fix: check.sh — не падать до docker compose, проверка после старта

Co-authored-by: Cursor <cursoragent@cursor.com>

cmd/check/main.go

@@ -4,8 +4,10 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"net/url"
 	"os"
 	"path/filepath"
+	"strings"
 
 	"github.com/jackc/pgx/v5/pgxpool"
 
@@ -15,38 +17,30 @@ import (
 func main() {
 	loadDotEnv()
 
+	skipDB := os.Getenv("CHECK_SKIP_DB") == "1"
+	hostTools := os.Getenv("CHECK_HOST_TOOLS") != "0"
+
 	ctx := context.Background()
 	report := check.AppInfo()
-	report.Items = append(report.Items, check.ToolVersions(ctx)...)
+	if hostTools {
+		report.Items = append(report.Items, check.ToolVersions(ctx)...)
+	}
 
 	dbURL := os.Getenv("DATABASE_URL")
-	if dbURL == "" {
+	if skipDB {
 		report.Items = append(report.Items, check.Item{
 			Name:   "database",
 			Status: check.StatusWarn,
-			Detail: "DATABASE_URL не задан — запустите: go run ./cmd/install",
+			Detail: "проверка отложена — сначала выполните: docker compose up -d, затем ./check.sh --after-start",
+		})
+	} else if dbURL == "" {
+		report.Items = append(report.Items, check.Item{
+			Name:   "database",
+			Status: check.StatusWarn,
+			Detail: "DATABASE_URL не задан — запустите: ./install.sh",
 		})
 	} else {
-		pool, err := pgxpool.New(ctx, dbURL)
-		if err != nil {
-			report.Items = append(report.Items, check.Item{
-				Name:   "database",
-				Status: check.StatusError,
-				Detail: err.Error(),
-			})
-		} else {
-			defer pool.Close()
-			dbItems, err := check.Database(ctx, pool)
-			if err != nil {
-				report.Items = append(report.Items, check.Item{
-					Name:   "database",
-					Status: check.StatusError,
-					Detail: err.Error(),
-				})
-			} else {
-				report.Items = append(report.Items, dbItems...)
-			}
-		}
+		appendDBChecks(ctx, &report, dbURL)
 	}
 
 	enc := json.NewEncoder(os.Stdout)
@@ -61,6 +55,56 @@ func main() {
 	}
 }
 
+func appendDBChecks(ctx context.Context, report *check.Report, dbURL string) {
+	pool, err := pgxpool.New(ctx, dbURL)
+	if err != nil {
+		report.Items = append(report.Items, dbCheckItem(err, dbURL))
+		return
+	}
+	defer pool.Close()
+
+	dbItems, err := check.Database(ctx, pool)
+	if err != nil {
+		report.Items = append(report.Items, check.Item{
+			Name:   "database",
+			Status: dbCheckStatus(err, dbURL),
+			Detail: err.Error(),
+		})
+		return
+	}
+	report.Items = append(report.Items, dbItems...)
+}
+
+func dbCheckItem(err error, dbURL string) check.Item {
+	return check.Item{
+		Name:   "database",
+		Status: dbCheckStatus(err, dbURL),
+		Detail: err.Error(),
+	}
+}
+
+func dbCheckStatus(err error, dbURL string) check.Status {
+	if err == nil {
+		return check.StatusOK
+	}
+	msg := strings.ToLower(err.Error())
+	if isDockerInternalHost(dbURL) && (strings.Contains(msg, "no such host") ||
+		strings.Contains(msg, "name or service not known") ||
+		strings.Contains(msg, "hostname resolving")) {
+		return check.StatusWarn
+	}
+	return check.StatusError
+}
+
+func isDockerInternalHost(dbURL string) bool {
+	u, err := url.Parse(dbURL)
+	if err != nil {
+		return false
+	}
+	host := u.Hostname()
+	return host == "postgres" || host == "db" || host == "shop-postgres"
+}
+
 func printSummary(r check.Report) {
 	fmt.Printf("ShopNova %s | %s\n\n", r.AppVersion, r.GoVersion)
 	for _, it := range r.Items {