Added pool size options for pg dependency

pkg/corecli/dependencies.go

@@ -8,6 +8,7 @@ import (
 	"github.com/urfave/cli/v2"
 	"io"
 	"reflect"
+	"strconv"
 	"strings"
 )
 
@@ -73,6 +74,13 @@ func loadDependencyGoPgV10(v reflect.Value, options map[string]string, c *cli.Co
 	if err != nil {
 		return nil, fmt.Errorf("error parse data source name: %v", err)
 	}
+	if option, ok := options["poolSize"]; ok {
+		poolSize, err := strconv.Atoi(option)
+		if err != nil {
+			return nil, fmt.Errorf("invalid parse poolSize option: %v", err)
+		}
+		opt.PoolSize = poolSize
+	}
 	db := pg.Connect(opt)
 	if _, ok := options["ping"]; ok {
 		if err := db.Ping(c.Context); err != nil {

pkg/corecli/dependencies_test.go

@@ -185,6 +185,40 @@ func Test_loadDependencyGoPgV10(t *testing.T) {
 			isNil: true,
 			err:   fmt.Errorf(`error connect to database: dial tcp 127.0.0.1:2345: connect: connection refused`),
 		},
+		{
+			title:   "Can load and set pool size go-pg v10 dependency correctly",
+			v:       reflect.ValueOf(struct{}{}),
+			options: map[string]string{"dsn": "dsnDb", "poolSize": "2"},
+			app: &cli.App{
+				Name: "gocore",
+				Flags: []cli.Flag{
+					&cli.StringFlag{Name: "dsnDb"},
+				},
+			},
+			args: []string{
+				"gocore",
+				"--dsnDb", dsnDb,
+			},
+			isNil: false,
+			err:   nil,
+		},
+		{
+			title: "Can't load and set pool size go-pg v10 dependency correctly",
+			v: reflect.ValueOf(struct{}{}),
+			options: map[string]string{"dsn": "dsnDb", "poolSize": "invalid"},
+			app: &cli.App{
+				Name: "gocore",
+				Flags: []cli.Flag{
+					&cli.StringFlag{Name: "dsnDb"},
+				},
+			},
+			args: []string{
+				"gocore",
+				"--dsnDb", dsnDb,
+			},
+			isNil: true,
+			err:   fmt.Errorf(`invalid parse poolSize option: strconv.Atoi: parsing "invalid": invalid syntax`),
+		},
 	}
 
 	for _, table := range tables {