNotSet("RAW_DOMAIN", "raw.localhost.mock.directory")
+	setEnvIfNotSet("PORT", "4430")
 
 	app := cli.NewApp()
 	app.Name = "pages-server"
@@ -46,3 +47,9 @@ func startServer(ctx context.Context) error {
 
 	return nil
 }
+
+func setEnvIfNotSet(key, value string) {
+	if _, set := os.LookupEnv(key); !set {
+		os.Setenv(key, value)
+	}
+}