Don't set default port in pkg/redis

internal/config/config.go

@@ -17,6 +17,10 @@ type Config struct {
 	Retention RetentionConfig `yaml:"retention"`
 }
 
+func (c *Config) Init() {
+	c.Redis.Port = 6380
+}
+
 // Validate checks constraints in the supplied configuration and returns an error if they are violated.
 func (c *Config) Validate() error {
 	if err := c.Database.Validate(); err != nil {

internal/config/config_test.go

@@ -31,6 +31,7 @@ redis:
 			input: miniConf,
 			output: func() *Config {
 				c := &Config{}
+				c.Init()
 				_ = defaults.Set(c)
 
 				c.Database.Host = "192.0.2.1"

pkg/config/config.go

@@ -11,6 +11,10 @@ import (
 	"os"
 )
 
+type Initer interface {
+	Init()
+}
+
 type Validator interface {
 	Validate() error
 }
@@ -28,6 +32,10 @@ func FromYAMLFile[T any, P interface {
 
 	c := P(new(T))
 
+	if initer, ok := any(c).(Initer); ok {
+		initer.Init()
+	}
+
 	if err := defaults.Set(c); err != nil {
 		return nil, errors.Wrap(err, "can't set config defaults")
 	}

pkg/redis/client.go

@@ -99,6 +99,10 @@ func NewClientFromConfig(c *Config, logger *logging.Logger) (*Client, error) {
 		options.Network = "unix"
 		options.Addr = c.Host
 	} else {
+		port := c.Port
+		if port == 0 {
+			port = 6379
+		}
 		options.Network = "tcp"
 		options.Addr = utils.JoinHostPort(c.Host, c.Port)
 	}

pkg/redis/config.go

@@ -8,7 +8,7 @@ import (
 // Config defines Config client configuration.
 type Config struct {
 	Host       string     `yaml:"host"`
-	Port       int        `yaml:"port" default:"6380"`
+	Port       int        `yaml:"port"`
 	Password   string     `yaml:"password"`
 	TlsOptions config.TLS `yaml:",inline"`
 	Options    Options    `yaml:"options"`